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Thematische Bibliographien / Structural weight / Dissertationen

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Dissertationen zum Thema „Structural weight“

Autor: Grafiati

Veröffentlicht am 4. Juni 2021

Zuletzt aktualisiert am 27. Juli 2025

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1

Kuzjatkin, Juri. "Structural Weight Optimisation of a Carbon Fibre Ferry." Thesis, KTH, Marina system, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-163696.

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The Damen Ferry department is developing a concept of fast ferries (DFFe) built of composite materials. Based on the previous experience in composite shipbuilding of Damen modular waterbuses (DWBu) and Water Taxies the Ferry department tries to utilize the existing experience and use it in production of larger vessels that are capable to develop higher speeds and carry more passengers. The key objective is the weight saving - that results in a lighter and therefore more sustainable craft that consumes less fuel and is capable to carry more payload. The expectations are at least 30 per cent of

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2

Eustace, Paul Alan. "Structural mass of innovative concept aircraft." Thesis, Loughborough University, 2001. https://dspace.lboro.ac.uk/2134/7361.

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3

Qin, Jianfeng. "Predicting Flexible Pavement Structural Response Using Falling Weight Deflectometer Deflections." Ohio University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1275612839.

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4

Griffiths, John Robert. "Structural studies using ion mobility spectrometry." Thesis, Nottingham Trent University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366069.

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5

Nair, Arun Unnikrishnan. "Evolutionary numerical methods applied to minimum weight structural design and cardiac mechanics /." View online ; access limited to URI, 2005. http://0-wwwlib.umi.com.helin.uri.edu/dissertations/dlnow/3188843.

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6

Culpepper, Steven Drew. "Structural considerations for aircraft payload modification-P-3H zero fuel weight increase." Thesis, Monterey, California. Naval Postgraduate School, 1991. http://hdl.handle.net/10945/28567.

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7

Kaufman, Matthew Douglas. "Variable-Complexity Response Surface Approximations For Wing Structural Weight in HSCT Design." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/36566.

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A procedure for generating and using a polynomial approximation to wing bending material weight of a High Speed Civil Transport (HSCT) is presented. Response surface methodology is used to fit a quadratic polynomial to data gathered from a series of structural optimizations. Several techniques are employed in order to minimize the number of required structural optimizations and to maintain accuracy. First, another weight function based on statistical data is used to identify a suitable model function for the response surface. In a similar manner, geometric and loading parameters that are likel

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8

Papila, Melih. "Accuracy of response surface approximations for weight equations based on structural optimization." [Gainesville, Fla.] : University of Florida, 2001. http://purl.fcla.edu/fcla/etd/UFE0000339.

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Thesis (Ph. D.)--University of Florida, 2001.<br>Title from title page of source document. Document formatted into pages; contains xiv, 177 p.; also contains graphics. Includes vita. Includes bibliographical references.

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9

Lee, Yong-Joon. "Structure-property behavior of novel high performance thermoplastic and thermoset structural adhesives and composite matrix resins." Diss., This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-06062008-162715/.

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10

Kizilkan, Melisa. "Investigating The Effect Of Column Orientations On Minimum Weight Design Of Steel Frames." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/3/12611431/index.pdf.

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Steel has become widespread and now it can be accepted as the candidate of being main material for the structural systems with its excellent properties. Its high quality, durability, stability, low maintenance costs and opportunity of fast construction are the advantages of steel. The correct use of the material is important for steel&rsquo<br>s bright prospects. The need for weight optimization becomes important at this point. Available sources are used economically through optimization. Optimization brings material savings and at last economy. Optimization can be achieved with different ways

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11

Laughlin, Paul Jonathan. "The effect of uniaxial orientation upon the structural properties of polvaniline films." Thesis, Durham University, 1996. http://etheses.dur.ac.uk/5237/.

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The effects of elongation upon the structural and electronic properties of the conducting polymer polyaniline have been investigated. In particular, the properties of high molecular weight (ca. 150 000 Daltons) polyaniline have been examined, and the effects of increased molecular weight assessed. A method has been found to elongate the emeraldine base (EB) form up to 700% (l/l(_o)=8). This induces partial molecular alignment in the polymer which, upon doping, exhibits electrical conductivity of up to 700 Scm(_-1) and electrical anisotropy of almost 4.The mechanical properties of high molecula

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12

Sheble, Angela T. "Correlates of weight in adolescents : a path analysis." [Tampa, Fla] : University of South Florida, 2006. http://purl.fcla.edu/usf/dc/et/SFE0001743.

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13

Liu, Hongfen. "A structural design comparison of metallic and composite aircraft pressure retaining doors." Thesis, Cranfield University, 2012. http://dspace.lib.cranfield.ac.uk/handle/1826/7308.

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The pressure retaining door is obviously a sensible part of an aircraft, and the design criteria is much more critical than for the fuselage, so a problem caused by this critical criteria is the heavy weight of the door structure because it should be strong enough to withstand loads and stiff enough to meet the sealing requirements. In spite of the pressure retaining door being so important, it is difficult to find design references. So, in this thesis, the pressure retaining door is investigated first, and then a typical structure of a type A door is selected as the study case using both meta

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14

Linzell, Daniel Gattner. "Studies of a full-scale horizontally curved steel I-girder bridge system under self-weight." Diss., Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/18342.

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15

Wang, Lyang Suan. "Automating Parametric Redesign of Structural Thin-Walled Frames Based On Topology Optimized Structure." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu156618342438725.

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16

Vecchietti, D. G. "Low Molecular Weight Heparins : in depth structural characterization to understand their different biological properties." Doctoral thesis, Università degli Studi di Milano, 2008. http://hdl.handle.net/2434/59669.

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Heparin is a linear, heterogeneous, highly sulfated polysaccharide belonging to the family of glycosaminoglycans, endowed with anticoagulant and antithrombotic properties. Its linear chains are made up of 15-200 disaccharide units of N-sulfated or N-acetylated D-glucosamine linked to hexuronic (glucuronic or iduronic) acid. Low molecular weight heparins (LMWHs), developed to circumvent some unwanted side effect of unfractionated heparins (UFH), are obtained from UFH by diverse chemical and enzymatic depolymerisation processes. Fragments generated by cleavage of heparin may therefore structur

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17

Zargarzadeh, Payam. "Structural integrity of Carbon Dioxide transportation infrastructures." Thesis, Cranfield University, 2013. http://dspace.lib.cranfield.ac.uk/handle/1826/8059.

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Carbon Capture and Storage (CCS) is recognised as having a significant role to play in tackling climate change and reducing carbon dioxide (CO2) emissions. In CCS schemes, CO2 is captured from anthropogenic sources, and transported to suitable sites either for EOR (Enhanced Oil Recovery) or storage. The transport of such huge amount of CO2 causes new challenges. The main concern is in the difference between natural gas and CO2 transportation pipelines. CO2 phase behaviour during decompression, existence of different impurities and very high operating pressure are some of the new challenges for

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Alcocer, Bonifaz Joaquin. "Design of High Performance Flanges and its Influence on Manufacturing Costs, Structural Performance and Weight." Thesis, KTH, Maskinkonstruktion (Inst.), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-248024.

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This project attempts to research the manufacturing cost, with an emphasis on machining, of high performance flanges for Turbine Rear Structure (TRS) applications, as well as the tradeoffs with structural performance and weight. A combination of traditional cost modelling techniques from the literature, as well as, the non-conventional manufacturing complexity index, as cost indicator are implemented. A multidisciplinary study is carried out with the aid of ANSYS Workbench in the form of computer simulated experiments to investigate tradeoffs in flanges. It is concluded that multidisciplinary

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19

Triantafillou, Thanasis C. (Thanasis Christos). "Failure mode maps and minimum weight design for structural sandwich beams with rigid foam cores." Thesis, Massachusetts Institute of Technology, 1987. http://hdl.handle.net/1721.1/14944.

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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil Engineering, 1987.<br>MICROFICHE COPY AVAILABLE IN ARCHIVES AND ENGINEERING.<br>Bibliography: leaves 69-71.<br>by Thanasis C. Triantafillou.<br>M.S.

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20

Stanford, Jevetta. "Ecological Influences on Weight Status in Urban African-American Adolescent Females: A Structural Equation Analysis." UNF Digital Commons, 2012. http://digitalcommons.unf.edu/etd/356.

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The present study employed a quantitative, non-experimental, multivariate correlational research design to test a hypothesized model examining associative paths of influence between ecological factors and weight status of urban, African-American adolescent females. Anthropometric and self-report survey data of 182 urban, African- American adolescent females were collected during after-school programs, health and physical education classes, and community events in an urban area in northeast Florida. Descriptive analyses were conducted to characterize the study participants based upon their age,

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21

Hindié, Valérie. "Biochemical and structural studies of the allosteric activation of PDK1 by small molecular weight compounds." Paris 6, 2008. http://www.theses.fr/2008PA066602.

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La phosphorylation des protéines est une voie essentielle de transduction de signaux intracellulaires. La phosphorylation peut induire des changements conformationnels de la protéine cible et réguler son activité. Les protéines kinases, qui catalysent ces réactions, jouent donc un rôle crucial dans la régulation de fonctions cellulaires et sont des cibles majeures pour le traitement de maladies, comme des cancers, des troubles neurologiques et diabètes. Nous avons étudié la régulation de Ser/Thr kinases de la famille AGC par la kinase PDK1, qui active un grand nombre de kinases AGC par phospho

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22

Williamson, Conner F. F. "SEISMIC PERFORMANCE OF SYMMETRIC STEEL MOMENT FRAMES WITH RANDOM REACTIVE WEIGHT DISTRIBUTIONS." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/890.

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When a structure undergoes seismic excitation, the intensities and spatial distributions of the reactive weights on the structure may not be the same as those assumed in original design. Such a difference is inevitable due to many facts with the random nature (e.g., redistribution of live load), resulting in accidental eccentricity and consequently torsional response in the system. The added torsion can cause excessive deformation and premature failure of the lateral force resisting system and its detrimental effect is typically accounted for in most building design codes with an arbitrarily s

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23

Kröller, Katja, and Petra Warschburger. "Maternal feeding strategies and child's food intake : considering weight and demographic influences using structural equation modeling." Universität Potsdam, 2009. http://opus.kobv.de/ubp/volltexte/2010/4502/.

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Background: Research concerning child's food intake have considered various influencing factors, for example parental feeding strategies, demographic and weight factors. At this time, however, there are few findings that explore these factors simultaneously. Accordingly, the aim of this study was to test a structural equation model regarding the associations between maternal feeding strategies and child's food intake. Methods: 556 mothers and their children between 1 and 10 years of age participated in this crosssectional study. Besides socio-demographic and weight data, the mothers were a

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24

Laughlin, Trevor William. "A parametric and physics-based approach to structural weight estimation of the hybrid wing body aircraft." Thesis, Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/45829.

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Estimating the structural weight of a Hybrid Wing Body (HWB) aircraft during conceptual design has proven to be a significant challenge due to its unconventional configuration. Aircraft structural weight estimation is critical during the early phases of design because inaccurate estimations could result in costly design changes or jeopardize the mission requirements and thus degrade the concept's overall viability. The tools and methods typically employed for this task are inadequate since they are derived from historical data generated by decades of tube-and-wing style construction. In additi

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25

Okubo, Yasushi. "Evaluation of the Structural and Tribological Performance of Ultrahigh Molecular Weight Polyethylene Blended with Vitamin E." 京都大学 (Kyoto University), 2010. http://hdl.handle.net/2433/123339.

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26

Oehlhof, Marissa Elena Wagner. "Self-Objectification among Overweight and Obese Women: An Application of Structural Equation Modeling." Bowling Green State University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1320698865.

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27

Russ, Christine Runyan II. "Towards an Explanation of Overeating Patterns Among Normal Weight College Women: Development and Validation of a Structural Equation Model." Diss., Virginia Tech, 1998. http://hdl.handle.net/10919/30482.

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Although research describing relationships between psychosocial factors and various eating patterns is growing, a model which explains the mechanisms through which these factors may operate is lacking. A model to explain overeating patterns among normal weight college females was developed and tested. The model contained the following variables: global adjustment, eating and weight cognitions, emotional eating, and self-efficacy. Three hundred ninety-one participants completed the following self-report indices: the Questionnaire on Eating and Weight Pat

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28

Balabanov, Vladimir Olegovich. "Development of Approximations for HSCT Wing Bending Material Weight using Response Surface Methodology." Diss., Virginia Tech, 1997. http://hdl.handle.net/10919/30730.

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A procedure for generating a customized weight function for wing bending material weight of a High Speed Civil Transport (HSCT) is described. The weight function is based on HSCT configuration parameters. A response surface methodology is used to fit a quadratic polynomial to data gathered from a large number of structural optimizations. To reduce the time of performing a large number of structural optimizations, coarse-grained parallelization with a master-slave processor assignment on an Intel Paragon computer is used. The results of the structural optimization are noisy. Noise reduction

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29

Andersson, Ricky. "Concept study for cost and weight reduction of a barge container sized module." Thesis, KTH, Lättkonstruktioner, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-234842.

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The intention of this thesis is to develop, evaluate new concepts and look over the current design for a container sized barge module. By request of Group Ocean, a cost and weight reduction is the main improvement criteria along with keeping the strength of the module.Five concepts are developed, analyzed and discussed with the supervisor at Group Ocean, where three are decided to be presented here. The other two are left out, since they are considered way too expensive without giving a satisfying result. The three concepts that are developed throughout this thesis are; changing to high streng

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Pine, T. "Weight reduction in automotive structural components : an investigation into the torsional properties of steel box sections and T-joints." Thesis, Swansea University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.638535.

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Weight reduction of the automotive structure can be enhanced by using continuous joining techniques as a means of assembly. Continuous joints increase structural rigidity and thereby overcome the loss in stiffness associated with the higher strength but thinner steels proposed for use by the automotive industry. The comparison of continuously joined structures with conventionally joined (spot welded) structures will help to determine the potential weight reduction of the automotive structure. The effects of joining technique, sheet thickness, steel strength, section area, section design and le

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Janová, Petra. "Adhezní spolupůsobení lepidla s konstrukčním dřevem." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409760.

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This labor is based on penetration of adhesives into a wood cell walls. It focuses mainly on adhesives that are currently used for construction purposes. It also contains a methodics of selecting adhesives and wood, which will be used for glued joints and summarizes the methods used for detect these adhesives in the wood cell wall. It experimentally verifies the appropriate selection of the dye-solvent combination used in the adhesive.

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Bayraktar, Atilla. "Detailed Evaluation Of An Existing Reinforced Concrete Building Damaged Under Its Own Weight." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613230/index.pdf.

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DETAILED EVALUATION OF AN EXISTING REINFORCED CONCRETE BUILDING DAMAGED UNDER ITS OWN WEIGHT Bayraktar, Atilla M.Sc., Department of Civil Engineering Supervisor: Prof. Dr. Ahmet Yakut May 2011, 130 pages A significant part of the Turkey&rsquo<br>s building inventory consists of reinforced concrete frame structures. In addition to that a big part of the existing building inventory in Turkey shows insufficiency in seismic performance damage or failure of structures under their own loads has also been observed. The failure of Z&uuml<br>mr&uuml<br>t Apartment building that occurred in 2004

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Chowdhury, Shahadat Hossain Civil &amp Environmental Engineering Faculty of Engineering UNSW. "Mitigating predictive uncertainty in hydroclimatic forecasts: impact of uncertain inputs and model structural form." Publisher:University of New South Wales. Civil & Environmental Engineering, 2009. http://handle.unsw.edu.au/1959.4/43378.

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Hydrologic and climate models predict variables through a simplification of the underlying complex natural processes. Model development involves minimising predictive uncertainty. Predictive uncertainty arises from three broad sources which are measurement error in observed responses, uncertainty of input variables and model structural error. This thesis introduces ways to improve predictive accuracy of hydroclimatic models by considering input and structural uncertainties. The specific methods developed to reduce the uncertainty because of erroneous inputs and model structural errors are outl

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Dogan, Erkan. "Optimum Design Of Rigid And Semi-rigid Steel Sway Frames Including Soil-structure Interaction." Phd thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612281/index.pdf.

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In this study, weight optimization of two dimensional steel frames is carried out in which the flexibility of beam-to-column connections and the soil-structure interaction are considered. In the analysis and design of steel frames, beam-tocolumn connections are assumed to be either fully rigid or perfectly pinned. However, the real behavior of beam-to-column connections is actually between these extremes. Namely, even the simple connections used in practice possess some stiffness falling between these two cases mentioned above. Moreover, it is found that there exists a nonlinear relationship b

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Yuan, Yuan Clara. "Conditional, Structural and Unobserved Heterogeneity: three essays on preference heterogeneity in the design of financial incentives to increase weight loss program reach." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/75061.

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This dissertation consists of three essays on forms of preference heterogeneity in discrete choice models. The first essay uses a model of heterogeneity conditional on observed individual-specific characteristics to tailor financial incentives to enhance weight loss program participation among target demographics. Financial incentives in weight loss programs have received attention mostly with respect to effectiveness rather than participation and representativeness. This essay examines the impact of financial incentives on participation with respect to populations vulnerable to obesity and

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Darcy, Greg. "Structural behaviour of an innovative cold-formed steel building system." Thesis, Queensland University of Technology, 2005. https://eprints.qut.edu.au/16589/1/Greg_Darcy_Thesis.pdf.

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Cold-formed steel structures have been in service for many years and are used as shelters for both domestic and industrial purposes. To produce an economical product, manufacturers have typically based their designs on the simple portal frame concept. As there is almost a direct relationship between overall cost and the weight of steel in a portal frame structure, it is of great importance to provide a structure with the minimum amount of steel whilst providing structural adequacy. Portal frame sheds have been refined continuously for many years, with only minimal amounts of savings in

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Darcy, Greg. "Structural behaviour of an innovative cold-formed steel building system." Queensland University of Technology, 2005. http://eprints.qut.edu.au/16589/.

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Cold-formed steel structures have been in service for many years and are used as shelters for both domestic and industrial purposes. To produce an economical product, manufacturers have typically based their designs on the simple portal frame concept. As there is almost a direct relationship between overall cost and the weight of steel in a portal frame structure, it is of great importance to provide a structure with the minimum amount of steel whilst providing structural adequacy. Portal frame sheds have been refined continuously for many years, with only minimal amounts of savings in stee

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Liu, Bert C. Liu. "Joining Dissimilar Structural Alloys by Vaporizing Foil Actuator Welding: Process Conditions, Microstructure, Corrosion, and Strength." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1471629967.

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Si, Kun. "Kinetics and Mechanism of Vinyl Chloride Polymerization: Effects of Additives on Polymerization Rate, Molecular Weight and Defect Concentration in the Polymer." online version, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=case1168382967.

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40

Camacho, Zarco Aldo Roman [Verfasser], Markus [Akademischer Betreuer] Zweckstetter, Marina [Akademischer Betreuer] Bennati, Ralph [Akademischer Betreuer] Kehlenbach, and Claudia [Akademischer Betreuer] Höbartner. "Paramagnetic tools for the structural analysis of high molecular weight proteins / Aldo Roman Camacho Zarco. Betreuer: Markus Zweckstetter. Gutachter: Marina Bennati ; Ralph Kehlenbach ; Claudia Höbartner." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2015. http://d-nb.info/1080030360/34.

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Oliveira, Tiago Miguel Grilo Mayer. "Investigation, optimization and re- design of a body car part, especially in terms of weight and cost reduction, material substitution, structural rigidity and fixation system." Master's thesis, Universidade de Évora, 2013. http://hdl.handle.net/10174/9031.

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Abstract Reducing vehicle mass in order to improve fuel efficiency is one of the biggest challenges of actually automotive society. This objective could be achieved using lighter materials or less pollutant engines, nevertheless these technologies are currently expensive and engineers must develop high efficient safety vehicles that could be economically competitive in their class. The immediate objective of this research is to analyze a body car part in order to improve its weight characteristics without compromising the main function of the component as well as the final price per unit. Diff

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Salour, Farhad. "Moisture Influence on Structural Behaviour of Pavements : Field and Laboratory Investigations." Doctoral thesis, KTH, Väg- och banteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-162076.

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The structural behaviour of pavements in cold regions can considerably be affected by seasonal variation in environmental factors such as temperature and moisture content. Along with the destructive effect of heavy traffic loads, climatic and environmental factors can considerably contribute to pavement deterioration. These factors can influence the structural and functional capacity of the pavement structures which, as a result, can trigger and accelerate pavement deterioration mechanisms. Studies on the influence of variation of the environmental factors on the response and behaviour of pave

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Aydogdu, Ibrahim. "Optimum Design Of 3-d Irregular Steel Frames Using Ant Colony Optimization And Harmony Search Algorithms." Phd thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612285/index.pdf.

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Steel space frames having irregular shapes when subjected to lateral loads caused by wind or earthquakes undergo twisting as a result of their unsymmetrical topology. As a result, torsional moment comes out which is required to be resisted by the three dimensional frame system. The members of such frame are generally made out of steel I sections which are thin walled open sections. The simple beam theory is not adequate to predict behavior of such thin-walled sections under torsional moments due to the fact that the large warping deformations occur in the cross section of the member. Therefore

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NASCIMENTO, Mauro Henrique Alves. "Análise da incompatibilidade de rigidez entre camadas de revestimentos asfálticos na ocorrência de slippage em pavimento aeroportuário." Universidade Federal de Campina Grande, 2017. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/386.

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Submitted by Lucienne Costa (lucienneferreira@ufcg.edu.br) on 2018-04-13T18:16:49Z No. of bitstreams: 1 MAURO HENRIQUE ALVES NASCIMENTO – DISSERTAÇÃO (PPGECA) 2017.pdf: 22942682 bytes, checksum: d52bbbcac224ea9695c0dd3c9ffc12d1 (MD5)<br>Made available in DSpace on 2018-04-13T18:16:49Z (GMT). No. of bitstreams: 1 MAURO HENRIQUE ALVES NASCIMENTO – DISSERTAÇÃO (PPGECA) 2017.pdf: 22942682 bytes, checksum: d52bbbcac224ea9695c0dd3c9ffc12d1 (MD5) Previous issue date: 2017-06-09<br>Com a finalidade de sanar as degradações do pavimento, devem-se realizar estudos avaliativos das condições estrutur

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Gurbuz, Tuba. "Impact performance and mitigation of reinforced concrete columns." Thesis, Queensland University of Technology, 2018. https://eprints.qut.edu.au/122182/1/Tuba_Gurbuz_Thesis.pdf.

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This thesis studies the behavior of RC columns vulnerable to vehicular impacts and develops an appropriate retrofitting technique to mitigate the adverse effects of the impact. The findings of this research will inform new designs and retrofitting of existing designs to enhance their safety and protect the structures they support

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Erdal, Ferhat. "Ultimate Load Capacity Of Optimally Designed Cellular Beams." Phd thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613007/index.pdf.

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Cellular beams became increasingly popular as an efficient structural form in steel construction since their introduction. Their sophisticated design and profiling process provides greater flexibility in beam proportioning for strength, depth, size and location of circular holes. The purpose of manufacturing these beams is to increase overall beam depth, the moment of inertia and section modulus, which results in greater strength and rigidity. Cellular beams are used as primary or secondary floor beams in order to achieve long spans and service integration. They are also used as roof beams bey

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Carbas, Serdar. "Optimum Topological Design Of Geometrically Nonlinear Single Layer Lamella Domes Using Harmony Search Method." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609634/index.pdf.

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Harmony search method based optimum topology design algorithm is presented for single layer lamella domes. The harmony search method is a numerical optimization technique developed recently that imitates the musical performance process which takes place when a musician searches for a better state of harmony. Jazz improvisation seeks to find musically pleasing harmony similar to the optimum design process which seeks to find the optimum solution. The optimum design algorithm developed imposes the behavioral and performance constraints in accordance with LRFD-AISC. The optimum number of rings, t

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Byrne, Rebecca Ann. "Dietary intake of children aged 12-16 months and associations with maternal feeding beliefs and practices." Thesis, Queensland University of Technology, 2015. https://eprints.qut.edu.au/86691/1/Rebecca_Byrne_Thesis.pdf.

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This thesis provides the first detailed data describing the dietary intake of first-born Australian children aged 12-16 months. Overall, quality of intake could improve, with toddlers being exposed to energy-dense, nutrient-poor foods which may adversely affect the development of long-term healthy food preferences and growth trajectory. The leaner, but healthy weight toddler who exhibited more frequent food refusal was described a fussy eater or prompted higher maternal concern. However these behaviours are consistent with typical child development during the second year of life. Mothers can b

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Erdal, Ferhat. "Optimum Design Of Grillage Systems Using Harmony Search Algorithm." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/12608231/index.pdf.

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Harmony search method based optimum design algorithm is presented for the grillage systems. This numerical optimization technique imitates the musical performance process that takes place when a musician searches for a better state of harmony. For instance, jazz improvisation seeks to find musically pleasing harmony similar to the optimum design process which seeks to find the optimum solution. The design algorithm considers the displacement and strength constraints which are implemented from LRFD-AISC (Load and Resistance Factor Design-American Institute of Steel Construction). It selects th

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Bolmsvik, Åsa. "Structural-acoustic vibrations in wooden assemblies: : Experimental modal analysis and finite element modelling." Doctoral thesis, Linnéuniversitetet, Institutionen för bygg- och energiteknik (BE), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-24562.

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This doctoral thesis concerns flanking transmission in light weight, wooden multi-storey buildings within the low frequency, primarily 20-120 Hz. The overall aim is to investigate how the finite element method can contribute in the design phase to evaluate different junctions regarding flanking transmission. Two field measurements of accelerations in light weight wooden buildings have been evaluated. In these, two sources; a stepping machine, and an electrodynamic shaker, were used. The shaker was shown to give more detailed information. However, since a light weight structure in field exhibit

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