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Dissertations / Theses on the topic 'Seismic cycles'

Author: Grafiati

Published: 23 November 2024

Last updated: 31 July 2025

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1

Muldashev, Iskander [Verfasser], Michael [Akademischer Betreuer] Weber, Stephan Vladimir [Akademischer Betreuer] Sobolev, and Volker [Akademischer Betreuer] John. "Modeling of the great earthquake seismic cycles / Iskander Muldashev ; Michael H. Weber, Stephan Vladimir Sobolev, Volker John." Potsdam : Universität Potsdam, 2017. http://d-nb.info/1218402474/34.

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Muldashev, Iskander [Verfasser], Michael H. [Akademischer Betreuer] Weber, Stephan Vladimir [Akademischer Betreuer] Sobolev, and Volker [Akademischer Betreuer] John. "Modeling of the great earthquake seismic cycles / Iskander Muldashev ; Michael H. Weber, Stephan Vladimir Sobolev, Volker John." Potsdam : Universität Potsdam, 2017. http://d-nb.info/1218402474/34.

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3

Bagur, Laura. "Modeling fluid injection effects in dynamic fault rupture using Fast Boundary Element Methods." Electronic Thesis or Diss., Institut polytechnique de Paris, 2024. http://www.theses.fr/2024IPPAE010.

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Les tremblements de terre d'origine naturelle ou anthropique provoquent d'importants dégâts humains et matériels. Dans les deux cas, la présence de fluides interstitiels influe sur le déclenchement des instabilités sismiques. Une nouvelle question d'actualité dans la communauté est de montrer que l'instabilité sismique peut être atténuée par un contrôle actif de la pression des fluides. Dans ce travail, nous étudions la capacité des méthodes d'éléments de frontière rapides (Fast BEMs) à fournir un solveur robuste multi-physique à grande échelle nécessaire à la modélisation des processus sismiq

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4

Aben, Frans. "Experimental simulation of the seismic cycle in fault damage zones." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAU012/document.

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Les séismes le long de grandes failles crustales représentent un danger énorme pour de nombreuses populations. Le mécanique de ces failles est influencé par des zones endommagées qui entourent le coeur de faille. La fracturation dans ces zones contrôle chaque étape du cycle sismique. En effet, cette zone contrôle la mécanique de la rupture sismique, elle est un conduit pour les fluides, réagit chimiquement sous l'effet de fluides réactifs, et facilite la déformation pendant les périodes post- et inter-sismiques. Dans cette thèse de doctorat, des expériences de laboratoire ont été réalisées pou

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Cossette, Élise. "Crustal Seismic Anisotropy and Structure from Textural and Seismic Investigations in the Cycladic Region, Greece." Thesis, Université d'Ottawa / University of Ottawa, 2015. http://hdl.handle.net/10393/32475.

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In the first article, the seismic properties for a suite of rocks along the West Cycladic Detachment System (Greece) are calculated, using Electron backscatter diffraction (EBSD) measurements and the minerals’ elastic stiffness tensors. Muscovite and glaucophane well defined crystallographic preferred orientation increases the seismic anisotropy. Maximum Pwave velocities have the same orientation as the Miocene extension and maximum S-wave anisotropy is subhorizontal, parallel with mineral alignment, suggesting strong radial anisotropy with a slow subvertical axis of symmetry. In the second ar

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6

Al-Shaikh, Abdulrahman Hassan. "Cyclic static and seismic loading of laterally confined concrete prisms." Thesis, Imperial College London, 1987. http://hdl.handle.net/10044/1/38219.

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Fiorin, Laura. "Seismic assessment of suspended ceilings through cyclic quasi-static tests." Doctoral thesis, Università degli studi di Padova, 2018. http://hdl.handle.net/11577/3423162.

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The purpose of this work is the evaluation of the seismic behaviour of suspended ceilings by means of a combined experimental and numerical approach. As concerning the experimental aspects, nowadays the most common experimental produre applied to suspended ceilings worldwide regards shake-table tests, with a protocol defined to certify the ceilings for a determined seismic level. This methodology has some shortcomings, including the high cost and the influence of the input chosen on the experimental results. In fact, these tests have the aim to certify the product rather than providing mechan

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8

Lachaud, Cédric. "Etude du cycle sismique sur une expérience analogique de zone de faille : caractérisation de la déformation par suivi micro-sismique." Thesis, Université Grenoble Alpes (ComUE), 2019. http://www.theses.fr/2019GREAU002/document.

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Le cycle sismique résulte de la compétition entre des mécanismes de renforcement et d'endommagement. Le temps de récurrence entre les grands séismes fait qu'il est difficile d'observer des cycles complets. L'étude expérimentale des mécanismes de déformation et de nucléation des fractures a permis de mieux contraindre les processus à l'origine des séismes. Le rôle de la cicatrisation sur l'évolution de la résistance d'une faille soumise à une déformation stationnaire à été étudié expérimentalement par Weiss et al (2016). Dans cette expérience, une faille est créée dans une plaque de glace par c

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9

Shin, Hyun. "Life-Cycle Cost-Based Optimal Seismic Design of Structures with Energy Dissipation Devices." Diss., Virginia Tech, 2010. http://hdl.handle.net/10919/40399.

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Seismic designs of building structures are currently made based on the design criterion of life-safety and this requires that the structures do not collapse to compromise safety of people in the structure, but they can be designed to experience some damage. However, this design approach has allowed large economic losses primarily due to the damage to the nonstructural components at relatively moderate levels of seismic intensities. This led to a new thinking about design approach called performance-based design approach that satisfies the life-safety objective at the same time, reduces the eco

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10

Schmidt, Johannes. "Deep seismic studies in the Western part of the Baltic shield /." Uppsala : Uppsala university of Uppsala, 2000. http://catalogue.bnf.fr/ark:/12148/cb40232940n.

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11

Sumner, Emmett A. "Unified Design of Extended End-Plate Moment Connections Subject to Cyclic Loading." Diss., Virginia Tech, 2003. http://hdl.handle.net/10919/28078.

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Experimental and analytical research has been conducted to develop unified design procedures for eight extended end-plate moment connection configurations subject to cyclic/seismic loading. In addition, the suitability of extended end-plate moment connections for use in seismic force resisting moment frames was investigated. Eleven full-scale cyclic and nine monotonic extended end-plate moment connection tests were conducted. Design procedures for determining the required bolt diameter and grade, end-plate thickness, and column flange thickness were developed. The proposed design procedure

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12

Saldivar-Moguel, Emilio Enrique. "Investigation into the behaviour of displacement piles under cyclic and seismic loads." Thesis, Imperial College London, 2002. http://hdl.handle.net/10044/1/7589.

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13

Abbas, Ebrahim K. "A Low Cycle Fatigue Testing Framework for Evaluating the Effect of Artifacts on the Seismic Behavior of Moment Frames." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/64256.

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Structural steel components erected in real buildings include a wide range of artifacts. In this case, the word artifact is used to describe both defects and fasteners that create discontinuities in the steel such as notches, nicks, welds, powder actuated fasteners, self-drilling screws, repaired defects, and others. Although artifacts occur in real structures and their presence may affect the ductility of elements subjected to large inelastic strains, there is a dearth of experimental data on the seismic behavior of structural systems with artifacts. For instance, full-scale testing of mome

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14

Bowers, Jeremy Thomas. "Nonlinear Cyclic Truss Model for Beam-Column Joints of Non-ductile RC Frames." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/50437.

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Reinforced concrete (RC) moment frames comprise a significant portion of the built environment in areas with seismic hazards. The beam-to-column joints of these frames are key components that have a significant impact on the structure's behavior. Modern detailing provides sufficient strength within these joints to transfer the forces between the beams and the columns during a seismic event, but existing structures built with poor detailing are still quite prevalent. Identifying the need and extent of retrofits to ensure public safety through nondestructive means is of primary importance. Exist

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15

Kumar, Ramesh. "Effect of cumulative seismic damage and corrosion on life-cycle cost of reinforced concrete bridges." [College Station, Tex. : Texas A&M University, 2007. http://hdl.handle.net/1969.1/ETD-TAMU-2474.

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16

Itaba, Satoshi. "Development of the quantitative evaluation method of seismic activity around active faults, and seismicity cycle." 京都大学 (Kyoto University), 2005. http://hdl.handle.net/2433/145086.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(理学)<br>甲第11318号<br>理博第2876号<br>新制||理||1430(附属図書館)<br>22961<br>UT51-2005-D69<br>京都大学大学院理学研究科地球惑星科学専攻<br>(主査)助教授渡辺邦彦, 教授竹本修三, 教授 Mori James Jiro<br>学位規則第4条第1項該当

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17

Ryan, John Christopher. "Evaluation of Extended End-Plate Moment Connections Under Seismic Loading." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/34981.

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An experimental investigation was conducted to study the extended end-plate moment connections subjected to cyclic loading. Seven specimens representing three end-plate moment connection configurations commonly used in the pre-engineered building industry were used. The connections were designed using yield-line theory to predict end-plate yielding and the modified Kennedy method to predict maximum bolt force calculations including prying action. A displacement controlled loading history was used to load the specimens. The maximum moments obtained experimentally and the experimental bolt f

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18

Honnette, Taylor R. "Measuring Liquefied Residual Strength Using Full-Scale Shake Table Cyclic Simple Shear Tests." DigitalCommons@CalPoly, 2018. https://digitalcommons.calpoly.edu/theses/1998.

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This research consists of full-scale cyclic shake table tests to investigate liquefied residual strength of #2/16 Monterey Sand. A simple shear testing apparatus was mounted to a full-scale one-dimensional shake table to mimic a confined layer of saturated sand subjected to strong ground motions. Testing was performed at the Parson’s Geotechnical and Earthquake Laboratory at California Polytechnic State University, San Luis Obispo. T-bar penetrometer pullout tests were used to measure residual strength of the liquefied soil during cyclic testing. Cone Penetration Testing (CPT) was performed on

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19

Akin, Umut. "Seismic Assessment Of Reinforced Concrete Beam-to-column Connections Under Reversed Cyclic Loading." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613123/index.pdf.

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Prior experimental research clearly reveals that the performance of reinforced concrete frame structures under earthquake loading is closely related to the behavior of beam-to-column connection regions. In order for a reinforced concrete building to have an adequate response under high lateral deformations, beam-to-column connections should be able to preserve their integrity. However, even today beam-to-column connections are assumed to be rigid or elastic, leading to an incorrect estimation of the structural response under earthquake loading. One of the basic reasons for the assumption of ri

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20

Tafsirojjaman, Tafsirojjaman. "Mitigation of seismic and cyclic loading actions on steel structures by FRP strengthening." Thesis, Queensland University of Technology, 2021. https://eprints.qut.edu.au/207918/1/Tafsirojjaman_Tafsirojjaman_Thesis.pdf.

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This thesis aimed to develop an effective technique to mitigate the cyclic and seismic loading actions on steel structure by FRP strengthening. Extensive study has been done to understand the structural performance of FRP strengthened steel members, beam-column connections under monotonic and cyclic loading and FRP strengthened steel frames under seismic loading through experimental testing, finite element (FE) modelling and theoretical approach. The developed finite element and theoretical model predicted the structural responses of FRP strengthened steel structures accurately. The results sh

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21

Redmond, Laura M. "Seismic performance, analysis, and design of hybrid concrete-masonry." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/53497.

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Caribbean-style hybrid concrete-masonry structures consist of a reinforced concrete frame with partially grouted and reinforced infill masonry walls. The infill walls are typically connected to the RC frame with cast-in-place dowel reinforcement along one or more edges of the wall. There is limited guidance in masonry codes to design these types of structures, and their seismic performance has not been characterized with experimental tests. In this work, an experimental program characterized the seismic behavior of hybrid concrete-masonry frames and showed they do not exhibit the typical strut

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22

Tesson, Jim. "Histoire sismique des failles normales de la région du Lazio-Abruzzo (Italie) : implications sur la variabilité spatiale et temporelle du glissement sismique au sein d'un système de faille." Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0050.

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La mesure et la modélisation des concentrations en $^{36}$Cl accumulé au sein d'un plan de faille normal permet d'estimer l'âge et le glissement des forts séismes passés ayant successivement exhumé ce plan de faille. Si cette méthode présente l'avantage de fournir des enregistrements paléo-sismologiques continus sur des périodes de temps relativement longues (10 000 à 20 000 ans), la modélisation de données repose jusqu’à présent sur un modèle direct qui permet difficilement d'attester de l'unicité du scenario proposé, et d'estimer précisément les incertitudes associées, et ne tient pas compte

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23

Azimikor, Nazli. "Out-of-plane stability of reinforced masonry shear walls under seismic loading : cyclic uniaxial tests." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/42113.

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In recent years, widespread application of low-rise masonry construction, including post-disaster buildings like fire halls, has become limited in seismic regions of Canada. This is because the Canadian Masonry Design Standard (CSA S304.1-04) [Canadian Standard Association 2004] mandates stringent requirements on the design of ductile reinforced masonry (RM) shear walls, especially with regard to their height-to-thickness (h/t) ratios, which were restricted to ensure against out-of-plane instability. This failure mechanism has been observed in the end zones of reinforced concrete shear walls l

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24

Bruce, Trevor Louis. "Behavior of Post-Tensioning Systems Subjected to Inelastic Cyclic Loading." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/49111.

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Post-tensioning (PT) strands have been employed in a number of self-centering seismic force resisting systems as part of the restoring force mechanism which virtually eliminates residual building drifts following seismic loading. As a result of the PT strands large elastic deformation capability, they have been proven to work efficiently in these types of systems. Although typically designed to stay elastic during design basis earthquake events, strands may experience inelastic cyclic loading during extreme earthquakes. Furthermore, the yielding and fracture behavior of PT strand systems i

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25

Yuksel, Bahadir S. "Experimental Investigation Of The Seismic Behavior Of Panel Buildings." Phd thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/2/1070309/index.pdf.

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Shear-wall dominant multi-story reinforced concrete structures, constructed by using a special tunnel form technique are commonly built in countries facing a substantial seismic risk, such as Chile, Japan, Italy and Turkey. In 1999, two severe urban earthquakes struck Kocaeli and D&uuml<br>zce provinces in Turkey with magnitudes (Mw) 7.4 and 7.1, respectively. These catastrophes caused substantial structural damage, casualties and loss of lives. In the aftermath of these destructive earthquakes, neither demolished nor damaged shear-wall dominant buildings constructed by tunnel form techniques

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26

Butler, Luke C. "Behavior and Design of Cast-in-Place Anchors under Simulated Seismic Loading." University of Cincinnati / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1382427376.

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27

Caniven, Yannick. "Cinématique et mécanique des failles décrochantes à l'échelle de temps du cycle sismique : apports d'un modèle expérimental." Thesis, Montpellier 2, 2014. http://www.theses.fr/2014MON20057.

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Le cycle sismique s'étend de la centaine à quelques milliers d'années mais les mesures géodésiques et sismologiques s'étendent sur moins d'un siècle. Cette courte échelle de temps d'observation rend difficile la mise en évidence du rôle des paramètres sismotectoniques clefs qui contrôlent la dynamique des failles actives. Pour pallier ce problème d'échelle temporelle, j'ai développé un nouveau modèle expérimental qui reproduit des microséismes le long d'une faille décrochante sur plusieurs centaines de cycles sismiques. Il est constitué de deux plaques de polyuréthane latéralement en contact,

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Gourmelen, Noel. "Measuring Low Fault Strain Rate with Synthetic Aperture Radar: Application to the Pacific-North America Plate Boundary." Scholarly Repository, 2009. http://scholarlyrepository.miami.edu/oa_dissertations/306.

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I use Synthetic Aperture Radar Interferometry (InSAR) to study the present deformation in the Western Basin and Range and Basin and Range - Sierra Nevada transition. I process 350 SAR data over 190·103 km2 for the period 1992 to 2002. Both stacking and time series processing were applied to produce precise (mm/yr) and high-resolution velocity map for the area. Two new processing techniques have been developed. The first technique solves for the long wavelength ambiguities of the InSAR derived velocity map that arise due to uncertainty in the orbital parameter of the satellite. The technique as

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29

Mays, Timothy Wayne. "Application of the Finite Element Method to the Seismic Design and Analysis of Large Moment End-Plate Connections." Diss., Virginia Tech, 2000. http://hdl.handle.net/10919/11245.

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Due to problems associated with welded moment connections uncovered after the Northridge earthquake, large bolted connections are becoming a much more attractive alternative for design in seismic regions. However, stringent design requirements established by the AISC Seismic Provisions for Structural Steel Buildings (1997) make current moment end-plate configurations and design procedures inadequate for multi-story buildings. This dissertation first examines and critiques current seismic design philosophies as applied to moment end-plate connections. Next, the finite element method is used

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30

Robazza, Brook Raymond. "Out-of-plane stability of reinforced masonry shear walls under seismic loading : in-plane reversed cyclic testing." Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/45238.

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Reinforced concrete block masonry shear walls (RMSWs) often constitute the principal seismic force resisting system in masonry structures in Canada. During an earthquake, these walls experience the combined effects of axial gravity loading and overturning moments due to inplane lateral seismic forces. This loading precipitates out-of-plane instability when the longitudinal reinforcement in the wall end zones is subjected to cycles of high tensile strain followed by compression. The Canadian masonry design standard (CSA S304.1-04) [Canadian Standard Association 2004] stipulates stringent

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31

Li, Destri Nicosia Giovanni. "On seismic design and advanced numerical modelling of flexible cantilever walls under earthquake loading including cyclic mobility." Thesis, Università degli Studi di Catania, 2011. http://hdl.handle.net/10761/220.

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Pseudostatic design methods for seismic design of retaining structures are very widely spread in aseismic design codes worldwide. These methods are based on a crude simplification of reality, nevertheless observational evidence of earth retaining structures designed using such methods based on limit equilibrium show their good overall performance except for some situations where saturated granular backfill is present. The aim of this work is first to critically describe the main tools available today for the analysis and seismic design of flexible retaining structures. Secondly to apply differ

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32

Kurtz, Robin. "Évolution spatio-temporelle des déformations sismiques tardi-Pleistocènes et Holocènes dans le massif du Gobi-Altaï, Mongolie : approches morphotectonique et paléosismologique." Thesis, Montpellier, 2017. http://www.theses.fr/2017MONTT141/document.

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La Mongolie occidentale a connu une sismicité intracontinentale exceptionnelle au cours de la première moitié du XXe siècle, avec 4 évènements sismiques d'une magnitude supérieure à 7.9, localisés sur des grandes structures décrochantes en régime transpressif senestre. Cette sismicité historique a été qualifiée d’essaim sismique, et des études paléosismologiques indiquent que ce phénomène a déjà pu se produire par le passé (3 à 4 ka). Mais si la partie est de la chaine du Gobi-Altaï a rompu lors du séisme du même nom en 1957 (Mw8) le long de la faille de Bogd orientale (WBF), plusieurs traces

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33

Hoffmann, Felix [Verfasser]. "Characterization of the subduction zone seismic cycle of the Northern Chile-Southern Peru seismic gap region: analysing and modelling GPS and InSAR data of the 2014 Mw 8.1 Iquique-Pisagua earthquake / Felix Hoffmann." Berlin : Freie Universität Berlin, 2020. http://d-nb.info/1206589205/34.

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34

Toellner, Bradley W. "Evaluating the Effect of Decking Fasteners on the Seismic Behavior of Steel Moment Frame Plastic Hinge Regions." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/23171.

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A series of full-scale beam-to-column moment connection tests were completed to determine the effects of powder actuated fasteners (PAF) and puddle welds on the seismic behavior of steel moment connections. In seismic regions, PAF are currently prohibited in the connection region (referred to as the protected zone) due to the concern of low-cycle fatigue fracture. There is almost no information available in the literature regarding the seismic behavior of moment connections with PAF or puddle welds.<br />Full-scale connection testing is the most accurate way to investigate the behavior of di

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Alfred, Anglade. "Performance sismique sous charge axiale nulle des murs en maçonnerie armée entièrement remplis de coulis." Mémoire, Université de Sherbrooke, 2016. http://hdl.handle.net/11143/9720.

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Résumé : Cette juxtaposition de matériaux solides -blocs, pierres ou briques,...- liés ou non entre eux que nous appelons maçonnerie ne se comporte pas très bien vis-à-vis des forces latérales, surtout si elle n’a pas été réalisée suivant les normes parasismiques ou de façon adéquate. Cette vulnérabilité (glissement, cisaillement, déchirure en flexion, ou tout autre) vient souvent du fait même de ce processus d’empilement, des problèmes d’interaction avec le reste de la structure et aussi à cause des caractéristiques mécaniques peu fiables de certains éléments utilisés. Malgré cette défaillanc

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Dyanati, Badabi Mojtaba. "Seismic Performance Evaluation And Economic Feasibility Of Self-Centering Concentrically Braced Frames." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1460216523.

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37

Phillips, Adam Richard. "Large-Scale Cyclic Testing and Development of Ring Shaped - Steel Plate Shear Walls for Improved Seismic Performance of Buildings." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/73513.

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A novel shear wall system for building structures has been developed that improves upon the performance of conventional steel plate shear walls by mitigating buckling. The new structural system, called the Ring Shaped - Steel Plate Shear Wall, was investigated and developed through experimental and computational methods. First, the plastic mechanism of the system was numerically derived and then analytically validated with finite element analyses. Next, five large-scale, quasi-static, cyclic experimental tests were conducted in the Thomas M. Murray Structures Laboratory at Virginia Tech. The l

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38

Bicici, Erkan. "Development of Computational Models for Cyclic Response of Reinforced Concrete Columns." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1543501310572891.

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39

Penubothu, Naga Nataraja Satyanarayana Kumar. "Development of a phenomenological model for beam-to-column connections in moment resisting frames subjected to seismic loads." Cincinnati, Ohio : University of Cincinnati, 2006. http://www.ohiolink.edu/etd/view.cgi?acc%5Fnum=ucin1152583558.

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Thesis (M.S.)--University of Cincinnati, 2006.<br>Title from electronic thesis title page (viewed Nov. 28, 2006). Includes abstract. Keywords: Connections, Moment Resisting Frames, Phenomenological Model, Cyclic; Loads, Seismic loads. Includes bibliographical references.

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40

Soyoz, Serdar. "Effects Of Soil Structure Interaction And Base Isolated Systems On Seismic Performance Of Foundation Soils." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/12605119/index.pdf.

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In this thesis primarily structural induced liquefaction potential was aimed to be analyzed. Also the effect of base isolation systems both on structural performance and liquefaction potential was studied. FLAC software was chosen for the analyses so that structure and soil could be modeled together. By these means the soil structure interaction effects were also examined. Four different structures and three different sites were analyzed under two different input motions. All the structures were also analyzed as base isolated. It was mainly found that depending on the structural type and for a

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Bedford, Jonathan [Verfasser]. "Kinematic and dynamic characterization of the subduction seismic cycle in Northern and South-Central Chile: Modelling the Iquique 2014 Mw 8.1 and Maule 2010 Mw 8.8 GPS data and interpreting models alongside existing seismic catalogues. / Jonathan Bedford." Berlin : Freie Universität Berlin, 2016. http://d-nb.info/1090877781/34.

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42

Hoste, Colomer Roser. "Variations latérales de sismicité le long du méga-chevauchement himalayen au Népal." Thesis, Paris Sciences et Lettres (ComUE), 2017. http://www.theses.fr/2017PSLEE031/document.

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La sismicité présente le long du méga-chevauchement himalayen, dans la trace du fort séisme de 1505, des variations spatiales qui restaient peu résolues. Nous y avons déployé un réseau sismologique temporaire de 15 stations pour la période 2014-2016, en complément du réseau national. Nous avons effectué une détection automatique Seiscomp3 puis un pointé manuel des séismes enregistrés par le réseau, suivi par une localisation absolue Hypo71 et une relocalisation relative d’essaims HypoDD. Le catalogue résultant compte 2154 évènements dans notre zone d’étude dont les profondeurs (8-16 km) sont b

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Baran, Mehmet. "Precast Concrete Panel Reinforced Infill Walls For Seismic Strengthening Of Reinforced Concrete Framed Structures." Phd thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/3/12606137/index.pdf.

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The importance of seismic rehabilitation became evident with 1992 Erzincan Earthquake, after which a large number of reinforced concrete buildings damaged in recent earthquakes required strengthening as well as repair. In the studies related to rehabilitation, it has been realized that inadequate lateral stiffness is one of the major causes of damage in reinforced concrete buildings. Recently, economical, structurally effective and practically applicable seismic retrofitting techniques are being developed in METU Structural Mechanics Laboratory to overcome these kinds of problems. The strengt

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Stevens, Ryan T. "Evaluating the Fracture Potential of Steel Moment Connections with Defects and Repairs." Thesis, Virginia Tech, 2020. http://hdl.handle.net/10919/101954.

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Steel moment frames are a popular seismic-force resisting system, but it is believed that they are susceptible to early fracture if there is a stress concentration in the plastic hinge region, also known as the protected zone. If a defect is present in this area, it may be repaired by grinding and/or welding, but little research has investigated how the repairs affect the performance of full-scale moment connections subjected to inelastic rotations. Thus, the goals of this research were to establish the performance of full-scale moment connections with repairs and defects, then develop a metho

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Speicher, Matthew S. "Cyclic testing and assessment of shape memory alloy recentering systems." Diss., Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/33834.

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In an effort to mitigate damage caused by earthquakes to the built environment, civil engineers have been commissioned to research, design, and build increasingly robust and resilient structural systems. Innovative means to accomplish this task have emerged, such as integrating Shape Memory Alloys (SMAs) into structural systems. SMAs are a unique class of materials that have the ability to spontaneously recover strain of up to 8%. With proper placement in a structural system, SMAs can act as superelastic "structural fuses", absorbing large deformations, dissipating energy, and recentering t

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Le, Roux-Mallouf Romain. "Déformation Holocène de l’Himalaya du Bhoutan : apport de la géomorphologie et de la paléosismologie." Thesis, Montpellier, 2016. http://www.theses.fr/2016MONTT142/document.

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La chaîne Himalayenne est l'un des exemples les plus spectaculaires de déformation active à la surface de notre planète. Au cours des derniers siècles, de nombreux séismes majeurs (Mw > 7.5) ont affecté cette zone et le lourd bilan humain du séisme de Gorkha en 2015 a une nouvelle fois rappelé l’importance de parvenir à mieux estimer l’aléa sismique de cette région. Bien que les structures lithologiques et tectoniques semblent montrer au premier ordre une cylindricité le long des 2500 km de l'arc Himalayen, de nombreuses études, menées principalement au Népal, ont permis de mettre en éviden

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Padilla-Llano, David Alberto. "A Framework for Cyclic Simulation of Thin-Walled Cold-Formed Steel Members in Structural Systems." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/52904.

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The objective of this research is to create a computationally efficient seismic analysis framework for cold-formed steel (CFS) framed-buildings supported by hysteretic nonlinear models for CFS members and screw-fastened connections. Design of CFS structures subjected to lateral seismic forces traditionally relies on the strength of subassemblies subjected to lateral loading of systems, such as strapped/sheathed shear walls and diaphragms, to provide adequate protection against collapse. Enabling performance-based seismic design of CFS buildings requires computationally efficient and accurate m

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Donniol, Jouve Bénédicte. "Vers l'intégration des taux de déformation dans les modèles de source PSHA en Europe : test de la compatibilité entre les taux de moment sismique et géodésique." Electronic Thesis or Diss., Université Grenoble Alpes, 2024. http://www.theses.fr/2024GRALU006.

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La plupart des réglementations sismiques nationales et internationales exigent la quantification de l'aléa sismique en se basant sur des méthodes d'évaluation probabiliste (PSHA). Le PSHA fournit aux autorités une base et une référence à partir desquelles les mouvements du sol sont être pris en compte pour la conception parasismique. La connaissance des sources et des magnitudes susceptibles de se produire doit être interprétée en termes de probabilités d'occurrence sur des fenêtres temporelles futures (modèle de source). Le modèle de source est combiné à un modèle de mouvement du sol pour dét

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Piedrafita, Francos Daniel. "Designing, testing and modelling two innovative non-conventional buckling restrained braces for seismic resistant buildings." Doctoral thesis, Universitat de Girona, 2014. http://hdl.handle.net/10803/284738.

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In this thesis two all-steel BRB have been designed, manufactured and tested, and both satisfy the testing protocols required by EU and US codes. They are composed of a steel slotted restraining unit which stabilizes the steel core. The first one, the Modular Buckling Restrained Brace (MBRB), is composed by several seriated modules which contain several dissipation units connected in parallel, which yield under shear forces. Although it has good hysteretic response and a high ductility, its core is heavy and expensive to manufacture. The second one,the Slotted Buckling Restraining Brace (SBRB)

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Bernardi, Martina. "Industrial steel storage racks subjected to static and seismic actions: an experimental and numerical study." Doctoral thesis, Università degli studi di Trento, 2021. http://hdl.handle.net/11572/322402.

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Industrial steel storage racks are pre-engineered lightweight structures commonly used to store goods from supermarkets to big warehouses. These systems are framed structures, usually made of cold-formed steel profiles and characterised by non-standard details. Their performance is quite complex and the prediction of their global response is more difficult than for the traditional steel frames. This difficulty is due to the racks’ main features: the use of cold-formed thin-walled steel sections which are sensitive to different buckling modes, the presence of regular perforation patterns on the

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