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Dissertations / Theses on the topic 'SEISMIC FORCE'

Author: Grafiati

Published: 11 September 2023

Last updated: 25 July 2025

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1

Leaf, Timothy D. "Investigation of the vertical distribution of seismic forces in the static force and equivalent lateral force procedures for seismic design of multistory buildings /." Available to subscribers only, 2006. http://proquest.umi.com/pqdweb?did=1136093311&sid=1&Fmt=2&clientId=1509&RQT=309&VName=PQD.

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2

Manafpour, Alireza. "Force and displacement-based seismic design of RC buildings." Thesis, Imperial College London, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.398834.

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3

ZERBIN, Matteo. "Force-Based Seismic Design of Dual System RC Structures." Doctoral thesis, Università degli studi di Ferrara, 2017. http://hdl.handle.net/11392/2488041.

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Seismic design of standard structures is typically based on a force-based design approach. Over the years, this approach has proven to be robust and easy to apply by design engineers and – in combination with capacity design principles – it provided a good protection against premature structural failures. However, it is also known that the force-based design approach as it is implemented in the current generation of seismic design codes suffers from some shortcomings. One of these relates to the fact that the base shear is computed using a pre-defined force reduction factor, which is constant

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4

Hague, Samuel Dalton. "Eccentrically braced steel frames as a seismic force resisting system." Kansas State University, 2013. http://hdl.handle.net/2097/15610.

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Master of Science<br>Department of Architectural Engineering<br>Kimberly Waggle Kramer<br>Braced frames are a common seismic lateral force resisting system used in steel structure. Eccentrically braced frames (EBFs) are a relatively new lateral force resisting system developed to resist seismic events in a predictable manner. Properly designed and detailed EBFs behave in a ductile manner through shear or flexural yielding of a link element. The link is created through brace eccentricity with either the column centerlines or the beam midpoint. The ductile yielding produces wide, balanced hyster

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5

Fuqua, Brandon W. "Buckling restrained braced frames as a seismic force resisting system." Manhattan, Kan. : Kansas State University, 2009. http://hdl.handle.net/2097/1131.

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6

Li, Xinrong. "Reinforced concrete columns under seismic lateral force and varying axial load." Thesis, University of Canterbury. Civil Engineering, 1994. http://hdl.handle.net/10092/7593.

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The project is carried out with the intention to study the strength and ductility of reinforced concrete columns subjected to simulated seismic horizontal loading and varying axial load. First, an extensive review of previous research on the behaviour of reinforced concrete members and hysteretic modelling is provided. Then, the experimentally investigation which involves testing a total of nine reinforced concrete specimens under simultaneously cyclic lateral loading and varying axial load is carried out. The first series of six reinforced concrete column units were tested to obtain the var

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7

Murphy, Michael. "Performance based evaluation of prequalified steel seismic force resisting structures in Canada." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/43701.

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Structural Steel is one of the most important building materials used worldwide; special Seismic Force Resisting Systems (SFRS) have been developed to use steel to resist seismic forces in earthquake prone regions. In Canada, several steel SFRS have been adopted in the code, these include Moment Resisting Frames, Concentrically and Eccentrically Braced Frames, Buckling Restrained Braced Frames and Steel Plate Shear Walls; conventional construction frames may also be designed which have no seismic detailing. The design of these systems is covered comprehensively in literature; however no guidan

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8

Stallbaumer, Cassandra. "Design comparison of hybrid masonry types for seismic lateral force resistance for low-rise buildings." Thesis, Kansas State University, 2016. http://hdl.handle.net/2097/32534.

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Master of Science<br>Architectural Engineering and Construction Science<br>Kimberly W. Kramer<br>The term hybrid masonry describes three variations of a lateral force resisting system that utilizes masonry panels inside steel framing to resist lateral loads from wind or earthquakes. The system originates from the rich history of masonry in the construction industry and is currently used in low-rise, low-seismic, wind-governed locations within the United States. Considerable research is focused on hybrid systems to prove their validity in high-seismic applications. The three variations of hybri

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9

Bakr, Junied. "Displacement-based approach for seismic stability of retaining structures." Thesis, University of Manchester, 2018. https://www.research.manchester.ac.uk/portal/en/theses/displacementbased-approach-for-seismic-stability-of-retaining-structures(fed35f6a-9a0d-46ae-8607-1dc434dc7c28).html.

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This thesis presents a unique finite element investigation of the seismic behaviour of 2 retaining wall types â a rigid retaining wall and a cantilever retaining wall. The commercial finite element program PLAXIS2D was used to develop the numerical simulation models. The research includes: (1) validating the finite element model with the results of 3 previously existing centrifuge tests taken from literature; (2) investigating the seismic response of rigid and cantilever retaining walls including studying the effects of contribution of wall displacement, wall and backfill seismic inertia an

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10

Lowe, Joshua Brian. "Quantifying Seismic Risk for Portable Ground Support Equipment at Vandenberg Air Force Base." DigitalCommons@CalPoly, 2010. https://digitalcommons.calpoly.edu/theses/269.

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This project develops a quantitative method to evaluate the seismic risk for portable GSE at Vandenberg Air Force Base. Using the latest probability data available from the USGS, risk thresholds are defined for portable GSE having the potential to cause a catastrophic event. Additionally, an example tool for design engineers was developed from the seismic codes showing the tipping hazard case can be simplified into strict geometrical terms. The misinterpretation and confusion regarding the Range Safety 24 Hour Rule exemption can be avoided by assessing seismic risk for portable GSE. By usi

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11

Zahid, Muhammad. "Active earth pressure from c-Ø soil subjected to surcharge and seismic loadings." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2010. https://ro.ecu.edu.au/theses/1823.

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Construction of retaining structures to support soils at slopes steeper than their angle of repose has been a routine practice in most civil engineering projects. The successful design of such structures depends greatly on the calculation of total active force from the soil backfills, which has been a topic of research since the early development of analytical expressions presented by Coulomb (1776) and Rankine (1857). Mononobe-Okabe equation was developed during 1926-1929 for calculating total active earth pressure from cohesionless soil (f soil) backfills. In recent past, attempts have been

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12

Wearing, Christopher. "Evaluation of force distribution within a dual special moment-resisting and special concentric-brace frame system." Thesis, Kansas State University, 2017. http://hdl.handle.net/2097/35483.

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Master of Science<br>Department of Architectural Engineering and Construction Science<br>Kimberly W. Kramer<br>Dual Lateral Force Resisting Systems are currently required by code to include a Moment Resisting Frame capable of resisting at least 25% of the lateral loads. This thesis evaluates the seismic performance of a specific type of dual system: a Special Moment Resisting Frame-Special Concentric Brace Frame System (SMRF-SCBF) under three different force distributions. The three distributions were 80% - 20%, 75% - 25%, and 70% - 30% with the lesser force being allotted to the Special Mom

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Kunwar, Sushil. "Comprehensive Evaluation of Composite Core Walls for Low-Seismic Force and Wind Load Applications." University of Cincinnati / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1613750905724949.

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14

Zhang, Zhi, and Zhi Zhang. "Analytical Investigation of Inertial Force-Limiting Floor Anchorage System for Seismic Resistant Building Structures." Diss., The University of Arizona, 2017. http://hdl.handle.net/10150/625385.

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This dissertation describes the analytical research as part of a comprehensive research program to develop a new floor anchorage system for seismic resistant design, termed the Inertial Force-limiting Floor Anchorage System (IFAS). The IFAS intends to reduce damage in seismic resistant building structures by limiting the inertial force that develops in the building during earthquakes. The development of the IFAS is being conducted through a large research project involving both experimental and analytical research. This dissertation work focuses on analytical component of this research, whic

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15

Taghikhany, Touraj. "Effect of variation of normal force on seismic performance of resilient sliding isolation systems." 京都大学 (Kyoto University), 2004. http://hdl.handle.net/2433/145348.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(工学)<br>甲第11134号<br>工博第2413号<br>新制||工||1321(附属図書館)<br>22703<br>UT51-2004-R10<br>京都大学大学院工学研究科土木システム工学専攻<br>(主査)教授家村浩和, 教授スコーソンチャールズ, 教授鈴木祥之<br>学位規則第4条第1項該当

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Dickof, Carla. "Clt infill panels in steel moment resisting frames as a hybrid seismic force resisting system." Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/44209.

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This paper examines CLT-steel hybrid systems at three, six, and nine storey heights to increase seismic force resistance compared to a plain wood system. CLT panels are used as infill in a steel moment frame combining the ductility of a steel moment frame system with a stiffness and light weight of CLT panels. This system allows for the combination of high strength and ductility of steel with high stiffness and light weight of timber. This thesis examines the seismic response of this type of hybrid seismic force resisting system (SFRS) in regions with moderate to high seismic hazard indices.

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Nippress, Stuart. "Subduction body force stresses, deformation and mantle seismic anisotropy at the 410 and 660km phase transitions." Thesis, University of Liverpool, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.420748.

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18

Guo, Zifan. "Numerical Analysis of Passive Force on Skewed Bridge Abutments." BYU ScholarsArchive, 2015. https://scholarsarchive.byu.edu/etd/6151.

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Accounting for seismic forces and thermal expansion in bridge design requires an accurate passive force-deflection relationship for the abutment wall. Current design codes make no allowance for skew effects on passive force; however, large scale field tests indicate that there is a substantial reduction in peak passive force as skew angle increases. A reduction in passive force also reduces the transverse shear resistance on the abutment. The purpose of this study is to validate three-dimensional model using PLAXIS 3D, against large scale test results performed at Brigham Young University and

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19

Hite, Monique C. "Evaluation of the Performance of Bridge Steel Pedestals under Low Seismic Loads." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/14485.

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Many bridges are damaged by collisions from over-height vehicles resulting in significant impact to the transportation network. To reduce the likelihood of impact from over-height vehicles, steel pedestals have been used as a cost-effective, efficient means to increase bridge clearance heights. However, these steel pedestals installed on more than 50 bridges in Georgia have been designed with no consideration of seismic loads and may behave in a similar fashion to high-type steel bearings. Past earthquakes have revealed the susceptibility of high-type bearings to damage, resulting in the co

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Curtis, Joshua Rex. "Effect of Inclined Loading on Passive Force-Deflection Curves and Skew Adjustment Factors." BYU ScholarsArchive, 2018. https://scholarsarchive.byu.edu/etd/7255.

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Skewed bridges have exhibited poorer performance during lateral earthquake loading in comparison to non-skewed bridges (Apirakvorapinit et al. 2012; Elnashai et al. 2010). Results from numerical modeling by Shamsabadi et al. (2006), small-scale laboratory tests by Rollins and Jessee (2012), and several large-scale tests performed by Rollins et al. at Brigham Young University (Franke 2013; Marsh 2013; Palmer 2013; Smith 2014; Frederickson 2015) led to the proposal of a reduction curve used to determine a passive force skew reduction factor depending on abutment skew angle (Shamsabadi and Rollin

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21

Shrestha, Santosh. "A COMPARATIVE STUDY OF EQUIVALENT LATERAL FORCE METHOD AND RESPONSE SPECTRUM ANALYSIS IN SEISMIC DESIGN OF STRUCTURAL FRAMES." OpenSIUC, 2019. https://opensiuc.lib.siu.edu/theses/2561.

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Equivalent Lateral Force Method (ELF) and Response Spectrum Analysis (RSA) are the two most popular methods of seismic design of structures. This study aims to present a comparative study of the two methods using hand-calculated approach as well as computer analysis according to ASCE 7-10 Standards. The two methods have been compared in terms of base shear and story forces by analyzing various models for different number of stories and different support conditions. It was found that ELF gives conservative results in comparison to RSA. This result was more obvious in case of four-story frames.

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22

Karakus, Hulya. "New Seismic Design Approaches For Block Type Quay Walls." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/12608584/index.pdf.

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In this study, new design approaches are introduced for the seismic design of block type quay walls after reviewing the conventional methodologies. Within the development of the new design approaches an inverse triangular dynamic pressures distributions are applied to define both seismic earth pressures and seismic surcharge pressures. Differently from the conventional design methodology, the hydrodynamic forces are taken into consideration while dynamic forces are specified and equivalent unit weight concept is used during the both static and dynamic calculations Compatibility of this new des

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Grusenmeyer, Eric. "Design comparison of ordinary concentric brace frames and special concentric brace frames for seismic lateral force resistance for low rise buildings." Kansas State University, 2012. http://hdl.handle.net/2097/14986.

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Master of Science<br>Department of Architectural Engineering<br>Kimberly Waggle Kramer<br>Braced frames are a common seismic lateral force resisting system used in steel structures. Ordinary concentric braced frames (OCBFs) and special concentric braced frames (SCBFs) are two major types of frames. Brace layouts vary for both OCBFs and SCBFs. This report examines the inverted-V brace layout which is one common arrangement. OCBFs are designed to remain in the elastic range during the design extreme seismic event. As a result, OCBFs have relatively few special requirements for design. SCBFs

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24

GUPTA, ARUN KUMAR. "DETERMINATION OF SEISMIC PARAMETER OF RCC TALL BUILDING USING SHEAR CORE , SHEAR WALL AND SHEAR CORE WITH OUTRIGGER." Thesis, DELHI TECHNOLOGICAL UNIVERSITY, 2021. http://dspace.dtu.ac.in:8080/jspui/handle/repository/18840.

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This report covers the detailed explanation about the determination of seismic parameter of RCC tall building using shear core, shear wall and shear core with outrigger. Building are subjected to various loads such as dead load, live load ,wind load and seismic load. Seismic load has extreme adverse effect on building so it is necessary to perform seismic analysis This paper describe about the response of building when it is subjected to seismic load , this response can be shown by story drift and base shear. Seismic analysis has been performed on (G+30) building which is located in zone

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Smith, Kyle Mark. "Passive Force on Skewed Bridge Abutments with Reinforced Concrete Wingwalls Based on Large-Scale Tests." BYU ScholarsArchive, 2014. https://scholarsarchive.byu.edu/etd/5577.

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Skewed bridges have exhibited poorer performance during lateral earthquake loading when compared to non-skewed bridges (Apirakvorapinit et al. 2012; Elnashai et al. 2010). Results from small-scale laboratory tests by Rollins and Jessee (2012) and numerical modeling by Shamsabadi et al. (2006) suggest that skewed bridge abutments may provide only 35% of the non-skewed peak passive resistance when a bridge is skewed 45°. This reduction in peak passive force is of particular importance as 40% of the 600,000 bridges in the United States are skewed (Nichols 2012). Passive force-deflection results b

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Quezada, Eder, Yaneth Serrano, and Guillermo Huaco. "Dynamic Amplification Factor Proposal for Seismic Resistant Design of Tall Buildings with Rigid Core Structural System." Smart Innovation, Systems and Technologies, 2021. http://hdl.handle.net/10757/653773.

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El texto completo de este trabajo no está disponible en el Repositorio Académico UPC por restricciones de la casa editorial donde ha sido publicado.<br>Currently, there is an increase in the demand for tall buildings in the city of Lima. This research proposes to reduce the dynamic amplification factor through the seismic design of tall buildings based on the requirements of Peruvian code considering that they are regular in plan and height. Minimum base shear values according to the comparison of static seismic shear and dynamic shear from the spectral modal analysis were reviewed for cases o

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Castillo, Melgarejo Felix Alberto, and Delgado Orlando Junior Gonzales. "Verificación estructural del edificio Floresty usando elementos finitos embebidos." Bachelor's thesis, Universidad Ricardo Palma, 2015. http://cybertesis.urp.edu.pe/handle/urp/1243.

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El Perú es un país sísmico debido que se encuentra cerca de una zona de Subducción donde la Placa de Nazca se mueve por debajo de la Placa Continental. En las llamadas zonas de subducción la placa acumula gran cantidad de energía al introducirse debajo de la otra, estas placas avanzan en sentido contrario comprimiéndose hasta llegar a un punto de ruptura de grandes volúmenes de roca generando sismos de gran magnitud. En Lima se han producido fuertes sismos según los registros que se tienen de la época siendo el más fuerte en el año de 1746 donde hubo mucha destrucción y muchas personas muri

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Fredrickson, Amy. "Large-Scale Testing of Passive Force Behavior for Skewed Bridge Abutments with Gravel and Geosynthetic Reinforced Soil (GRS) Backfills." BYU ScholarsArchive, 2015. https://scholarsarchive.byu.edu/etd/5513.

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Correct understanding of passive force behavior is particularly key to lateral evaluations of bridges because plastic deformation of soil backfill is vital to dissipation of earthquake energy and thermally-induced stresses in abutments. Only recently have studies investigated the effects of skew on passive force. Numerical modeling and a handful of skewed abutment tests performed in sand backfill have found reduced passive force with increasing skew, but previous to this study no skewed tests had been performed in gravel or Geosynthetic Reinforced Soil (GRS) backfills. The goal of this study w

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O'Brien, Patrick Emmet. "Characterizing the Load-Deformation Behavior of Steel Deck Diaphragms using Past Test Data." Thesis, Virginia Tech, 2017. http://hdl.handle.net/10919/78679.

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Recent research has identified that current code level seismic demands used for diaphragm design are considerably lower than demands in real structures during a seismic event. However, historical data has shown that steel deck diaphragms, common to steel framed buildings, perform exceptionally well during earthquake events. A new alternative diaphragm design procedure in ASCE 7-16 increases diaphragm seismic demand to better represent expected demands. The resulting elastic design forces from this method are reduced by a diaphragm design force reduction factor, Rs, to account for the ductility

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Quezada, Ramos Eder Nel, Arone Yaneth Serrano, and Guillermo Huaco. "A comparative study of the seismic base shear force and story drift ratios using Time History and Modal Spectrum Analysis according to Peru Code E.030 and ASCE 7.16 on high-rise buildings." Institute of Electrical and Electronics Engineers Inc, 2020. http://hdl.handle.net/10757/656418.

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El texto completo de este trabajo no está disponible en el Repositorio Académico UPC por restricciones de la casa editorial donde ha sido publicado.<br>Since the last decade there is an important increase of high-rise buildings in Peru, especially in urban areas. Therefore, it is necessary to assess if the Peruvian Seismic Code is applicable for this type of buildings which have long natural periods as their main characteristic. The main objective of this article is to compare the results of the base shear and story drift ratios of Peruvian seismic design code E.030 with those of the ASCE 7-16

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Johnson, Curtis Mathias. "A comparison of Reduced Beam Section moment connection and Kaiser Bolted Bracket® moment connections in steel Special Moment Frames." Thesis, Kansas State University, 2017. http://hdl.handle.net/2097/36233.

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Master of Science<br>Department of Architectural Engineering and Construction Science<br>Kimberly W. Kramer<br>Of seismic steel lateral force resisting systems in practice today, the Moment Frame has most diverse connection types. Special Moment frames resist lateral loads through energy dissipation of the inelastic deformation of the beam members. The 1994 Northridge earthquake proved that the standard for welded beam-column connections were not sufficient to prevent damage to the connection or failure of the connection. Through numerous studies, new methods and standards for Special Moment F

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Just, Paul J. III. "A State of the Art Review of Special Plate Shear Walls." University of Cincinnati / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1459155417.

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Yzema, Fritz Alemagne. "États limites ultimes de cadres en acier isolés sismiquement avec des amortisseurs élastomères et des contreventements en chevrons." Mémoire, Université de Sherbrooke, 2014. http://savoirs.usherbrooke.ca/handle/11143/5347.

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Résumé : Ce projet de maîtrise s’intéresse au comportement ultime d’une structure en acier, contrôlée sismiquement par des amortisseurs élastomères et des contreventements en chevron. Les séismes peuvent causer des dommages considérables quand les infrastructures et les bâtiments ne sont pas construits selon les normes et les techniques appropriées. Par conséquent, réduire l’impact des séismes revient particulièrement à construire des ouvrages sécuritaires en tenant compte bien entendu du paramètre économique. Ainsi Gauron, Girard, Paultre et Proulx ont étudié en 2009, un système de reprise de

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Nicknam, Ahmad. "Non-linear analysis of reinforced concrete structures subjected to transient forces." Thesis, Heriot-Watt University, 1994. http://hdl.handle.net/10399/1432.

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Gardiner, Debra Rachel. "Design Recommendations and Methods for Reinforced Concrete Floor Diaphragms Subjected to Seismic Forces." Thesis, University of Canterbury. Department of Civil and Natural Resources Engineering, 2011. http://hdl.handle.net/10092/6993.

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The magnitudes of seismic forces which develop in floor diaphragms were investigated in this report to enable the development of a desktop floor diaphragm force design method for use in a structural design office. The general distributions of the forces which develop within the floor diaphragm were also investigated. Two and three dimensional, non-linear numerical integration time history analyses were performed to determine the trends and estimates of inertial and self-strain compatibility transfer forces within floor diaphragms. Sensitivity studies were carried out to determine which sim

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Chiewanichakorn, Methee. "Stability of thin precast concrete wall panels subjected to gravity and seismic forces." Thesis, University of Canterbury. Civil Engineering, 1999. http://hdl.handle.net/10092/10450.

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The stability of thin reinforced concrete cantilever walls with lateral displacement restraint at roof level designed for limited ductility under gravity and in-plane seismic loading is investigated in this project. A large number of innovative designs of very tall and slender reinforced concrete walls have been developed in New Zealand ahead of the design standard in the past five years. In order to understand the actual wall behaviour and obtain the quantitative design verifications, limited experimental work has been performed for the past few years at the University of Canterbury. The test

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Dekker, Nicholas M. "Dynamic Analysis and Seismic Retrofit of the Point Sur Lighthouse." DigitalCommons@CalPoly, 2020. https://digitalcommons.calpoly.edu/theses/2192.

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The Point Sur Lighthouse is an unreinforced stone masonry building completed in 1889 on the central coast of California. The lighthouse is listed on the National Register of Historic Places and is still an active aid to navigation. The original first-order Fresnel lens was removed from the lantern room and placed in safekeeping due to its high risk of damage in the event of a strong earthquake. The lens has been approved to return to its original setting but the seismic performance of the building must first be assessed in order to ensure the safety of the lens and lighthouse, specifically the

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Harrison, Stella, and Siri Nöjd. "Influence of Foundation Modelling on the Seismic Response of a Concrete Dam." Thesis, KTH, Betongbyggnad, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-300448.

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It is of great importance to ensure the structural safety of dams during earthquakes since a failure may cause catastrophic consequences. Conventional computation of the structural response of dams is based on a simplified approach where the foundation is considered as massless. However, recent developments have produced several new analysis methods that consider the foundation mass, modelled with absorbing boundaries and free-field forces. These newer methods are intended to simulate the seismic structural response more accurately, optimize the design and minimise future unnecessary reparatio

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Mikhaltsevitch, Vassili Timofeevitch. "Investigations of Elastic Properties of Isotropic and Anisotropic Rocks at Seismic Frequencies Using Forced-Oscillation Experiments." Thesis, Curtin University, 2017. http://hdl.handle.net/20.500.11937/59144.

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The thesis developed and validated an experimental forced-oscillation approach for low-frequency laboratory investigations of the elastic and anelastic properties of the main sedimentary rocks such as sandstones, carbonates and shales. The presented results demonstrate that the forced-oscillation approach is able to adequately quantify elastic and anelastic parameters of sedimentary rocks and can improve the efficiency of the seismic data interpretation and reservoir characterisation.

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葛, 漢彬, Hanbin GE, 豪. 河野, Takeshi KONO, 勉. 宇佐美 та Tsutomu USAMI. "圧縮と曲げを受ける鋼部材セグメントの終局ひずみと鋼アーチ橋の動的耐震照査への応用". 土木学会, 2004. http://hdl.handle.net/2237/8545.

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Niraula, Manjil. "BEHAVIOR AND DESIGN OF THE CRITICAL MEMBER IN STRUCTURES WITH IN-PLANE DISCONTINUOUS BRACED FRAMES." OpenSIUC, 2020. https://opensiuc.lib.siu.edu/theses/2751.

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When a structure with an in-plane discontinuous frame is used, a discontinuous load path is formed due to the irregularity. This is continuous load path can lead to the failure of certain elements and the structure as a whole when the structure is exposed to lateral loading. In this study, an in-plane discontinuous frame structure is exposed to gravity as well as lateral loading due to which a discontinuous load path is formed. Due to the discontinuous load path, higher value of axial load is developed on a beam which is generally designed considering it as a flexural member. The main objectiv

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Gao, Guochao. "Contribution to seismic modeling and imaging in the presence of reflector roughness." Thesis, Ecole centrale de Marseille, 2020. http://www.theses.fr/2020ECDM0010.

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En raison de divers processus géologiques et de mouvements crustaux, les interfaces rugueuses existent largement dans la Terre. Une interface rugueuse peut affecter fortement la propagation des ondes sismiques par des changements d'amplitude, de phase, d'angle de diffusion, du contenu en fréquence et même de conversion de type d'onde. Inévitablement, la qualité de l'imagerie sismique ou de l'inversion en est fortement influencée. Malgré les nombreux travaux consacrés à l'interaction des ondes avec des interfaces rugueuses, cette interaction est loin d’être comprise, car il est encore difficile

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Mohamadian, Sarvandani Mohamadhasan. "Seismic tomography of an amagmatic ultra-slow spreading ridge." Electronic Thesis or Diss., Sorbonne université, 2022. http://www.theses.fr/2022SORUS467.

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Les dorsales ultra-lentes quasi-amagmatiques constituent une nouvelle catégorie de dorsales océaniques caractérisées par une accrétion crustale, exposant sur le fond marin des quantités considérables de péridotites provenant du manteau. L’étude de la contribution des processus tectoniques, magmatiques et d’autres processus impliqués est nécessaire pour obtenir un modèle conceptuel complet des dorsales océaniques à accrétion ultra-lente. L’imagerie des structures de la croûte et du manteau supérieur peut nous aider à comprendre les activités géologiques passées et actuelles sur les dorsales à a

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Michel, Kenan. "Distribution of Lateral Forces on Reinforced Masonry Bracing Elements Considering Inelastic Material Behavior - Deformation-Based Matrix Method -." Technische Universität Dresden, 2021. https://tud.qucosa.de/id/qucosa%3A75156.

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The main goal of CIC-BREL project (Cracked and Inelastic Calculation of BRacing Elements) is to develop an analytical method to distribute horizontal forces on bracing elements, in this case reinforced masonry shear walls, of a building considering the cracked and inelastic state of material. The moment curvature curve of the wall section is created first depending on the section geometry and material properties of both the masonry units and steel reinforcement. This curve will start with an elastic material behavior, then continue in inelastic material behavior where the masonry crushes and

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Gilardet, Mathieu. "Étude d’algorithmes de restauration d’images sismiques par optimisation de forme non linéaire et application à la reconstruction sédimentaire." Thesis, Pau, 2013. http://www.theses.fr/2013PAUU3040/document.

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Nous présentons une nouvelle méthode pour la restauration d'images sismiques. Quand on l'observe, une image sismique est le résultat d'un système de dépôt initial qui a été transformé par un ensemble de déformations géologiques successives (flexions, glissement de la faille, etc) qui se sont produites sur une grande période de temps. L'objectif de la restauration sismique consiste à inverser les déformations pour fournir une image résultante qui représente le système de dépôt géologique tel qu'il était dans un état antérieur. Classiquement, ce procédé permet de tester la cohérence des hypothès

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Taffarel, Sabrina. "Metodi speditivi per la valutazione della vulnerabilità sismica del costruito storico: approccio all'incertezza nelle forme di aggregazione complessa a diversa scala." Doctoral thesis, Università degli studi di Padova, 2016. http://hdl.handle.net/11577/3421936.

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The prediction of the impact an earthquake could have on existing buildings requires the knowledge of their dynamic behaviour. The procedure to be adopted for this purpose is quite complex and onerous in terms of costs, time and implementation, especially if the study concerns territorial areas rather than single buildings. The definition of methodologies aimed at respecting the principles of economic sustainability and preserving human life and architectural heritage is of paramount importance to assess seismic vulnerability using available resources. This work aims at developing useful proc

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Roberts, Mark Alvin. "Full waveform inversion of walk-away VSP data." Paris, Institut de physique du globe, 2007. http://www.theses.fr/2007GLOB0020.

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Du fait de l’épuisement des réserves de pétrole, l’exploration et la production sont réalisées dans des environnements de plus en plus complexes. Faire de l’imagerie sismique sous le sel allochtone (par exemple dômes de sel) demeure une tâche difficile à cause du fait contraste de vitesse dentre le sel et les sédiments voisins et les structures très complexes produites par les déplacements de sel. Les nappes de sel allochtone couvrent de nombreuses régions potentiellement productives dans l’offshore profond du Golfe du Mexique. Forer la base du sel est une tâche extrêmement difficile en raison

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Diaz, Calderon Alvaro Emilio, and Ventocilla Brigitte Carolina Meniz. "Evaluación estructural de reservorios apoyados de concreto armado en Lima Metropolitana considerando la norma ACI 350-06 y las normativas peruanas." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2019. http://hdl.handle.net/10757/626005.

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En la presente tesis se ha desarrollado la evaluación estructural de cinco reservorios circulares del tipo apoyado, construidos entre los años 1977 y 1997, ubicados en zonas de alto riesgo sísmico en Lima Metropolitana y ubicados en suelos medianamente rígidos, con el objetivo de evidenciar si estas estructuras continúan conservando un diseño sísmico adecuado en base a los requerimientos sísmicos actuales, y por ende si serán capaces de resistir un evento sísmico severo y continuar con el servicio. Para poder modelar y determinar la respuesta de los se reservorios se empleó el modelo equiv

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Beres, Jan. "Caractérisation de l'anisotropie d'une plate-forme carbonatée karsifiée : approche méthodologique conjointe sismique et électrique." Phd thesis, Université Paris Sud - Paris XI, 2013. http://tel.archives-ouvertes.fr/tel-00880759.

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Les résultats présentés dans ce document portent sur les anisotropies sismique et électrique d'un massif calcaire fracturé dans des galeries parallèles souterraines. Les fractures étant orientées verticalement, leurs propriétés sont approximées par isotropie transverse horizontale (HTI). Plusieurs méthodes d'inversion ont été étudié pour traiter les données sismiques (temps d'arrivée des ondes P et S); et pour traiter les données de résistivité électrique mesuré dans une configuration pôle-pôle (valeur de potentiel mesuré).Pour traiter les données sismiques (quatre campagnes), les méthodes étu

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Janošková, Lenka. "Dynamická analýza konstrukce zatížené seismickým zatížením." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226464.

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In this diploma thesis the seismic load on two different models is solved – the first model is a beam hall and the second model is a multistory building. The calculation of seismic load was performed according to standard ČSN EN 1998-1 (Eurocode 8) using the response spectrum analysis and the method of equivalent static forces (substi-tute load). For the combination of seismic responses in different directions are used SRSS and CQC rules. Models and calculations were solved in a student’s version of program RFEM 4.10 (Ing. Software Dlubal, s.r.o.). The comparison of mentioned methods in each m

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