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Kordahi, Ray Z. (Ray Zahi) 1979. "Underpinning strategies for buildings with deep foundations." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/29413.
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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2004.Includes bibliographical references (leaf 54).
Nowadays, numerous underpinning methods are available to provide safe, fast and practical solutions to nearly any geotechnical problem related to the foundations of a structure. This paper discusses these techniques with an emphasis on grouting and micropiling underpinning systems. Furthermore, some practical case studies such as the current Boston Central Artery Project (Big Dig), where these techniques were adopted, are presented showing the main stages of their construction execution and their main advantages and disadvantages.
by Ray Z. Kordahi.
M.Eng.
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Bashardanesh, Mohammad. "Historic Persian buildings and structures: windwards, refrigerators and structural foundations." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.
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Architecture in life is the light of the culture in any society and closely relates with historical, political, economic and social aspects of the society. Persian architecture and building construction should be properly examined from the depths of the history of this ancient land. Persian architecture goes back to six centuries before Christ and it has over 6000 years of continuous history. Since then ever, architecture has been related to various issues, especially religious, and has developed and evolved for centuries.
Persian architecture has features that in comparison with other countries are of particular value. Properties such as good design, precise calculations, the correct form of coverage, compliance with technical and scientific issues in the building, high balconies, tall pillars and the various decorations that each of them represent the magnificent of Persian architecture.
This study assumes that architecture and building construction are the full manifestation of human culture, and focus on some of the important elements in traditional Persian architecture: windwards, traditional refrigerators and foundations.
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Al-Taie, Entidhar. "Foundations of educational buildings in Iraq : past, present and future." Licentiate thesis, Luleå tekniska universitet, Geoteknologi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-25739.
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Foundation is considered as one of the main parts of any structure such as buildings, railways, bridges, etc. The type of foundation used is highly dependent on the type and properties of soil. The design of foundations requires many factors that should be defined such as the load that the foundation is going to hold, geological conditions of the soil under the foundation, type of soil and the local building code criteria.There are number of differences in the geological and soil conditions in Iraq. As a consequence, these differences are reflected on the type of foundation to be used. Despite these differences, same materials and style of buildings are used all over Iraq. To have good information about the materials and the required design of the foundation, a comprehensive historical review was executed to highlight the progress of the materials and types of foundation that was used since the dawn of civilization up to the present (ancient, Islamic, Ottoman and British occupation till after independent). Present day situation had been analysed through a case study which illustrated the link between soil and foundation types in three different parts of Iraq (Mosul, Baghdad and Basrah). One building was analysed using STAAD. Pro software in these regions. Furthermore, the same building was analysed using local materials, which were historically used and was compared with present day materials used.It is evident that Iraqi designers and engineers require local code to define all the loads, materials and design of the foundation to be used. The use of local materials might be very effective from both engineering and economic perspectives.Godkänd; 2013; 20130514 (entalt); Tillkännagivande licentiatseminarium 2013-05-23 Nedanstående person kommer att hålla licentiatseminarium för avläggande av teknologie licentiatexamen. Namn: Entidhar Altaie Ämne: Geoteknik/Soil Mechanics and Foundation Engineering Uppsats: Foundations of Educational Buildings in Iraq: Past, Present and Future Examinator: Professor Sven Knutsson, Institutionen för samhällsbyggnad och naturresurser, Luleå tekniska universitet Diskutant: Professor Rafid Alkhaddar, School of the Built Environment, Liverpool John Moores University, Liverpool, UK Tid: Fredag den 14 juni 2013 kl 10.00 Plats: F1031, Luleå tekniska universitet
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Ding, Guoping. "Impact of deep building foundations on coastal groundwater flow systems." Click to view the E-thesis via HKUTO, 2006. http://sunzi.lib.hku.hk/hkuto/record/B3769232X.
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Ding, Guoping, and 丁國平. "Impact of deep building foundations on coastal groundwater flow systems." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B3769232X.
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Weiß, Sebastian [Verfasser]. "Integrability of Moufang foundations : a contribution to the classification of twin buildings / Sebastian Weiß." Gießen : Universitätsbibliothek, 2014. http://d-nb.info/1068825014/34.
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Ozyurt, Gokhan. "Cataloging And Statistical Evaluation Of Common Mistakes In Geotechnical Investigation Reports For Buildings On Shallow Foundations." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12615084/index.pdf.
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Information presented in site investigation reports has a strong influence in design, project costs and safety. For this reason, both the quality and the reliability of site investigation reports are important. However in our country, geotechnical engineering is relegated to second place and site investigation studies, especially parcel-basis ground investigation worksdo not receive the attention they deserve. In this study, site investigation reports, that are required for the license of design projects, are examined and the missing/incorrect site investigations, laboratory tests, geotechnical evaluations and geotechnical suggestions that occur in the reports are catalogued. Also, frequency of each mistake is statistically examined
for geotechnical engineers, recommendations and solutions are presented to help them avoid frequent problems.
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Dhorajiwala, Husein, and Agnieszka Owczarczyk. "Global stability of high-rise buildings on foundation on piles." Thesis, KTH, Bro- och stålbyggnad, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-235317.
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In Sweden as well as other countries the trend of building higher is more and more popular. The global stability of tall buildings is a very important aspect that has to be taken into account while designing. Foundation on piles, that is common in Sweden, reduces the global stability compared to foundation directly on bedrock. Using inclined piles in the foundation is inevitable for high-rise buildings, because they are essential for transferring the horizontal loads into the bedrock. The aim of this paper is to look into the influence that foundation on piles has on global stability and investigate two simple methods to asses global stability. In this thesis the influence of the stiffness of the substructure (foundation), length and inclination of the piles on the global stability were investigated. It was also looked into how does the pile center affect the rotation and thus global stability. One method that was presented was based on the equivalent stiffness. Displacement at the top of the wall is used in order to calculate the bending stiffness that is reduced due to foundation on piles and further calculate buckling load on the basis of Euler buckling. In the other method that was proposed rotation at the foundation level was taken into account so as to calculate rotational spring stiffness and later buckling load due to combined flexural and rotational buckling. The analysis was conducted on a simple two dimensional problem, namely stabilizing wall as well as a building stabilized by two towers. Three different configurations of piles were investigated for single wall as well as for the structure. The investigation showed that the position of pile center has its effect on the global stability. The closer the pile center is to the foundation on piles the better the global stability of a structure. The length of the piles plays a role in stability as well. The longer the piles are the worse the stability is. With longer piles the overall stiffness of a structure decreases and thus the global stability. The analysis showed that the foundation of piles significantly lowers the stability of high rise building. The investigated methods showed that the one based on rotation at the base gave better results compared to the method based on the equivalent bending stiffness. But to use this first method, the position of the pile center is required to be known in order to get correct results which in a complex structure is hard to estimate. In an analysis of a building stabilized by two towers it was seen that when the inclined piles that are inclined opposite to each other in a pile group and are positioned far from rotation center of a structure it increases the global safety and rotational stiffness as well. It is recommended to use such configuration of piles that the pile center is at the foundation level in order to increase global stability.I Sverige och andra länder är trenden att bygga högre alltmer populärt. Den globala stabiliteten hos höga byggnader är en viktig aspekt som måste beaktas vid byggnadens utformning. Den vanligaste grundläggningsmetoden i Sverige är grundläggning med pålar. Denna typ av grundläggning minskar den globala stabiliteten jämfört med grundläggning direkt på berggrunden. Att använda sneda pålar i grundläggningen är oundviklig för höghus, eftersom de är nödvändiga för att överföra horisontella laster till berggrunden. Syftet med detta examensarbete är att se hur grundläggning på pålar påverkar den globala stabiliteten och undersöka två enkla metoder för global stabilitet. I detta examensarbete undersöktes hur styvheten påverkar grundläggning med pålar med olika längder och lutningar, med hänseende på den globala stabiliteten. Pålcentrumets påverkan av rotation och den globala stabiliteten har även studerats. En metod som presenterades i examensarbetet är baserades på ekvivalent styvhet. Där utböjning på toppen av väggen togs för att beräkna böjstyvheten som reduceras på grund av grundläggning med pålar och ytterligare beräknades knäcklasten baserat på Eulers knäckning. I den andra metoden som föreslogs togs rotationen vid grundläggningsnivån med i beräkningen för att beräkna rotationsfjäderns styvhet och senare knäckningslasten på grund av kombinerad böjnings- och rotationsknäckning. Analysen genomfördes på en enkel tvådimensionell vägg och en tredimensionell byggnad som är stabiliserad av två torn. Tre olika konfigurationer av pålar undersöktes för enkel vägg och även för byggnaden Utredningen av examensarbetet visade att positionen av pålcentrum har en stor påverkan på den globala stabiliteten. Ju närmare pålcentrumet är till grundläggningsnivån desto bättre är den globala stabiliteten hos en konstruktion. Längden på pålarna har även en betydelse när det gäller stabiliteten. Ju längre pålarna är desto värre blir stabiliteten. Med längre pålar minskar den totala styvheten hos hela konstruktionen och därmed minskar även den globala stabiliteten. Utredningen visade även att metoden med rotation vid grundläggningsnivån gav mer noggrannare resultat än metoden för ekvivalent styvhet. Men för att kunna använda den förstnämnda metoden behöver man ha kännedom om vart pålcentrum ligger för konstruktionen och detta kan vara svårt att uppskatta. I en analys av en byggnad stabiliserad av två torn visades det att när pålarna är placerade långt från rotationscentrum av en konstruktion ökar den globala säkerheten och rotationsstyvheten. Det rekommenderas att använda sådan konfiguration av pålar att pålcentrum ligger på grundnivå för att öka den globala stabiliteten.
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Henderson, Duncan Robert Keall. "The Performance of House Foundations in the Canterbury Earthquakes." Thesis, University of Canterbury. Civil and Natural Resources Engineering, 2013. http://hdl.handle.net/10092/8741.
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The Canterbury Earthquakes of 2010-2011, in particular the 4th September 2010 Darfield earthquake and the 22nd February 2011 Christchurch earthquake, produced severe and widespread liquefaction in Christchurch and surrounding areas. The scale of the liquefaction was unprecedented, and caused extensive damage to a variety of man-made structures, including residential houses. Around 20,000 residential houses suffered serious damage as a direct result of the effects of liquefaction, and this resulted in approximately 7000 houses in the worst-hit areas being abandoned.
Despite the good performance of light timber-framed houses under the inertial loads of the earthquake, these structures could not withstand the large loads and deformations associated with liquefaction, resulting in significant damage. The key structural component of houses subjected to liquefaction effects was found to be their foundations, as these are in direct contact with the ground. The performance of house foundations directly influenced the performance of the structure as a whole. Because of this, and due to the lack of research in this area, it was decided to investigate the performance of houses and in particular their foundations when subjected to the effects of liquefaction.
The data from the inspections of approximately 500 houses conducted by a University of Canterbury summer research team following the 4th September 2010 earthquake in the worst-hit areas of Christchurch were analysed to determine the general performance of residential houses when subjected to high liquefaction loads. This was followed by the detailed inspection of around 170 houses with four different foundation types common to Christchurch and New Zealand: Concrete perimeter with short piers constructed to NZS3604, concrete slab-on-grade also to NZS3604, RibRaft slabs designed by Firth Industries and driven pile foundations. With a focus on foundations, floor levels and slopes were measured, and the damage to all areas of the house and property were recorded. Seven invasive inspections were also conducted on houses being demolished, to examine in more detail the deformation modes and the causes of damage in severely affected houses. The simplified modelling of concrete perimeter sections subjected to a variety of liquefaction-related scenarios was also performed, to examine the comparative performance of foundations built in different periods, and the loads generated under various bearing loss and lateral spreading cases.
It was found that the level of foundation damage is directly related to the level of liquefaction experienced, and that foundation damage and liquefaction severity in turn influence the performance of the superstructure. Concrete perimeter foundations were found to have performed most poorly, suffering high local floor slopes and being likely to require foundation repairs even when liquefaction was low enough that no surface ejecta was seen. This was due to their weak, flexible foundation structure, which cannot withstand liquefaction loads without deforming. The vulnerability of concrete perimeter foundations was confirmed through modelling. Slab-on-grade foundations performed better, and were unlikely to require repairs at low levels of liquefaction. Ribraft and piled foundations performed the best, with repairs unlikely up to moderate levels of liquefaction. However, all foundation types were susceptible to significant damage at higher levels of liquefaction, with maximum differential settlements of 474mm, 202mm, 182mm and 250mm found for concrete perimeter, slab-on-grade, ribraft and piled foundations respectively when subjected to significant lateral spreading, the most severe loading scenario caused by liquefaction.
It was found through the analysis of the data that the type of exterior wall cladding, either heavy or light, and the number of storeys, did not affect the performance of foundations. This was also shown through modelling for concrete perimeter foundations, and is due to the increased foundation strengths provided for heavily cladded and two-storey houses. Heavy roof claddings were found to increase the demands on foundations, worsening their performance. Pre-1930 concrete perimeter foundations were also found to be very vulnerable to damage under liquefaction loads, due to their weak and brittle construction.
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Uhlmann, Jeffrey. "Dynamic map building and localization : new theoretical foundations." Thesis, University of Oxford, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.298557.
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Hale, John P. "Building on a solid foundation : the use of bricks and mortar in house foundations in colonial New England." Virtual Press, 2003. http://liblink.bsu.edu/uhtbin/catkey/1260628.
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This study is intended to provide the archaeologist with a solid understanding of the use of bricks and mortar in colonial New England and to examine the construction of New England colonial residential structures to determine if attributes exist that would allow the development of a regional diachronic or synchronic typology for aid in dating the structures either relatively or absolutely. This paper examines the technology involved in the produc ion of bricks and lime mortar, the construction of seventeenth and eighteenth century foundations, and the social environment that influenced the use of bricks. From the information presented in the paper, the archaeologist should gain an understanding of bricks as artifacts in the New England colonial landscape in order to improve the manner in which b licks are investigated and change the way in which archaeologists view, and therefore r -,cord information about, bricks, mortar, and foundations in Colonial New England.Department of Anthropology
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Nadler, Paula F. "Building foundations the phenomenological experience of doing academic advising /." College Park, Md. : University of Maryland, 2007. http://hdl.handle.net/1903/6985.
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Thesis (Ph. D.) -- University of Maryland, College Park, 2007.Thesis research directed by: Education Policy, and Leadership. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
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Pavri, Tinaz. "Building Foundations to Settle Protracted Conflict : The Indo- Pakistani Case /." The Ohio State University, 1994. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487859879940739.
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McKelvey, D. "The performance of vibro stone column reinforced foundations in deep soft ground." Thesis, Queen's University Belfast, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.269132.
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Avellan, K. (Kari). "Limit state design for strengthening foundations of historic buildings using pretested drilled spiral piles with special reference to St. John’s Church in Tartu." Doctoral thesis, Oulun yliopisto, 2011. http://urn.fi/urn:isbn:9789514295775.
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Abstract This thesis discusses strengthening foundations of historic buildings by means of pretested, end-jacked, steel piles; pretested, end-jacked drilled spiral steel piles, as well as the geotechnical and structural design of strip foundations using ultimate limit state methods. Strengthening the foundations of historic buildings is a field of engineering where every site is more or less different from another. The variation of the substructure, foundation, and soil circumstances make every case unique. Preserving heritage buildings by preventing structural decay requires know-how and suitable strengthening methods. Drilled spiral piles and jacked piles were employed as strengthening methods for St. John’s Church of Tartu, because of the sinking and uneven settlement of the building. The strengthening work at St. John’s Church was challenging due to the risk of collapse of this historic church. Underpinning with jacked piles is a preferred method for strengthening historic foundations and where drilled spiral piles were employed, the author of this thesis developed special equipment. The strengthening method employed for the tower complies with the anastylosis principle by preserving the authenticity of the structures. Old block stones are visible upon the floating piled rafts. The empty space was left to give archaeologists and engineers a chance to study the realized work “in situ” in the future. The foundation of the tower was underpinned step by step with end-jacked piles and a concrete raft poured step by step. The weight of the tower is 5 500 tons and it rests on four pillars. Every pillar rests on its own floating piled raft. This thesis proves that by means of lower and upper bound theorems a floating, piled strip-foundation can be designed geotechnically and structurally using one method based on ultimate limit state (ULS) and serviceability limit state (SLS). The method takes the following into account as geotechnical requirements: total settlement and angular distortions; and as structural requirements; admissible plastic rotations, end moments due to displacement angle, as well as control of cracking. The chosen piling methods were suitable for St. John’s Church, and the installed piles work well in addition to the old foundations. The functionality of the strengthening techniques has been verified by test piling. Furthermore, every drilled spiral pile was preloaded twice and end-jacked for soil hardeningTiivistelmä Tämä tutkimus käsittelee historiallisten rakennusten perustusten vahvistamista esikuormitetuilla teräksisillä puristuspaaluilla ja esikuormitetuilla, loppupuristetuilla spiraaliporapaaluilla. Tutkimus sisältää myös pitkänomaisen anturaperustuksen mitoitusmenetelmän, joka huomioi sekä murtorajatilan että käyttörajatilan vaatimukset. Historiallisten rakennusten perustusten vahvistaminen on insinööritieteen osa-alue, missä jokainen työmaa on oma, ainutlaatuinen kohteensa johtuen erilaisista maaperäolosuhteista, perustuksista ja rakenteista. Rakennuksen luonteen säilyttäminen edellyttää insinööriltä monialaista kykyä ja tietoa sopivista vahvistamismenetelmistä. Spiraaliporapaaluja ja puristuspaaluja käytettiin Johanneksen kirkon (Jaani Kirik) perustusten vahvistamisessa rakennuksen epätasaisen painumisen ja sortumisvaaran vuoksi. Perustusten vahvistamista puristuspaaluilla pidetään yleisesti parhaana menetelmänä historiallisille rakennuksille. Tämän tutkimustyön tekijä suunnitteli erikoiskaluston työtä varten kehitetylle kierrepaalulle. Anastylosis periaatteen mukaisesti käytetyssä tornin vahvistamismenetelmässä säilytettiin rakenteiden autenttisuus. Vanhat kivilatomukset ovat osittain näkyvissä. Niiden välissä oleva tyhjä tila antaa arkeologeille ja insinööreille mahdollisuuden tutustua suoritettuun työhön. Tornin perustukset vahvistettiin vaiheittain paaluilla sekä valetulla betonilaatalla. Torni painaa 5 500 tonnia ja se on neljän pilarin varassa. Jokaisella pilarilla on erillinen kelluva paalutettu laattaperustus. Tässä työssä on osoitettu, että plastisuusteorian ala- ja ylärajalauseiden avulla myötäävän kitkamaan ja myötäävän paalutuksen varaan perustettu pitkänomainen anturaperustus voidaan mitoittaa geo- ja rakenneteknisesti murto- ja käyttörajatilassa samalla menetelmällä. Menetelmä sisältää geoteknisinä vaatimuksina anturan pohjapaineen, kokonaispainuman ja kulmakiertymän (= epätasaisen painumisen) määrittämisen, rakenteellisina vaatimuksina plastisoituvien kohtien riittävän muodonmuutoskyvyn, kenttä- ja tukimomenttien, epätasaisen painumisen aiheuttamien pakkomomenttien sekä halkeamatarkastelun määrittämisen. Spiraaliporapaalujen toiminnallisuus varmistettiin koepaaluilla. Maanlujittumista varten jokainen spiraaliporapaalu koestettiin kahdella esikuormituksella ja loppupuristuksilla
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Mok, Ka-ying. "Pilot study on the use of public fill in seawall foundations." Click to view the E-thesis via HKUTO, 2005. http://sunzi.lib.hku.hk/hkuto/record/B30732281.
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Accuardi, Zachary A. Campbell. "Resource use in the Chinese building sector : foundations for analyzing urban transition." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/89973.
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Thesis: S.M. in Technology and Policy, Massachusetts Institute of Technology, Engineering Systems Division, Technology and Policy Program, 2014.Cataloged from student-submitted PDF version of thesis.
Includes bibliographical references (pages 149-162).
Around the world, people are moving to cities in order to become wealthy, especially in developing countries undergoing socio-economic transition. This will dramatically change the way that society consumes resources, in terms of both materials and energy. We will need to better understand how resource use changes as development happens in order to focus efforts to reduce that resource use. China is undergoing this transition as it enters the global stage, and with global implications for resource use. The building sector in China is especially resource-intensive, fundamentally driven by the country's urbanization, and plays a prominent role in the Chinese economy, making it a good candidate for the study of how systems adopt sustainable practices. I approach this problem in two ways. The first is quantitative, using k-means statistical clustering on longitudinal resource use data from Chinese statistical yearbooks, in order to identify and compare transitions across provinces in China. In comparing the evolution of the building sector across provinces, my analysis suggests that development pathways are more distinct than discrete development stages. I identify two development pathway 'types' in China. The first is an urban path taken by Beijing, Shanghai, and Tianjin -- the three most heavily urbanized provinces. All other provinces follow a general business-as-usual path, though I also identify sub-pathways to further differentiate between the other 27 provinces. These development typologies are one means of quantitatively operationalizing the abstract notion of transition. Identifying such pathways may highlight opportunities for learning between provinces within the same path, and one could apply similar methods to other scales of analysis (e.g. urban or national). My second approach is qualitative, driven by interviews conducted primarily in Beijing with various stakeholders in the Chinese building sector. In this analysis, I discuss the particularities of the actors and processes involved in Chinese real estate development, identify opportunities for and barriers to reduced life-cycle energy use in buildings, and describe three distinctive and ongoing sustainability experiments with the potential for significant resource use reductions. This research emphasizes the need for integrated approaches to both research and practice in approaching sustainability transitions, and provides a set of complementary frameworks for their analysis.
by Zachary A. Campbell Accuardi.
S.M. in Technology and Policy
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White, James T. "Foundations of School Stakeholder's Perceptions Related to School Building Conditions and Learning." ScholarWorks, 2011. https://scholarworks.waldenu.edu/dissertations/1018.
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As school buildings continue to age, school stakeholders are increasingly concerned about the influence school facilities have on the academic achievement of students, especially in urban low income school districts. The purpose of this qualitative multiple case study was to examine school building conditions through the perceptions of 12 stakeholders including teachers, facility managers, administrators, and school board members in 3 school districts. The research question involved understanding how local school stakeholders perceived or acknowledged the relevance and relationship of school building conditions to student learning, social constructivism and aspects of organizational theory severed as the conceptual frameworks for this study. A recursive coding method and a comparative content analysis of semistructured interviews was completed. Themes that emerged included thermal comfort, technology, and symbolism. Analysis of interview responses revealed stakeholders perceived that thermal comfort and the presence of stationary technology within classrooms are of primary importance to student learning. Also, the analysis highlighted a common perception supporting the premise that the condition of school facilities represents a symbolic measure of the importance placed on student achievement by the school community. Implications for positive social change include a data-driven dialogue involving policies and practices that support providing optimum school buildings and facilities to support low-income and minority student achievement.
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Eyce, Bora. "An Investigation Of The Inertial Interaction Of Building Structures On Shallow Foundations With Simplified Soil-structure Interaction Analysis Methods." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/2/12610994/index.pdf.
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Seismic response of a structure is influenced by the inertial interaction between structure and deformable medium, on which the structure rests, due to flexibility and energy dissipation capability of the surrounding soil. The inertial interaction analyses can be performed by utilizing simplified soil-structure interaction (SSI) analyses methods. In literature, it is noted that varying soil conditions and
foundation types can be modeled by using these SSI approaches with springdashpot couples having certain stiffness and damping.
In this study, the seismic response of superstructure obtained by using simplified SSI methods is compared with those of the fixed base systems. For this purpose,
single and multi degree of freedom structural systems are modeled with both spring&ndashdashpot couple and fixed base models. Each system is analyzed for varying structural and soil stiffness conditions under the excitation of three different seismic records. Next, the total base shear acting on the structural system and internal forces of load bearing members are investigated to observe the inertial interaction and foundation uplift effects on the superstructure. It is also aimed to examine the compatibility of the simplified SSI approaches utilized in the analyses. It is concluded that the structural and soil stiffness parameters are the most influential parameters that affect seismic structural response. Structures becomemore sensitive to varying soil properties as the structural stiffness increases. On the other hand, decreasing soil stiffness also increases the sensitivity of the structure to the seismic excitation. Calculated values of total base shear and internal member forces revealed that the inertial interaction might be detrimental for the superstructure. Contrary to general belief, the fixed base approach does not always yield to the results, which are on the safe side. Considering the analysis results, it is concluded that SSI analysis is very useful for more precise and economical design for the seismic behavior.
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Tennent, Timothy C. "Building Christianity on Indian foundations : the theological legacy of Brahmabāndhav Upādhyāy (1861-1907)." Thesis, University of Edinburgh, 1998. http://hdl.handle.net/1842/30823.
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Mok, Ka-ying, and 莫家英. "Pilot study on the use of public fill in seawall foundations." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2005. http://hub.hku.hk/bib/B30732281.
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Kalenda, Lukáš. "Analýza a hodnocení rizik v návrhu zakládání staveb." Master's thesis, Vysoké učení technické v Brně. Ústav soudního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-233193.
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This diploma thesis deals with the analysis and evaluation of quality, environmental and safety risks in the design process of the designing the foundations of building. The calculation procedure is shown in the model example. Subsequently, the risk analysis according to DIN EN 31010: 2011 Risk Management - Risk Assessment Techniques is performed. The risk assessment was made by following methods: analysis of the causes and consequences (Ishikawa diagram), the risk matrix and Analysis Failure Modes and Effects (FMEA). Using these methods, the risk were identified and assessed. There are also proposed appropriate measures to reduce the risk value. Comparisons with publications with a similar theme is performed in the final summary.
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Iwamoto, Roberto Kunihiro. "Alguns aspectos dos efeitos da interação solo-estrutura em edifícios de múltiplos andares com fundação profunda." Universidade de São Paulo, 2000. http://www.teses.usp.br/teses/disponiveis/18/18134/tde-08062006-163117/.
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O objetivo do trabalho é mostrar através de um modelo numérico a importância da consideração da interação estrutura - solo na análise global da estrutura. No modelo de estrutura tridimensional utilizado é considerada a contribuição da rigidez transversal à flexão das lajes, a existência de excentricidades das vigas em relação aos pilares e a hipótese de diafragma rígido no plano horizontal de cada pavimento. Serão consideradas fundações profundas em estacas verticais submetidos à carga de compressão axial ligadas ao bloco suposto rígido, nas quais o efeito de grupo de estacas imersas no solo é calculado considerando a continuidade do solo. A análise da interação do sistema solo estrutura será feito através dos ajustes das rigidezes de fundações pelo processo iterativo até que ocorra uma certa convergência nos recalques ou nas reações. Com isso, procura-se mostrar que a análise integrada da estrutura e o solo possibilita uma melhor estimativa dos recalques diferenciais e reações nos apoios, assim como a redistribuição dos esforços nos elementos estruturais com o comportamento mais real da interdependência dos esforços entre a estrutura e o soloThe main aim of this work is to use a numerical model for soil structure interaction and the importance of their consideration in a global structural analysis. For the structure the model considers the contribution of transverse bending stiffness of slabs, the exccentricy of beams in relation to the pile, and the hypothesis of rigid diaphragms in the plane of the slabs. Primary attention is placed on vertically loaded pile under rigid pile cap in which the influence of pile groups imerse in the soil is calculated considering the soil continuity. The analysis of soil structure interaction is done in an iterative process by adjusting the stiffness of the foundation until a certain preestablished convergence of calculated settlements or load reactions are obtained. In this manner its shown that the integrated analysis of the structure and soil medium leads to better results of differential settlements and load reactions of the supports. In the same manner, this analysis procedure leads to a better estimate of the internal forces in the structural elements, showing a more realistic behaviour of interdependence betwen the strucutre and the soil medium
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Winkler, Louisa Rosemarie. "Building the Genetic, Agronomic and Economic Foundations for Expansion of Oat Cultivation in Western Washington." Thesis, Washington State University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10257011.
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Oats (Avena sativa L.) are a versatile crop with diverse genetic resources. A study of population structure in a collection of oat genotypes relatively unaffected by recent breeding activity identified an under-utilized area of genetic diversity which could be a source of novel alleles for agronomic traits and disease resistance. Association mapping in the collection generates the first molecular evidence for genetic architecture of traits including awn frequency and hull color. The history of oats in western Washington reveals an evolution away from regional self-sufficiency and towards greater integration with national and global markets. Recently, growth of interest in and demand for local and regional agriculture are fostering a more purposeful approach to regionality, and will be integral to reinvented roles for oats in western Washington. One opportunity for oats is the milling (food) oat market. To address a lack of regionally specific information on production practices and variety choice, two years of oat variety tests were carried out on organic and conventional farms in four counties. Estimated revenues based on agronomic and grain quality data suggest that milling oats are economically competitive with other small grain options. Hulless oats could be an alternative to corn and wheat for organic poultry producers seeking locally grown feeds. Three varieties of locally grown hulless oats were supplemented for corn and wheat in a feeding trial of Hy-Line Brown laying hens. The oats had no negative effects on hen health and productivity, and were economically competitive with commercially sourced organic corn and wheat. Oat variety showed no influence on feed value. Eggs from the feeding trial were used in a consumer evaluation. While there was evidence that feeding hulless oats changed the sensory properties of eggs by reducing yolk proportion, effect sizes were small. Overall, results support existing evidence that hulless oats can be fed to poultry at a moderate proportion of the diet with no negative effect on consumer acceptability of eggs. These projects rebuild a regional knowledge base for the adaptation and utilization of oats, which offer promising opportunities to diversify rotations and strengthen local food systems in western Washington.
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Hale, Kimberly D. "Building Trust: The Recipe for Success." Digital Commons @ East Tennessee State University, 2012. https://dc.etsu.edu/etsu-works/7033.
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Burke, Sarah Anne. "Building foundations for molecular electronics: growth of organic molecules on alkali halides as prototypical insulating substrates." Thesis, McGill University, 2009. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=32258.
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The epitaxy and growth of a series of organic molecules deposited on insulating surfaces were investigated by noncontact atomic force microscopy (nc-AFM). The molecules studied, C60 , 3,4,9,10-perylene tetracarboxylic dianhydride (PTCDA), 3,4,9,10-perylene tetracarboxlylic diimide (PTCDI), and copper (II) phthalocyanine (CuPc), were selected to investigate the effect of different molecular geometries, charge distributions and intermolecular interactions and as interesting candidates in molecular electronic applications. As it is known that the properties of molecules are influenced by their structural arrangements, an understanding of the interactions of molecules with substrates of interest as well as the dominant processes involved in growth are of great interest. Model insulating substrates KBr and NaCl were used for growth studies, due to the necessity of insulators in electrically isolating device regions. Dewetting processes were observed in several of these systems : C60 on KBr and NaCl, PTCDA on NaCl and PTCDI on NaCl. The specific influences of dewetting are discussed for each system, in particular the morphological impact of dewetting and the driving of dewetting by strained metastable monolayers. For C60 deposits, interesting branched structures are formed in the process of dewetting which are remarkably stable once formed, yet do not represent the equilibrium growth morphology. A determination of the large cell coincident epitaxy reveals a small, yet significant discrepancy between the observed overlayer and calculated stable adsorption sites indicating a dominance of the intermolecular interaction over the molecule–substrate interaction. For both PTCDA aL'épitaxie et la croissance d'une série de molécules organiques déposées sur surface isolantes ont été étudiées par nc-AFM. Les molécules étudiées, C60, 3,4,9,10-perylene tetracarboxylic dianhydride (PTCDA), 3,4,9,10-perylene tetracarboxylic diimide (PTCDI), et Copper (II) Phthalocyanine (CuPc), ont été choisies pour examiner l'influence des géométries moléculaires, des distribution de charge, et de différentes interactions intermoléculaires, sur l'assemblage de candidats intéressants dans des applications en électronique moléculaire. Etant donné que les agencements structurels influencent leurs propriétés moléculaires, la compréhension des interactions entre molécules et substrats donnant lieu à la formation de couches mince est intéressant de plusieurs points de vue. Des surface isolantes modèles, KBr et NaCl, ont été utilisées pour les études de croissance, en raison de l'importance de l'isolement électronique de certaines régions des dispositifs. On a observé des processus de démouillage dans quelques systèmes: C60 sur KBr et NaCl, PTCDA sur NaCl, et PTCDI sur NaCl. Les influences de ces processus sont discutées pour chaque système, avec une emphase particulière sur l'impact morphologique du démouillage et la force d'entraînement par des mono-couches déformées. Dans le cas de C60, des îlots ramifiés se forment pendant le démouillage. Ces structures sont remarquablement stables un fois formées, mais ne représentent pas la structure en équilibre. La détermination d'une épitaxie coïncidente indique une petite, mais importante, difference entre la sur-couche observée et les sites d'adsorption stable calculés. Ce
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Harley-McClaskey, Deborah K., and A. Richesin. "Building Capacity: Engaging Staff to Deliver Children’s Services Through a New Framework." Digital Commons @ East Tennessee State University, 2010. https://dc.etsu.edu/etsu-works/4073.
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Ragas, Rojas Ángel. "Kurtz, Marcus. 2013. Latin American State Building in Comparative Perspective: Social Foundations of Institutional Order Cambridge University Press." Politai, 2015. http://repositorio.pucp.edu.pe/index/handle/123456789/92647.
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Chambers, Cynthia R. "Building an Inclusive Performance Arts Community." Digital Commons @ East Tennessee State University, 2013. https://dc.etsu.edu/etsu-works/3866.
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Júnior, Osvaldo Gomes de Holanda. "Interação solo-estrutura para edifícios de concreto armado sobre fundações diretas." Universidade de São Paulo, 1998. http://www.teses.usp.br/teses/disponiveis/18/18134/tde-21122017-114906/.
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Interação solo-estrutura é o objeto de estudo deste trabalho. O principal objetivo é verificar a verdadeira importância desse fenômeno na análise estrutural de edifícios usuais em concreto armado sobre fundações diretas. Inicialmente apresenta-se um estudo sobre o comportamento do solo. Logo após são descritos os processos de dimensionamento de fundações superficiais, com base na NBR 6122 (1996). Descrevem-se em seguida os elementos barra e sapata rígida, utilizados na modelagem do sistema superestrutura-subestrutura-maciço de solos. Discute-se a modificação do elemento sapata rígida, que representa fundação e solo, para a consideração de uma camada indeslocável no interior do solo. De acordo com a teoria apresentada, dois exemplos são submetidos a duas análises, com ou sem a consideração da interação sol-estrutura, para que os resultados sejam comparados. Aplicam-se separadamente as ações verticais e horizontais. A influência duma camada indeslocável no interior do solo e os efeitos da seqüência construtiva dos edifícios também são analisados.Soil-structure interaction is the subject of this work. The foremost aim is to verify the real importance of that phenomenon on the structural analysis of usual reinforced concrete buildings on shallow foundations. At first, it is presented a study of soil behaviour. Design procedures of shallow foundations based on NBR 6122 (1996) are described afterwards. Then, the beam and rigid footing elements, used for modelling the superstructure-infrastructure-foundation soil system, are described. It is discussed the modification of the rigid footing element, which represents foundation and soil, to consider a rigid layer within soil. According to the theory above presented, two examples are subjected to two analysis, with or without the consideration of soil-structure interaction, in order to compare the results. Vertical and horizontal loads are separately applied. The influence of a rigid layer within soil and the effects of the sequence of buildings construction are also analysed.
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O'Connor, Helen M. "From unearthing values to building educational foundations : how the values of Education Swanage were influential in founding The Swanage School." Thesis, Anglia Ruskin University, 2015. http://arro.anglia.ac.uk/583933/.
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The Purbeck Review of Schools, initiated by Dorset County Council in 2008, resulted in the closure of the middle school in Swanage, leaving the town bereft of secondary education by July 2013. A community-led group, Education Swanage, founded a new school in the town, which opened in September 2013 as a free school, with a humanscale ethos. Although there was controversy about free schools at the time, there is no research to date about how personal values influence the founding of such a school. This research answers the question how did values influence the founding of The Swanage School? This inductive research was informed by literature on the conceptualization of ‘values’ and the ‘sacred’ and delimited by theoretical insights from practical theology, living theory and human-scale education. The action research strategy, set within a paradigm of praxis, addressed how values influenced action in founding the school. Semistructured interviews, an online survey and a validation group were used to discover how values influenced practice. The data revealed a variety of interpretations of the term ‘values’, which were most commonly alluded to as being central in guiding and informing everyday interaction in the world and relating to how humans respond to others whilst also being a reflection of personal identity. The research identified areas of practice where the interplay of intrinsic and extrinsic values was influential when operating in contradiction and congruence to affect change. Analysis of the findings enabled conclusions and propositions to be developed, which focused on how values influenced the process of moving from contradiction to congruence in order to enact change. Values were a significant influence in the founding of The Swanage School. When values were contradicted they acted as standards of judgement and formed the basis of conversations which led to problems being solved and decisions being made. Concepts from the wider literature and the field of practical theology provided insight into how values can be defined and how their influence on action can be interpreted as an encounter with the sacred. The conclusion of this study and its contribution to knowledge is the explanation of how values influenced the founding of The Swanage School in the form of a living educational theory.
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Chambers, Cynthia R., and K. Buttolf. "Building Skills, Strengths, and Interests through Performing Arts." Digital Commons @ East Tennessee State University, 2013. https://dc.etsu.edu/etsu-works/3889.
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Chambers, Cynthia R. "Building Inclusive, Community-Based Book Clubs." Digital Commons @ East Tennessee State University, 2015. https://dc.etsu.edu/etsu-works/3861.
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Bär, Hans-Christoph. "Chronologisch-heilsgeschichtlicher Bibelunterricht unter den Karen im Bezirk Omkoi (Nordthailand) anhand von McIlwains Programm Building on firm foundations eine biblisch-theologische Untersuchung /." Theological Research Exchange Network (TREN), 1996. http://www.tren.com.
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Chambers, Cynthia R. "Building the Skills of Future Educators through Community-Based Service Learning." Digital Commons @ East Tennessee State University, 2014. https://dc.etsu.edu/etsu-works/3863.
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Chambers, Cynthia R., and L. E. Swank. "Building Leaders in the Disability Field through Inter-Professional Training." Digital Commons @ East Tennessee State University, 2018. https://dc.etsu.edu/etsu-works/3856.
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Fox, James J., and M. A. Conroy. "Historical, Contemporary and Future Issues in Research in Behavior Disorders: The Role of Single Subject Research in Building a Science and Practice." Digital Commons @ East Tennessee State University, 2015. https://dc.etsu.edu/etsu-works/142.
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Behavior disorders has varied conceptual and methodological roots. Effective answers to working with students with EBD require pragmatic solutions. One of the most productive approaches has been the behavioral model and single subject methodology. Using research on EBD preschoolers as a focus, we review methodological history, exemplary research findings, and critical issues.
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Bose, Saptak. "An integrated approach encompassing point cloud manipulation and 3D modeling for HBIM establishment: a case of study." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.
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In the case of Cultural Heritage buildings, the need for an effective, exhaustive, efficient method to replicate its state of being in an interactive, three-dimensional environment is today, of paramount importance, both from an engineering as well as a historical point of view. Modern geomatics entails the usage of Terrestrial Laser Scanners (TLS) and photogrammetric modelling from Structure-from-Motion (SfM) techniques to initiate this modelling operation. To realize its eventual existence, the novel Historic Building Information Modelling (HBIM) technique is implemented. A prototype library of parametric objects, based on historic architectural data, HBIM allows the generation of an all-encompassing, three-dimensional model which possesses an extensive array of information pertaining to the structure at hand. This information, be it geometric, architectural, or even structural, can then be used to realize reinforcement requirements, rehabilitation needs, stage of depreciation, method of initial construction, material makeup, historic alterations, etc. In this paper, the study of the San Michele in Acerboli’s church, located in Santarcangelo di Romagna, Italy, is considered. A HBIM model is prepared and its accuracy analyzed. The final model serves as an information repository for the aforementioned Church, able to geometrically define its finest characteristics.
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Hitt, Sara Beth, Charles L. Wood, and Angela I. Preston. "Positive Connections: Building Relationships Between Teachers and At-risk High School Students." Digital Commons @ East Tennessee State University, 2016. https://dc.etsu.edu/etsu-works/4061.
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Presenters will share Positive Connections, a school-wide intervention that addresses educational outcomes of secondary students at risk for school failure by (a) providing a list of at-risk students, (b) prompting staff and student interaction, (c)helping to create support teams, and (d) providing opportunities for early intervention and dropout prevention.
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Childre, A. L., Cynthia R. Chambers, and N. Clark. "True Directions IEP Planning: Building Partnerships with Diverse Families and Promoting Meaningful Life Outcome." Digital Commons @ East Tennessee State University, 2008. https://dc.etsu.edu/etsu-works/3898.
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Daly, Marwa El. "Challenges and potentials of channeling local philanthropy towards development and aocial justice and the role of waqf (Islamic and Arab-civic endowments) in building community foundations." Doctoral thesis, Humboldt-Universität zu Berlin, Philosophische Fakultät III, 2012. http://dx.doi.org/10.18452/16511.
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Diese Arbeit bietet eine solide theoretische Grundlage zu Philanthropie und religiös motivierten Spendenaktivitäten und deren Einfluss auf Wohltätigkeitstrends, Entwicklungszusammenarbeit und einer auf dem Gedanken der sozialen Gerechtigkeit beruhenden Philanthropie. Untersucht werden dafür die Strukturen religiös motivierte Spenden, für die in der islamischen Tradition die Begriffe „zakat“, „Waqf“ oder im Plural auch „awqaf-“ oder „Sadaqa“ verwendet werden, der christliche Begriff dafür lautet „tithes“ oder „ushour“. Aufbauend auf diesem theoretischen Rahmenwerk analysiert die qualitative und quantitative Feldstudie auf nationaler Ebene, wie die ägyptische Öffentlichkeit Philanthropie, soziale Gerechtigkeit, Menschenrechte, Spenden, Freiwilligenarbeit und andere Konzepte des zivilgesellschaftlichen Engagements wahrnimmt. Um eine umfassende und repräsentative Datengrundlage zu erhalten, wurden 2000 Haushalte, 200 zivilgesellschaftliche Organisationen erfasst, sowie Spender, Empfänger, religiöse Wohltäter und andere Akteure interviewt. Die so gewonnen Erkenntnisse lassen aussagekräftige Aufschlüsse über philanthropische Trends zu. Erstmals wird so auch eine finanzielle Einschätzung und Bewertung der Aktivitäten im lokalen Wohltätigkeitsbereich möglich, die sich auf mehr als eine Billion US-Dollar beziffern lassen. Die Erhebung weist nach, dass gemessen an den Pro-Kopf-Aufwendungen die privaten Spendenaktivitäten weitaus wichtiger sind als auswärtige wirtschaftliche Hilfe für Ägypten. Das wiederum lässt Rückschlüsse zu, welche Bedeutung lokale Wohltätigkeit erlangen kann, wenn sie richtig gesteuert wird und nicht wie bislang oft im Teufelskreis von ad-hoc-Spenden oder Hilfen von Privatperson an Privatperson gefangen ist. Die Studie stellt außerdem eine Verbindung her zwischen lokalen Wohltätigkeits-Mechanismen, die meist auf religiösen und kulturellen Werten beruhen, und modernen Strukturen, wie etwa Gemeinde-Stiftungen oder Gemeinde-„waqf“, innerhalb derer die Spenden eine nachhaltige Veränderung bewirken können. Daher bietet diese Arbeit also eine umfassende wissenschaftliche Grundlage, die nicht nur ein besseres Verständnis, sondern auch den nachhaltiger Aus- und Aufbau lokaler Wohltätigkeitsstrukturen in Ägypten ermöglicht. Zentral ist dabei vor allem die Rolle lokaler, individueller Spenden, die beispielsweise für Stiftungen auf der Gemeindeebene eingesetzt, wesentlich zu einer nachhaltigen Entwicklung beitragen könnten – und das nicht nur in Ägypten, sondern in der gesamten arabischen Region. Als konkretes Ergebnis dieser Arbeit, wurde ein innovatives Modell entwickelt, dass neben den wissenschaftlichen Daten das Konzept der „waqf“ berücksichtigt. Der Wissenschaftlerin und einem engagierten Vorstand ist es auf dieser Grundlage gelungen, die Waqfeyat al Maadi Community Foundation (WMCF) zu gründen, die nicht nur ein Modell für eine Bürgerstiftung ist, sondern auch das tradierte Konzept der „waqf“ als praktikable und verbürgte Wohlstätigkeitsstruktur sinnvoll weiterentwickelt.This work provides a solid theoretical base on philanthropy, religious giving (Islamic zakat, ‘ushour, Waqf -plural: awqaf-, Sadaqa and Christian tithes or ‘ushour), and their implications on giving trends, development work, social justice philanthropy. The field study (quantitative and qualitative) that supports the theoretical framework reflects at a national level the Egyptian public’s perceptions on philanthropy, social justice, human rights, giving and volunteering and other concepts that determine the peoples’ civic engagement. The statistics cover 2000 households, 200 Civil Society Organizations distributed all over Egypt and interviews donors, recipients, religious people and other stakeholders. The numbers reflect philanthropic trends and for the first time provide a monetary estimate of local philanthropy of over USD 1 Billion annually. The survey proves that the per capita share of philanthropy outweighs the per capita share of foreign economic assistance to Egypt, which implies the significance of local giving if properly channeled, and not as it is actually consumed in the vicious circle of ad-hoc, person to person charity. In addition, the study relates local giving mechanisms derived from religion and culture to modern actual structures, like community foundations or community waqf that could bring about sustainable change in the communities. In sum, the work provides a comprehensive scientific base to help understand- and build on local philanthropy in Egypt. It explores the role that local individual giving could play in achieving sustainable development and building a new wave of community foundations not only in Egypt but in the Arab region at large. As a tangible result of this thesis, an innovative model that revives the concept of waqf and builds on the study’s results was created by the researcher and a dedicated board of trustees who succeeded in establishing Waqfeyat al Maadi Community Foundation (WMCF) that not only introduces the community foundation model to Egypt, but revives and modernizes the waqf as a practical authentic philanthropic structure.
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Wallis, Joanne Elizabeth. "Laying strong foundations : does the level of public participation involved in constitution-making play a role in state-building? Case studies of Timor-Leste and Bougainville." Thesis, University of Cambridge, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.610442.
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Matějíčková, Veronika. "Penzion pro seniory s pečovatelskou službou." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226378.
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The designed pension for elderly with care servise is situated in Měřín locality. It is the a bricked two-floor object with no cellars, made of POROTHERM system. The base zones are made of the plain concrete. Roof construction is solved by one-shell roof. The dimensions of the building are 41,35 x 33,15 meters.
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Tomlinson, Trevor L. "Destination building a foundation for mass transit /." This title; PDF viewer required. Home page for entire collection, 2010. http://archives.udmercy.edu:8080/dspace/handle/10429/9.
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Alhajeri, Mashael Abdulaziz. "Post-construction liabilities for latent defects in building and construction contracts : the theoretical foundations and the allocation of risk (a comparative study in Kuwaiti, French, and English Law)." Thesis, University of Essex, 2004. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.534372.
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Pratt, Quincy. "Material quantities of foundation systems in building structures." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/104234.
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Thesis: M. Eng., Massachusetts Institute of Technology, Department of Civil and Environmental Engineering, 2016.Cataloged from PDF version of thesis.
Includes bibliographical references (page 41).
There are three major areas in which buildings consume energy: (1) energy consumption from operational processes, such as heating and electricity, (2) energy from building material production and supply, and (3) energy from design and construction processes. In recent years, improved operational energy efficiency has shifted the framework for quantifying a building's energy consumption to a total life-cycle approach, which includes energy consumed in the design and construction phases, also known as the embodied energy. Researchers and industry professionals are in the early stages of developing methods and metrics to quantify embodied energy of buildings, particularly focused on building superstructure. To date, no extensive studies have been performed on the material quantities of foundation systems in building structures or their environmental impact. This thesis answers the key question: "How much do foundation systems contribute to the overall material quantities of buildings, and do foundation systems significantly contribute to the overall embodied energy?" Two methods are used to address these questions. First, an analysis was performed on a survey of building materials using a database of embodied energy recently developed at MIT. The database contains information on material quantities of foundation systems from 200 actual buildings. Second, a case study was analyzed in an attempt to evaluate gaps in the database. Ultimately this thesis is intended to provide preliminary benchmarks for material quantities and embodied energy of foundation systems in buildings. The findings in this study show that foundation systems contribute approximately 25% to a building's total weight and contribute nearly the same percent to the building's overall embodied energy. In addition it provides architects, engineers, contractors, and building owners with information related to the sustainability of building structures.
by Quincy Pratt.
M. Eng.
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Stoessner, Jennifer Kathleen. "Building American Puppetry on the Jim Henson Foundation." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1211816560.
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Svoboda, Tomáš. "Polyfunkční dům." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240081.
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This is a detached multifunctional building in the construction of commercial and residential buildings. The building is located in České Budějovice. Multifunctional building has five floors, one underground floor and a partial basement. The building is covered single-surface vegetation and double skin roof rack. On the first floor is a multifunctional building with reception vestibule, hall of which are accessible to all businesses and also the staircase space. The first floor is also a cafe, spatially separated from the multifunctional building. The café includes restrooms and stairs to get to the hinterland own cafe, where there is room for staff, toilet and are relevant warehouses drinks and other amenities. On the second floor there is a fitness center with all facilities and sanitary facilities. The gym also includes a reception and a health food store. In the third to fifth floor are residential units. A total of 5 apartments, where 2 and 3 flats are always identical. The building is based on foundation strips of plain concrete and masonry made of POROTHERM building system with a contact system of the company ISOVER. The project has been prepared complete documentation of new multifunctional building at the level of documentation for construction. Design of the building emphasizes the static and layout, fire safety, energy savings and safety in use. Drawing documentation was realized in ArchiCAD.
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Barbaranelli, Andreas, and Andreas Wallin. "Seismic Analysis of Norra Tornen : A Comparison Based on the Requirements in Eurocode 8." Thesis, KTH, Bro- och stålbyggnad, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-253823.
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In Sweden, buildings are not designed to withstand earthquakes due to the rarity of an earthquake event and its consequential damage. However, the aim of this thesis was to study the seismic performance of some of the highest buildings in Stockholm, called Innovationen and Helix. The purpose of the study was to get an understanding of earthquake engineering for high rise buildings and to compare the behavior of the two towers during seismic action. In order to compare the two buildings and get an understanding of what will affect the seismic performance, Eurocode 8 was used. The Eurocode standard lists several properties that impacts the seismic resistance of buildings. One of the goals was to study how those factors influence the behavior of Innovationen and Helix and finally compare the results to each other in order to draw valid conclusions. The method to perform the analysis was a modal analysis using a finite element analysis program. The program used contains predefined response spectra’s based on Eurocode 8 which is used to define the seismic load acting on the structures. The extracted results are listed below: - Frequencies and mode shapes - Modal masses - Level and total masses - Accelerations - Displacements The conclusion of the study was that Innovationen and Helix have similar properties and some points from Eurocode 8 were better fulfilled by Helix and others by Innovationen: - Uniformity, symmetry and redundancy (Innovationen fulfills the requirements better than Helix) - Bi-directional resistance and stiffness (Innovationen fulfills the requirements better than Helix) - Torsional resistance and stiffness (Helix fulfills the requirements better than Innovationen) - Adequate foundation (Helix fulfills the requirements better than Innovationen) Of the two parameters studied, the height was the one with the most influence on seismic resistance.
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Farias, Rômulo da Silva. "Análise estrutural de edifícios de paredes de concreto com a incorporação da interação solo-estrutura e das ações evolutivas." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/18/18134/tde-19022019-104219/.
Full textAbstract:
As análises estruturais têm como procedimento usual considerar apoios rígidos nas fundações e aplicar as ações de maneira instantânea. Essas duas simplificações podem induzir a uma configuração de esforços não condizentes com a estrutura real. Este trabalho investiga a interação solo-estrutura (ISE) em edifícios de paredes de concreto apoiados em fundação do tipo radier. O presente estudo considera a sequência construtiva da edificação, denominada por ações evolutivas, objetivando obter resultados mais condizentes com a estrutura real. A investigação é realizada mediante simulação numérica utilizando o Método dos Elementos Finitos (MEF) por meio do pacote computacional DIANA®. A tipologia do modelo numérico é baseada em um conjunto de edifícios já construídos. São utilizados dados de monitoramento de recalques geotécnicos ao longo da construção dos edifícios para aferir as propriedades constitutivas do solo no modelo numérico. São analisados os efeitos da deformação da fundação na redistribuição de esforços e tensões das paredes da superestrutura, a contribuição da rigidez da estrutura na uniformização dos recalques e demais parâmetros que envolvem a ISE na estrutura e na fundação. A NBR-16055 (ABNT, 2012) obriga que seja incorporado a interação solo-estrutura nas análises de edifícios de paredes de concreto acima de 5 pavimentos. O presente estudo indica que os efeitos da ISE na estrutura têm uma maior dependência da rigidez relativa estrutura-solo. Deste modo, é proposto um coeficiente específico de rigidez relativa estrutura-solo para edifícios de paredes de concreto. São realizados estudos paramétricos que indicam que o coeficiente proposto pode ser utilizado como um parâmetro para análise da ISE em edifícios de paredes de concreto.The usual procedure in structural analysis neglects the deformation of the foundations and the load sequence of the building. These simplifications can provide inaccurate results. This work deals with the structural analysis of concrete wall buildings settled on raft foundations taking into account the soil-structure interaction (SSI) and the progressive vertical loading. The numerical simulation was performed using the finite element method (FEM) in the DIANA® software. The numerical model is based on a set of buildings already constructed. During the construction process, the settlement of many points were measured and are used here to evaluate the constitutive soil parameters to feed the numerical models. The obtained results show a redistribution of the walls internal forces and the loss of uniformity of their vertical normal stress. The progressive vertical loading during the construction reduces the influences of the soil-structure interaction. The Brazilian code for concrete wall buildings (NBR-16055, 2012) requires that the soil/structure interaction be incorporated into the structural model in the buildings with more than 5 stories. A specific relative stiffness structural-soil factor is proposed for concrete wall buildings. The present study indicates that the SSI results are not related to the number of floors of the building. The SII have a larger dependence on soil stiffness and relative stiffness structure-soil.