Academic literature on the topic 'Seismic cycles'

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Journal articles on the topic "Seismic cycles"

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Cui, Fengkun, Linlin Song, Xingyu Wang, et al. "Seismic Fragility Analysis of the Aging RC Columns under the Combined Action of Freeze–Thaw Cycles and Chloride-Induced Corrosion." Buildings 12, no. 12 (2022): 2223. http://dx.doi.org/10.3390/buildings12122223.

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The combined action of freeze–thaw cycles and chloride-induced corrosion are generally recognized as one of the main causes of the degradation of the mechanical properties and seismic performance of reinforced concrete (RC) structures in the northern frozen coastal regions. To investigate the degradation mechanisms of the seismic performance of RC columns subjected to the combined action of freeze–thaw cycles and chloride-induced corrosion, the impact of freeze–thaw cycles on the chloride diffusion coefficient of concrete was studied through concrete deterioration tests and theoretical analysi
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Cui, Fengkun, Guangzhu Guan, Long Cui, Mian Li, Shuwen Deng, and Huihui Li. "Seismic Fragility Assessment of RC Columns Exposed to the Freeze-Thaw Damage." Buildings 13, no. 1 (2023): 126. http://dx.doi.org/10.3390/buildings13010126.

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Freeze–thaw damage is one of the primary causes deteriorating the seismic resistance of reinforced concrete (RC) structures. This paper proposed a freeze–thaw damage deterioration model for C30 concrete, and it can be employed to study the time-varying seismic performance of aging RC columns. Next, this study developed a seismic fragility analysis framework for deteriorating RC columns considering the effect of freeze–thaw damage. Considering the geometric parameters of the case-study bridge, the deterioration characteristics of material, and the uncertainties involved in structural modeling a
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Muratalieva, Zhazgul, and Aiymjan Omuralieva. "Monitoring the dynamics of seismicity within the Kemin-Chilik zone, generating M≥8 earthquakes." Russian Journal of Seismology 2, no. 4 (2020): 51–62. http://dx.doi.org/10.35540/2686-7907.2020.4.05.

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The dynamics of seismic processes at the junction of the Tien Shan mountain building area and the Kazakh shield is presented in the paper. It is noted that the Tien Shan’s lithosphere over thrusts the Kazakh Shield’s lithosphere, and the Kazakh Shield’s lithosphere under thrusts beneath the Tien Shan’s lithosphere based on the seismic tomographic and seismotectonic data. Low-velocity heterogeneity is distinguished at the junction of these lithospheres, under where a low-velocity anomaly flow is assumed in the mantle. Marginal (active structures of the Ili basin, Zaili mountain range), and midd
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Malhotra, Praveen K., Paul E. Senseny, Antonio C. Braga, and Roger L. Allard. "Testing Sprinkler-Pipe Seismic-Brace Components." Earthquake Spectra 19, no. 1 (2003): 87–109. http://dx.doi.org/10.1193/1.1543160.

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The design codes and standards (e.g., UBC, IBC, NFPA-13) estimate the amplitude of the seismic load in sprinkler-pipe braces, but they do not specify the number of cycles for which this load must be resisted by various components of pipe braces. Because the components can fail in low-cycle fatigue, the number of load cycles must be considered in establishing the strength of the brace components. The first part of this study deals with determining the number of cycles for which a component must resist its rated capacity. Strong-motion records from 18 strongly shaken buildings were incorporated
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Wu, Jieqiong, Jian Zhang, Bo Diao, Shaohong Cheng, and Yinghua Ye. "Hysteretic Behavior of Eccentrically Loaded Reinforced Air-Entrained Concrete Columns under Combined Effects of Freeze-Thaw Cycles and Seawater Corrosion." Advances in Civil Engineering 2018 (July 19, 2018): 1–10. http://dx.doi.org/10.1155/2018/3931791.

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Besides service loads, reinforced concrete structures in cold coastal seismic regions are subjected to multiple attacks of freeze-thaw cycles and seawater corrosion as well as the earthquake struck. An experimental study was conducted to investigate the seismic response of eccentrically loaded reinforced air-entrained concrete columns under alternative actions of freeze-thaw cycles and chloride corrosion. Results show that, after 300 times of freeze-thaw cycles alternated with 100 times of seawater immersion, the hysteretic behavior of the eccentrically loaded columns manifested an apparent as
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Viete, Daniel R., Bradley R. Hacker, Mark B. Allen, et al. "Metamorphic records of multiple seismic cycles during subduction." Science Advances 4, no. 3 (2018): eaaq0234. http://dx.doi.org/10.1126/sciadv.aaq0234.

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Gandelli, Emanuele, Dario De Domenico, and Virginio Quaglini. "Cyclic engagement of hysteretic steel dampers in braced buildings: a parametric investigation." Bulletin of Earthquake Engineering 19, no. 12 (2021): 5219–51. http://dx.doi.org/10.1007/s10518-021-01156-3.

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AbstractHysteretic steel dampers have been effectively used to improve the seismic performance of framed buildings by confining the dissipation of seismic energy into sacrifical, replaceable devices which are not part of the gravity framing system. The number of cycles sustained by the dampers during the earthquake is a primary design parameter, since it can be associated to low-cycle fatigue, with ensuing degradation of the mechanical properties and potential failure of the system. Current standards, like e.g. the European code EN 15129, indeed prescribe, for the initial qualification and the
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Wang, Fred P., Jiachun Dai, and Charles Kerans. "Modeling dolomitized carbonate‐ramp reservoirs: A case study of the Seminole San Andres unit—Part II, Seismic modeling, reservoir geostatistics, and reservoir simulation." GEOPHYSICS 63, no. 6 (1998): 1876–84. http://dx.doi.org/10.1190/1.1444480.

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In part I of this paper, we discussed the rock‐fabric/petrophysical classes for dolomitized carbonate‐ramp rocks, the effects of rock fabric and pore type on petrophysical properties, petrophysical models for analyzing wireline logs, the critical scales for defining geologic framework, and 3-D geologic modeling. Part II focuses on geophysical and engineering characterizations, including seismic modeling, reservoir geostatistics, stochastic modeling, and reservoir simulation. Synthetic seismograms of 30 to 200 Hz were generated to study the level of seismic resolution required to capture the hi
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Kwiatek, Grzegorz, T. H. W. Goebel, and Georg Dresen. "Seismic moment tensor andbvalue variations over successive seismic cycles in laboratory stick-slip experiments." Geophysical Research Letters 41, no. 16 (2014): 5838–46. http://dx.doi.org/10.1002/2014gl060159.

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Omurbek kyzy, Kanyshai, and Mederbek Omuraliev. "Seismic monitoring of explosions in the Central site of the Kumtor deposit, Tien Shan." Russian Journal of Seismology 2, no. 4 (2020): 83–99. http://dx.doi.org/10.35540/2686-7907.2020.4.08.

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Seismic monitoring of explosions was carried out at the local area of the Central site of the Kumtor deposit for January 2017 - January 2018. Velocities of seismic longitudinal and transverse waves, their ratios (VP, VS, VP/VS), maximum amplitudes and their ratios (AP, AS, AS/AP) were studied, and average values with standard deviation values were determined, and hierarchies of cycles are distinguished in their variations in time. It is noted that the ratios of VP, VS, VP/VS reflect the state of the crust medium, small values of VP, VS, VP/VS express possible manifestation of fluids, and large
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Dissertations / Theses on the topic "Seismic cycles"

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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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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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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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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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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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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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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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Books on the topic "Seismic cycles"

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Dal Zilio, Luca. Cross-Scale Modeling of Mountain Building and the Seismic Cycle: From Alps to Himalaya. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-28991-1.

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Oda, Juntarō. Seishin iryō ni hōmurareta hitobito: Sennyū rupo shakaiteki nyūin. Kōbunsha, 2011.

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Rolandone, Frederique. Seismic Cycle: From Observation to Modeling. Wiley & Sons, Incorporated, John, 2022.

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Rolandone, Frederique. Seismic Cycle: From Observation to Modeling. Wiley & Sons, Incorporated, John, 2022.

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Rolandone, Frederique. Seismic Cycle: From Observation to Modeling. Wiley & Sons, Incorporated, John, 2022.

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Seismic Cycle: From Observation to Modeling. Wiley & Sons, Incorporated, John, 2022.

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Marfurt, Kurt J. Seismic Attributes As the Framework for Data Integration Throughout the Oilfield Life Cycle. Society of Exploration Geophysicists, 2018.

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Zilio, Luca Dal. Cross-Scale Modeling of Mountain Building and the Seismic Cycle: From Alps to Himalaya. Springer, 2019.

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Book chapters on the topic "Seismic cycles"

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Zhang, Fan, Kun Zhang, Zheng Liu, and Yi Xie. "Mechanical properties and fracture failure law of single fracture marble under cyclic loading after freeze-thaw cycles." In Building Seismic Monitoring and Detection Technology. CRC Press, 2023. http://dx.doi.org/10.1201/9781003409564-15.

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Li, Jian, Yuzai Zhou, Jian Hong, Guangbo Wang, Shiyao Liu, and Chengxiang Xu. "Tensile damage mechanism of chemical anchor bolt groups in buildings after freeze-thaw cycles." In Building Seismic Monitoring and Detection Technology. CRC Press, 2023. http://dx.doi.org/10.1201/9781003409564-59.

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Sammis, Charles G., and Stewart W. Smith. "Seismic Cycles and the Evolution of Stress Correlation in Cellular Automaton Models of Finite Fault Networks." In Seismicity Patterns, their Statistical Significance and Physical Meaning. Birkhäuser Basel, 1999. http://dx.doi.org/10.1007/978-3-0348-8677-2_6.

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Evensen, Geir, Femke C. Vossepoel, and Peter Jan van Leeuwen. "Particle Filter for Seismic-Cycle Estimation." In Springer Textbooks in Earth Sciences, Geography and Environment. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-96709-3_19.

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AbstractThe particle filter is an effective data-assimilation method for low-dimensional, nonlinear systems. It is easy to implement, and it is straightforward to include model error, parameters, and controls in the state vector. This chapter demonstrates the use of a particle filter in the case of a parameter bias.
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Ma, Xiaofei, Yinquan Yu, and Zhe Wang. "Structural Seismic Performance of Prefabricated Steel Plate Shear Wall with High Energy Dissipation." In Advances in Frontier Research on Engineering Structures. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8657-4_43.

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AbstractChina is located at the intersection of the Pacific Rim seismic belt and the Alpine Mountain-Himalayan seismic belt. Earthquakes occur frequently and with high intensity in China, and the structural damage caused by earthquakes leads to huge casualties and serious economic losses. Steel plate shear wall exhibits satisfying seismic performance which is the key to its application in high-rise buildings and high intensity areas. Meanwhile, the industrialization of new construction requires prefabricated steel plate shear wall structure. In this paper, a kind of prefabricated steel plate shear wall with high energy dissipation is proposed. The finite element study on the seismic performance of the prefabricated steel plate shear wall under low cyclic load was carried out by varying the width-to-thickness ratio of steel connecting plate belt and width-to-thickness ratio of ring damper. The failure modes, hysteresis curves, skeleton curves, stiffness degradation, energy dissipation and displacement ductility coefficients were analyzed. The results showed that the hysteretic curves of the prefabricated steel plate shear wall are relatively full under low cyclic load, and the displacement ductility coefficients are above 8. It is noted that the seismic performance of the prefabricated steel plate shear wall is advantageous. It is suggested that width-to-thickness ratio of the steel connecting plate belt and the width-to-thickness ratio of the ring damper are 3.75 for engineering practice.
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Salonikios, T., I. Tegos, A. Kappos, and G. Penelis. "Cyclic shear behaviour of low slenderness RC walls." In European Seismic Design Practice. Routledge, 2022. http://dx.doi.org/10.1201/9780203756492-45.

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Karayannis, C. G., K. K. Sideris, and C. M. Economou. "Response of repaired RC exterior joints under cyclic loading." In European Seismic Design Practice. Routledge, 2022. http://dx.doi.org/10.1201/9780203756492-44.

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Wang, Yuzheng. "Example of Seismic Performance-based Design of Highway Monitoring Building in High Seismic Intensity Area." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. https://doi.org/10.1007/978-981-97-6238-5_49.

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AbstractWith the technological development of resilient city and intelligent transportation, since the terminal equipment of real-time monitoring and safety monitoring system for lifeline projects is usually set up in highway monitoring halls, more and more highway monitoring centers in China's seismic high intensity areas assume the important function of emergency command centers after earthquakes. In order to ensure that the monitoring and surveillance equipment can operate normally during an earthquake, this paper puts forward a proposal to adopt seismic isolation technology for the monitoring center, and gives the performance objectives and quantitative indexes based on performance-based seismic design. Through the finite element numerical simulation and nonlinear time course analysis of engineering examples, the results show that: the inter-story shear force, inter-story displacement, floor acceleration and other dynamic response indexes are greatly reduced compared with the pre-seismic isolation, which can realize the setup goal of monitoring and controlling the building for uninterrupted use in earthquakes and assuming the function of emergency rescue and command, and effectively verifies the reasonableness of the performance goals set in this paper. At the same time, from the perspective of the whole life cycle of building and equipment maintenance, the use of seismic isolation design can also save costs. The research content of this paper provides a theoretical basis for the feasibility of promoting seismic isolation structures in the field of highway monitoring buildings.
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Aiello, Maria Antonietta, and Luciano Ombres. "Ductility values of steel members in presence of cyclic actions." In European Seismic Design Practice. Routledge, 2022. http://dx.doi.org/10.1201/9780203756492-91.

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Matsuzaki, H. "Seismic damage control of bridges with deteriorated seismic isolation bearings by rupture of anchor bolts." In Life-Cycle of Structures and Infrastructure Systems. CRC Press, 2023. http://dx.doi.org/10.1201/9781003323020-110.

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Conference papers on the topic "Seismic cycles"

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Müller, Paul, Christian Schuler, and Geralt Siebert. "Seismic Performance of Structural Glazing Connections Under Low Cycle Fatigue Loading: A Study on Alternative Joint Geometries." In IABSE Symposium, Tokyo 2025: Environmentally Friendly Technologies and Structures: Focusing on Sustainable Approaches. International Association for Bridge and Structural Engineering (IABSE), 2025. https://doi.org/10.2749/tokyo.2025.1033.

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<p>In addition to static loads, structural glazing joints in glass and facade construction in many regions are subject to extraordinary loads such as earthquakes. Seismic actions are characterized by a ran- domly recurring and dynamic load that affects the structural behavior of the viscoelastic material. Publications on the structural performance and design of structural glazing joints against seismic loads have not systematically considered these effects.</p><p>In order to systematically analyze important parameters influencing the performance of structural glazing connecti
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Ortiz, Giannina, Gustavo Rojas, and Gerardo Paez. "Metodología para la conservación de puentes que permitan avanzar hacia estructuras resilientes." In IABSE Congress, San José 2024: Beyond Structural Engineering in a Changing World. International Association for Bridge and Structural Engineering (IABSE), 2024. https://doi.org/10.2749/sanjose.2024.0259.

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<p>Road infrastructure performance is of paramount importance in terms of competitiveness indices for any country, with bridges usually being one of the most vulnerable elements within the infrastructure network. In asset management cycles, bridge assessment methodologies have typically been limited to a damage exposure.</p><p>Investment in bridge-infrastructure normally depends on public investments, which usually address immediate damages but rarely emphasize in their causes. Therefore, interventions seldom linger over time.</p><p>On the other hand, the generati
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Caner, Alp, and Debra Moolin. "Integration of Seismic Vulnerabilities into Bridge Asset Management." In IABSE Symposium, Tokyo 2025: Environmentally Friendly Technologies and Structures: Focusing on Sustainable Approaches. International Association for Bridge and Structural Engineering (IABSE), 2025. https://doi.org/10.2749/tokyo.2025.0483.

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<p>A bridge asset management system generally includes inventory data, inspection records, monitoring information, condition assessments, life cycle cost analyses, and prioritization of needs for bridges under operation. However, there are few studies that incorporate the seismic vulnerabilities of bridges into these management systems. The seismic vulnerabilities of a structure are primarily influenced by factors such as the seismic zone, soil type, anticipated ground motion during the bridge’s remaining lifespan, and the predicted condition of the bridge during a seismic event. This pa
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Zhao, Wangwen, Richard Turner, and Jian Liang. "Strain Based Failure Assessment for Offshore Structures Under Seismic Loading." In ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/omae2008-57008.

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Under seismic loading, structural hot spots can experience very high levels of stress and many random stress reversals. Conventional stress based methods cannot assess the failure state in detail when stress is beyond the elastic limit and nominal stress reversals are more than double the yield stress. A method has been created to fully reproduce the true stress/ strain history by using 1) generalised Masing’s rule with equivalent cyclic energy dissipation to model cyclic stress/strain relation, 2) Neuber’s method to calculate inelastic strain concentration factor, and 3) relative effective no
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Lowrie, A., and K. S. Hoffman. "Neogene Third And Fourth-Order Seismic Cycles In Louisiana Offshore." In Offshore Technology Conference. Offshore Technology Conference, 1988. http://dx.doi.org/10.4043/5716-ms.

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Kumar, Rajive, T. Al-Mutairi, P. Bansal, et al. "Connecting the Dots between Geology and Seismic to Mitigate Drilling Risks: Mapping & Characterization of the High Pressure High Temperature Gotnia Formation in Kuwait." In Abu Dhabi International Petroleum Exhibition & Conference. SPE, 2021. http://dx.doi.org/10.2118/207452-ms.

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Abstract As Kuwait focuses on developing the deep Jurassic reservoirs, the Gotnia Formation presents significant drilling challenges. It is the regional seal, consisting of alternating Salt and Anhydrite cycles, with over-pressured carbonate streaks, which are also targets for future exploration. The objective of this study was to unravel the Gotnia architecture, through detailed mapping of the intermediate cycles, mitigating drilling risks and characterizing the carbonate reservoirs. A combination of noise attenuation, bandwidth extension and seismic adaptive wavelet processing (SAWP)) was ap
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Zhou, Runze, Ikuo Kojima, Takuyo Kaida, and Hirokazu Tsuji. "FEM Analysis on Pressure Vessel Components Containing LTAs Against Seismic Load Using Combined Non-Linear Isotropic/Kinematic Hardening Model." In ASME 2013 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/pvp2013-97129.

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Fitness-for-service (FFS) assessments are quantitative engineering evaluations that perform to demonstrate the integrity of an in-service component that may contain a flaw or damage [1]. It can be used to make run-repair-replace decisions to help determine if pressured equipment containing flaw that have been identified by inspection can continue to operate safety for some period of time. This paper provides a FFS assessment on carbon steel pipe which contained a LTA (Local Thin Area) against seismic load by FEM (Finite Element Method) analysis. ABAQUS Ver. 6.10, which has the combined isotrop
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Mitsuya, Masaki, and Hiroshi Yatabe. "Cyclic Deformation and Buckling Behavior of Pipe With Local Metal Loss Subjected to Seismic Ground Motion." In ASME 2011 Pressure Vessels and Piping Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/pvp2011-57723.

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Buried pipelines may be deformed due to earthquakes and also corrode despite corrosion control measures such as protective coatings and cathodic protection. In such cases, it is necessary to ensure the integrity of the corroded pipelines against earthquakes. This study developed a method to evaluate the earthquake resistance of corroded pipelines subjected to seismic ground motions. Axial cyclic loading experiments were carried out on line pipes subjected to seismic motion to clarify the cyclic deformation behavior until buckling occurs. The test pipes were machined so that each one would have
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Kim, Dongoh, Seunghak Yoo, and Salvatore Di Simone. "Habshan Seismic Stratigraphy Framework to Reveal Stratigraphic Play Potential in Southeast Abu Dhabi, UAE." In ADIPEC. SPE, 2024. http://dx.doi.org/10.2118/222735-ms.

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Abstract The Lower Cretaceous (Berriasian to Valanginian) of Southeast Abu Dhabi, U.A.E. consists of a large carbonate platform system and the Habshan Formation is a major carbonate reservoir in the region, hosting significant hydrocarbon potential with more than 1,000 feet in reservoir thickness. The progressive nature and clinoform structures have been highlighted through many vintages of seismic imaging and previous stratigraphic studies. This underlines the necessity of understanding sequence stratigraphy to appreciate the variations and distribution of facies by the integration of all ava
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Azuma, Kisaburo, Keita Fujiwara, Satoru Kai, Akihito Otani, and Osamu Furuya. "Design Margins of Fatigue Life of Carbon Steel Elbows and Tees Subjected to Reversing Dynamic Loads." In ASME 2024 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/pvp2024-123304.

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Abstract Fatigue damage is a type of cumulative damage observed in piping systems. The fatigue damage is caused by various reversing dynamic loads including seismic loads. When the reversing dynamic loads produce plastic strain in each cycle, the loading cycles cause severe damage in the component, and thus the number of cycles to failure is relatively low. This type of failure due to the severe reversing load is called low-cycle fatigue. Past research revealed that some uncertainty is generally inevitable in predicting the number of cycles to low-cycle fatigue. Hence, it is of great importanc
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Reports on the topic "Seismic cycles"

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Kinikles, Dellena, and John McCartney. Hyperbolic Hydro-mechanical Model for Seismic Compression Prediction of Unsaturated Soils in the Funicular Regime. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2022. http://dx.doi.org/10.55461/yunw7668.

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A semi-empirical elasto-plastic constitutive model with a hyperbolic stress-strain curve was developed with the goal of predicting the seismic compression of unsaturated sands in the funicular regime of the soil-water retention curve (SWRC) during undrained cyclic shearing. Using a flow rule derived from energy considerations, the evolution in plastic volumetric strain (seismic compression) was predicted from the plastic shear strains of the hysteretic hyperbolic stress-strain curve. The plastic volumetric strains are used to predict the changes in degree of saturation from phase relationships
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Khosravifar, Arash. COMBINED EFFECTS OF LATERAL SPREADING AND SUPERSTRUCTURE INERTIA. Deep Foundations Institute, 2023. http://dx.doi.org/10.37308/cpf-2020-drsh-2.

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The seismic behavior of a RC pile with a diameter of 0.25 m subjected to liquefaction-induced lateral spreading was investigated using a shake table experiment that was conducted at the University of California, San Diego by Professor Ahmed Elgamal and Dr. Ahmed Ebeido (Ebeido and Elgamal 2019). A sinusoidal motion was applied at the base of a model that was inclined by 4 degrees. The loose and dense sand layers liquefied during the test, resulting in a permanent lateral spreading displacement of approximately 0.4 m (Figure E1). The pile was subjected to the combined effects of inertial loads
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Ko, Yu-Fu, and Jessica Gonzalez. Effects of Low-Cycle Fatigue Fracture of Longitudinal Reinforcing Steel Bars on the Seismic Performance of Reinforced Concrete Bridge Piers. Mineta Transportation Institute, 2024. http://dx.doi.org/10.31979/mti.2024.2328.

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Earthquakes, which can cause tremendous local stress and strain on infrastructure, can cause reinforced concrete (RC) bridges to collapse due to the concrete cracking and fracture of the steel reinforcement rebars. The fracture of longitudinal reinforcing steel due to low-cycle fatigue is one of the main causes of failure in RC structures under earthquake loading. The purpose of this research is to include the effects of low-cycle fatigue fracture of longitudinal reinforcing steel bars on the seismic performance of reinforced concrete bridge piers. To obtain a greater understanding of low-cycl
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Briggs, Nicholas E., and Jerome F. Hajjar. Cyclic Seismic Behavior of Concrete-filled Steel Deck Diaphragms. Department of Civil and Environmental Engineering, Northeastern University, 2023. http://dx.doi.org/10.17760/d20593269.

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Earthquake disasters in the United States account for $6.1 billion of economic losses each year, much of which is directly linked to infrastructure damage. These natural disasters are unpredictable and represent one of the most difficult design problems regarding constructing resilient infrastructure. Structural floor and roof diaphragms act as the horizontal portion of the lateral force resisting system (LFRS), distributing the seismically derived inertial loads out from the heavy concrete slabs to the vertical LFRS. Concrete-filled steel deck diaphragms are ubiquitously used in steel constru
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Ko, Yu-Fu, and Jessica Gonzalez. Fiber-Based Seismic Damage and Collapse Assessment of Reinforced Concrete Single-Column Pier-Supported Bridges Using Damage Indices. Mineta Transportation Institute, 2023. http://dx.doi.org/10.31979/mti.2023.2241.

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Near-fault earthquakes can have major effects on transportation systems due to the structural damage they impose on bridges. Therefore, it is imperative to assess the seismic damage of bridges appropriately, and this research focuses on reinforced concrete (RC) bridges. This research advances the seismic performance assessment of RC single-column pier-supported bridges with flexural failure under near-fault ground motion by use of ductility coefficients and damage indices. The methodology included modeling fiber-based nonlinear beam-column elements to simulate the damage development process of
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Schiller, Brandon, Tara Hutchinson, and Kelly Cobeen. Cripple Wall Small-Component Test Program: Dry Specimens (PEER-CEA Project). Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2020. http://dx.doi.org/10.55461/vsjs5869.

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This report is one of a series of reports documenting the methods and findings of a multi-year, multi-disciplinary project coordinated by the Pacific Earthquake Engineering Research Center (PEER) and funded by the California Earthquake Authority (CEA). The overall project is titled “Quantifying the Performance of Retrofit of Cripple Walls and Sill Anchorage in Single-Family Wood-Frame Buildings,” henceforth referred to as the “PEER–CEA Project.” The overall objective of the PEER–CEA Project is to provide scientifically based information (e.g., testing, analysis, and resulting loss models) that
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Mazzoni, Silvia, Nicholas Gregor, Linda Al Atik, Yousef Bozorgnia, David Welch, and Gregory Deierlein. Probabilistic Seismic Hazard Analysis and Selecting and Scaling of Ground-Motion Records (PEER-CEA Project). Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2020. http://dx.doi.org/10.55461/zjdn7385.

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This report is one of a series of reports documenting the methods and findings of a multi-year, multi-disciplinary project coordinated by the Pacific Earthquake Engineering Research Center (PEER) and funded by the California Earthquake Authority (CEA). The overall project is titled “Quantifying the Performance of Retrofit of Cripple Walls and Sill Anchorage in Single-Family Wood-Frame Buildings,” henceforth referred to as the “PEER–CEA Project.” The overall objective of the PEER–CEA Project is to provide scientifically based information (e.g., testing, analysis, and resulting loss models) that
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Schiller, Brandon, Tara Hutchinson, and Kelly Cobeen. Cripple Wall Small-Component - Test Program: Comparisons (PEER-CEA Project). Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2020. http://dx.doi.org/10.55461/lohh5109.

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This report is one of a series of reports documenting the methods and findings of a multi-year, multi-disciplinary project coordinated by the Pacific Earthquake Engineering Research Center (PEER) and funded by the California Earthquake Authority (CEA). The overall project is titled “Quantifying the Performance of Retrofit of Cripple Walls and Sill Anchorage in Single-Family Wood-Frame Buildings,” henceforth referred to as the “PEER–CEA Project.” The overall objective of the PEER–CEA Project is to provide scientifically based information (e.g., testing, analysis, and resulting loss models) that
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Schiller, Brandon, Tara Hutchinson, and Kelly Cobeen. Cripple Wall Small-Component Test Program: Wet Specimens II (PEER-CEA Project). Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2020. http://dx.doi.org/10.55461/ldbn4070.

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This report is one of a series of reports documenting the methods and findings of a multi-year, multi-disciplinary project coordinated by the Pacific Earthquake Engineering Research Center (PEER and funded by the California Earthquake Authority (CEA). The overall project is titled “Quantifying the Performance of Retrofit of Cripple Walls and Sill Anchorage in Single-Family Wood-Frame Buildings,” henceforth referred to as the “PEER–CEA Project.” The overall objective of the PEER–CEA Project is to provide scientifically based information (e.g., testing, analysis, and resulting loss models) that
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Reis, Evan. Development of Index Buildings, (PEER-CEA Project). Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2020. http://dx.doi.org/10.55461/fudb2072.

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This report is one of a series of reports documenting the methods and findings of a multi-year, multi-disciplinary project coordinated by the Pacific Earthquake Engineering Research Center (PEER and funded by the California Earthquake Authority (CEA). The overall project is titled “Quantifying the Performance of Retrofit of Cripple Walls and Sill Anchorage in Single-Family Wood-Frame Buildings,” henceforth referred to as the “PEER–CEA Project.” The overall objective of the PEER–CEA Project is to provide scientifically based information (e.g., testing, analysis, and resulting loss models) that
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