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Gotowe bibliografie tematyczne / Seismic coefficients

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Gotowa bibliografia na temat „Seismic coefficients”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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Artykuły w czasopismach na temat "Seismic coefficients"

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Khan, Muhammad Israr, and Shuhong Wang. "SEISMIC ANALYSIS OF A SOIL SLOPE TO DEVELOP CORRELATIONS FOR FACTOR OF SAFETY CONSIDERING HORIZONTAL AND VERTICAL SEISMIC COEFFICIENTS." Engineering Heritage Journal 4, no. 2 (2020): 27–30. http://dx.doi.org/10.26480/gwk.02.2020.27.30.

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Seismic analysis of soil slopes is required to get safe value for slope design. Especially in earthquake zones. Normally a variation in factor of safety values is observed in normal analysis of a slope where seismic coefficients are kept zero as compare to seismic analysis where seismic coefficients are considered in the analysis. In this research, seismic horizontal coefficients are used to find the factors of safety. Correlations are developed between factor of safety values and seismic coefficients. The correlation can be used to find the factor of safety in any slope stability project for

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Painter, Scott, Greg Beresford, and Lincoln Paterson. "On the distribution of seismic reflection coefficients and seismic amplitudes." GEOPHYSICS 60, no. 4 (1995): 1187–94. http://dx.doi.org/10.1190/1.1443847.

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Reflection coefficient sequences from 14 wells in Australia have a statistical character consistent with a non‐Gaussian scaling noise model based on the Lévy‐stable family of probability distributions. Experimental histograms of reflection coefficients are accurately approximated by symmetric Lévy‐stable probability density functions with Lévy index between 0.99 and 1.43. These distributions have the same canonical role in mathematical statistics as the Gaussian distribution, but they have slowly decaying tails and infinite moments. The distribution of reflection coefficients is independent of

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Dakoulas, Panos, and George Gazetas. "Seismic shear strains and seismic coefficients in dams and embankments." Soil Dynamics and Earthquake Engineering 5, no. 2 (1986): 75–83. http://dx.doi.org/10.1016/0267-7261(86)90001-1.

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Zembaty, Zbigniew. "Spatial Seismic Coefficients, Some Sensitivity Results." Journal of Engineering Mechanics 122, no. 4 (1996): 379–82. http://dx.doi.org/10.1061/(asce)0733-9399(1996)122:4(379).

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Skopintseva, Lyubov, Milana Ayzenberg, Martin Landrø, Tatyana Nefedkina, and Arkady M. Aizenberg. "Long-offset AVO inversion of PP reflections from plane interfaces using effective reflection coefficients." GEOPHYSICS 76, no. 6 (2011): C65—C79. http://dx.doi.org/10.1190/geo2010-0079.1.

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A conventional amplitude variation with offset (AVO) inversion is based on geometrical seismics which exploit plane-wave reflection coefficients to describe the reflection phenomenon. Widely exploited linearizations of plane-wave coefficients are mostly valid at pre-critical offsets for media with almost flat and weak-contrast interfaces. Existing linearizations do not account for the seismic frequency range by ignoring the frequency content of the wavelet, which is a strong assumption. Plane-wave reflection coefficients do not fully describe the reflection of seismic waves at near-critical an

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Choudhury, Deepankar, and K. S. Subba Rao. "Seismic passive resistance in soils for negative wall friction." Canadian Geotechnical Journal 39, no. 4 (2002): 971–81. http://dx.doi.org/10.1139/t02-023.

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In the presence of pseudo-static seismic forces, passive earth pressure coefficients behind retaining walls were generated using the limit equilibrium method of analysis for the negative wall friction angle case (i.e., the wall moves upwards relative to the backfill) with logarithmic spirals as rupture surfaces. Individual density, surcharge, and cohesion components were computed to obtain the total minimum seismic passive resistance in soils by adding together the individual minimum components. The effect of variation in wall batter angle, ground slope, wall friction angle, soil friction angl

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Robinson, Enders A. "Seismic time‐invariant convolutional model." GEOPHYSICS 50, no. 12 (1985): 2742–51. http://dx.doi.org/10.1190/1.1441894.

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A layered‐earth seismic model is subdivided into two subsystems. The upper subsystem can have any sequence of reflection coefficients but the lower subsystem has a sequence of reflection coefficients which are small in magnitude and have the characteristics of random white noise. It is shown that if an arbitrary wavelet is the input to the lower lithologic section, the same wavelet convolved with the white sequence of reflection coefficients will be the reflected output. That is, a white sedimentary system passes a wavelet in reflection as a linear time‐invariant filter with impulse response g

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Liang, Chen, John Castagna, and Marcelo Benabentos. "Reflectivity decomposition: Theory and application." Interpretation 9, no. 2 (2021): B7—B23. http://dx.doi.org/10.1190/int-2020-0203.1.

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Sparse reflectivity inversion of processed reflection seismic data is intended to produce reflection coefficients that represent boundaries between geologic layers. However, the objective function for sparse inversion is usually dominated by large reflection coefficients, which may result in unstable inversion for weak events, especially those interfering with strong reflections. We have determined that any seismogram can be decomposed according to the characteristics of the inverted reflection coefficients that can be sorted and subset by magnitude, sign, and sequence, and new seismic traces

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Huang, Yaping, Hanyong Bao, and Xuemei Qi. "Seismic Random Noise Attenuation Method Based on Variational Mode Decomposition and Correlation Coefficients." Electronics 7, no. 11 (2018): 280. http://dx.doi.org/10.3390/electronics7110280.

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Seismic data is easily affected by random noise during field data acquisition. Therefore, random noise attenuation plays an important role in seismic data processing and interpretation. According to decomposition characteristics of seismic signals by using variational mode decomposition (VMD) and the constraint conditions of correlation coefficients, this paper puts forward a method for random noise attenuation in seismic data, which is called variational mode decomposition correlation coefficients VMDC. Firstly, the original signals were decomposed into intrinsic mode functions (IMFs) with di

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Arntsen, Børge, and Bjørn Ursin. "Estimation of reflection coefficients from zero‐offset field data." GEOPHYSICS 58, no. 11 (1993): 1634–45. http://dx.doi.org/10.1190/1.1443379.

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The classical one‐dimensional (1-D) inverse problem consists of estimating reflection coefficients from surface seismic data using the 1-D wave equation. Several authors have found stable solutions to this problem using least‐squares model‐fitting methods. We show that the application of these plane‐wave solutions to seismic data generated with a point source can lead to errors in estimating reflection coefficients. This difficulty is avoided by using a least‐squares model fitting scheme describing vertically traveling waves originating from a point source. It is shown that this method is roug

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Rozprawy doktorskie na temat "Seismic coefficients"

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Knapp, Jennifer M. "Geology-based site coefficients for the Upper Mississippi Embayment." Thesis, Georgia Institute of Technology, 2003. http://hdl.handle.net/1853/21000.

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Sahoo, Pragyan Pradatta. "Analytical and numerical investigations of soil slopes subjected to seismic loadings." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2019. https://ro.ecu.edu.au/theses/2260.

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Seismic slope stability is one of the critical areas in the field of earthquake geotechnical engineering in view of catastrophic geohazards. Over the years, significant advances have been made in the methodologies of slope stability analysis subjected to seismic loadings. The seismic stability analysis of the slopes is influenced by various factors, and therefore, a complete seismic slope stability analysis must account the soil properties, geological parameters, slope geometry and loading to eliminate the susceptibility of slope failures. A detailed review of the literature shows that several

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Grosfeld, Valeria Silvina. "Coeficientes de reflexão elasticos : analise e aplicações." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/263338.

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Orientador: Lucio Tunes Dos Santos<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica e Instituto de Geociências<br>Made available in DSpace on 2018-08-11T01:05:43Z (GMT). No. of bitstreams: 1 Grosfeld_Valeria_D.pdf: 2985169 bytes, checksum: 82ddf2042ee5ce573f870e3deebfa469 (MD5) Previous issue date: 2007<br>Resumo: Neste trabalho estudamos os coeficientes de reflexão RPP e RPS para ondas elásticas. Introduzimos uma nova aproximação tipo impedância para o coeficiente RPS, baseados no êxito deste tipo de aproximações para o RPP na região de ângulos críti

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Motamed, Maryam. "Effects of Site Response on the Correlation Structure of Ground Motion Residuals." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/25333.

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Seismic hazard analyses require an estimate of earthquake ground motions from future events. These predictions are achieved through Ground Motion Prediction Equations, which include a prediction of the median and the standard deviation of ground motion parameters. The differences between observed and predicted ground motions, when normalized by the standard deviation, are referred to as epsilon (𝜖). For spectral accelerations, the correlation structure of normalized residuals across oscillator periods is important for guiding ground motion selection. Correlation structures for large global dat

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Aretusini, Stefano. "Frictional processes of clay-rich gouges at seismic slip rates." Thesis, University of Manchester, 2018. https://www.research.manchester.ac.uk/portal/en/theses/frictional-processes-of-clayrich-gouges-at-seismic-slip-rates(1d6fca4a-86d2-4139-a431-f1e24d8ede8a).html.

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Smectite clay minerals are among the most common minerals in subduction zone megathrusts faults at shallow depth and in landslide decollements. Consequently, deformation processes at seismic slip rates (ca. 1 m/s) in smectites contribute to control the mechanics of megathrust earthquakes and landslide collapses. To investigate the deformation processes, rotary shear experiments on smectite-rich gouge layers (70/30 wt.% Ca-montmorillonite/opal) were performed. The experiments were conducted at ambient temperature and at 5 MPa normal stress. The gouges were sheared under vacuum (<0.001 mbar)

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Derenne, Sylvie. "Contribution a l'etude des proprietes physiques de mineraux du manteau inferieur." Paris 6, 1988. http://www.theses.fr/1988PA066281.

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Etude de petrologie experimentale sur les transformations a hautes pressions et hautes temperatures, de silicates et de germanates a structure olicine et pyroxene. Il a ete determine en fonction de la pression et de la temperature, la distribution du magnesium, du fer et du calcium entre mineraux mantelliques. Un modele thermodynamique coherent est construit et a permis de determiner le champ de stabilite de la perovskite silicatee et de proposer une interpretation de la discontinuite sismique des 670 km. Des mecanismes microscopiques de transformations de phase de l'olivine sont proposes. De

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Zhang, Yuchen M. Eng Massachusetts Institute of Technology. "Application of maximal information coefficient and affinity propagation to characterizing seismic time series associated with earthquakes." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/111532.

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Thesis: M. Eng., Massachusetts Institute of Technology, Department of Civil and Environmental Engineering, 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 35-37).<br>Appropriate feature-based representations are significant for time series analysis and subsequent machine learning applications. A low-dimensional set of comprehensive features is instrumental to improving the efficiency and accuracy of classification. The main contribution of this work is to develop a new methodology to characterize seismic time series signals by extracting and selecti

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Kulkarni, Mandar S. "Multi-coefficient Dirichlet Neumann type elliptic inverse problems with application to reflection seismology." Birmingham, Ala. : University of Alabama at Birmingham, 2009. https://www.mhsl.uab.edu/dt/2010r/kulkarni.pdf.

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Thesis (Ph. D.)--University of Alabama at Birmingham, 2009.<br>Title from PDF t.p. (viewed July 21, 2010). Additional advisors: Thomas Jannett, Tsun-Zee Mai, S. S. Ravindran, Günter Stolz, Gilbert Weinstein. Includes bibliographical references (p. 59-64).

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Kessler, Samantha. "A study of the seismic response modification factor for log shear walls." Thesis, Manhattan, Kan. : Kansas State University, 2010. http://hdl.handle.net/2097/3909.

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Idir, Achour. "Justification du coefficient de comportement sismique des structures en béton armé par des approches statiques équivalentes." Châtenay-Malabry, Ecole centrale de Paris, 1997. http://www.theses.fr/1997ECAP0508.

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Le calcul des constructions vis-à-vis du séisme en prenant en compte la réponse élastique linéaire conduit le plus souvent à des dimensionnements qui ne vont pas dans le sens de l'économie. Afin de permettre à l'ingénieur de tenir compte des différentes non linéarités, la plupart des règlements modernes (règles françaises PS92, règles européennes EC8, etc. ) ont préconisé de réduire les forces issues d'un calcul élastique linéaire par un coefficient appelé : coefficient de comportement. Un logiciel d'évaluation automatique de ce coefficient a été établi, selon la méthode préconisée par les règ

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Książki na temat "Seismic coefficients"

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Rüger, Andreas. Reflection coefficients and azimuthal AVO analysis in anisotropic media. Society of Exploration Geophysicists, 2002.

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Części książek na temat "Seismic coefficients"

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Rosenblueth, Emilio, and José Manuel Jara. "Constant Versus Time Dependent Seismic Design Coefficients." In Lecture Notes in Engineering. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84362-4_27.

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Jílek, Petr. "Converted PS-wave Reflection Coefficients in Weakly Anisotropic Media." In Seismic Waves in Laterally Inhomogeneous Media. Birkhäuser Basel, 2002. http://dx.doi.org/10.1007/978-3-0348-8146-3_8.

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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 s

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Dixit, Jagabandhu, S. T. G. Raghukanth, and Sujit Kumar Dash. "Spatial Distribution of Seismic Site Coefficients for Guwahati City." In Geostatistical and Geospatial Approaches for the Characterization of Natural Resources in the Environment. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-18663-4_80.

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Islam, Md Rafiue, and Zahid Hossain. "Prediction of Seismic Site Coefficients for Northeast Arkansas (NEA)." In Resilient Design and Construction of Geostructures Against Natural Hazards. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-79854-3_2.

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Srivastava, Aman, Dhiraj Raj, and Yogendra Singh. "Seismic Earth Pressure Coefficients for Vertical Wall Using Force–Displacement Curves." In Lecture Notes in Civil Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-6564-3_70.

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Bartole, Dennis, Yao Ding, Gian Andrea Rassati, and James Swanson. "FEMA P-695 Verification of Seismic Design Coefficients for Mid-to-High-Rise Hybrid Coupled Core Wall Systems." In Lecture Notes in Civil Engineering. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-03811-2_115.

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Wang, Qi, and Shunzhong Yao. "Seismic Performance Analysis of Non-uniformly Corroded Reinforced Concrete Column Assembly Joints Strengthened with CFRP." In Novel Technology and Whole-Process Management in Prefabricated Building. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-5108-2_30.

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AbstractIn order to analyze the seismic behavior of non uniformly corroded reinforced concrete column assembly joints strengthened with CFRP. In this paper, one corroded and unreinforced RC column specimen and four corroded but CFRP Reinforced RC column specimens were fabricated. According to the hysteretic curve, the skeleton curve change and stiffness degradation of each specimen are analyzed, and the load displacement condition of the assembled joint is judged. According to the strain of the assembled joint of reinforced concrete column, the ductility, energy consumption and other propertie

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Erbe, Christine, Alec Duncan, and Kathleen J. Vigness-Raposa. "Introduction to Sound Propagation Under Water." In Exploring Animal Behavior Through Sound: Volume 1. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-97540-1_6.

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AbstractSound propagation under water is a complex process. Sound does not propagate along straight-line transmission paths. Rather, it reflects, refracts, and diffracts. It scatters off rough surfaces (such as the sea surface and the seafloor) and off reflectors within the water column (e.g., gas bubbles, fish swim bladders, and suspended particles). It is transmitted into the seafloor and partially lost from the water. It is converted into heat by exciting molecular vibrations. There are common misconceptions about sound propagation in water, such as “low-frequency sound does not propagate i

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li, Bin, and Wensheng Hou. "Analysis of the Impact of Earthquakes on the Stability of Overlying Fill Slopes." In Advances in Frontier Research on Engineering Structures. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8657-4_41.

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AbstractEarthquakes are one of the main factors causing landslides. In this paper, the author conducted a numerical simulation of an overlying fill slope in Guangxi, the subject, with Midas GTS under the vibration conditions of magnitude 6, 6.5, 7, 7.5, and 8 earthquakes and obtained the total, horizontal and vertical displacement of the slope and its stability coefficient. The results showed that the displacement of the slope increased with the increase of the seismic acceleration; its maximum displacement occurred in the middle of the slope (fill); the difference of the maximum horizontal di

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Streszczenia konferencji na temat "Seismic coefficients"

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Campos e Matos, António, Carlos Botelho, Ricardo Leite, and Paulo Pinto Lopes. "Assessment Of The Seismic Performance Of A Viaduct In Mexico City." 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.2024.0184.

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<p>The company GEG designed a 19km viaduct in Mexico City, whose seismic analysis during the project phase was based on linear modelling using estimated seismic spectrum for the location.</p><p>On September 19th, 2017, with a substantial part of the structure already completed, a violent earthquake with a magnitude of 7,1 on the Richter scale occurred, known as the Puebla earthquake. The viaduct’s performance was very positive, with no residual displacements reported.</p><p>Using the Puebla earthquake spectrum obtained from the monitoring conducted by Mexican auth

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He, Li Zhe, Kai Yang, Hong Liang Ren, and Han Yue Li. "Seismic Response Analysis of Phoenix-Shaped Tube Truss Structure of Shaohuashan Upper Station Building." In 12th Annual International Conference on Material Science and Engineering. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-lwf7w7.

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Tube truss structures are often used in large public buildings, and their safety performance under seismic effects is very important. The phoenix shape of the upper station house in the ropeway project of Shaohuashan National Forest Park in Shaanxi Province consists of 5 groups of tube truss structures forming an overall space tube truss structure form through connecting rods. The seismic response of this structure was analysed using the vibration mode decomposition response spectrum method. The results show that the overall structural vibration displacement changes in the first 10 vibration m

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Tran, Trung Thanh, and B. Adhikari. "Energy based seismic design coefficients." In THE 1ST INTERNATIONAL CONFERENCE ON INNOVATIONS FOR COMPUTING, ENGINEERING AND MATERIALS, 2021: ICEM, 2021. AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0068684.

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Kumar, Mohit, and Kaustav Chatterjee. "Effect of Seismic Acceleration Coefficients on Seismic Passive Earth Pressure Coefficient of Caisson due to Cohesion." In Geo-Congress 2023. American Society of Civil Engineers, 2023. http://dx.doi.org/10.1061/9780784484685.003.

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Trandafir, Aurelian C. "Seismic Coefficients for Simplified Deepwater Slope Stability Assessment Under Earthquake Loading." In Offshore Technology Conference. OTC, 2021. http://dx.doi.org/10.4043/31056-ms.

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Abstract Pseudostatic limit-equilibrium based slope stability analyses are carried out on a routine basis to evaluate stability of submarine slopes under earthquake loading. For slopes in deepwater settings, a major challenge in performing pseudostatic slope stability analyses is selection of an appropriate seismic coefficient. Most published displacement-based methodologies for seismic coefficient selection were developed using simplified sliding block models for seismic slope performance evaluation that are unable to capture the complex deformation mechanism of deepwater slopes during earthq

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E. Rabben, T., H. Tjelmeland, and B. Ursin. "Nonlinear Bayesian Joint Inversion of Seismic Reflection Coefficients." In EAGE Conference on Petroleum Geostatistics. European Association of Geoscientists & Engineers, 2007. http://dx.doi.org/10.3997/2214-4609.201403049.

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White, Luther W., John P. Castagna, William Lamb, and Isabel Varela. "Stochastic fluid modulus inversion using seismic reflection coefficients." In SEG Technical Program Expanded Abstracts 2003. Society of Exploration Geophysicists, 2003. http://dx.doi.org/10.1190/1.1817702.

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Chen*, Wenchao, Jinghuai Gao, and Xiaokai Wang. "The sparse reflection coefficients-based seismic multichannel convolution model." In SEG Technical Program Expanded Abstracts 2014. Society of Exploration Geophysicists, 2014. http://dx.doi.org/10.1190/segam2014-0649.1.

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Biondi, Giovanni, Ernesto Cascone, Michele Maugeri, Adolfo Santini, and Nicola Moraci. "Evaluation of Pseudo-Static Coefficients According to Performance-Based Criteria." In 2008 SEISMIC ENGINEERING CONFERENCE: Commemorating the 1908 Messina and Reggio Calabria Earthquake. AIP, 2008. http://dx.doi.org/10.1063/1.2963876.

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Y. Zong, Z., X. Y. Yin, and G. C. Wu. "Direct Nonlinear Inversion of Seismic Reflection Coefficients for Layer Parameters." In 74th EAGE Conference and Exhibition incorporating EUROPEC 2012. EAGE Publications BV, 2012. http://dx.doi.org/10.3997/2214-4609.20148565.

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Raporty organizacyjne na temat "Seismic coefficients"

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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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Agrawal, Shubham, Morgan Broberg, and Amit Varma. Seismic Design Coefficients for SpeedCore or Composit Plate shear Walls - Concrete Filled (C-PSW/CF) Final Project Report. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317125.

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Gunay, Selim, Fan Hu, Khalid Mosalam, et al. Blind Prediction of Shaking Table Tests of a New Bridge Bent Design. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2020. http://dx.doi.org/10.55461/svks9397.

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Considering the importance of the transportation network and bridge structures, the associated seismic design philosophy is shifting from the basic collapse prevention objective to maintaining functionality on the community scale in the aftermath of moderate to strong earthquakes (i.e., resiliency). In addition to performance, the associated construction philosophy is also being modernized, with the utilization of accelerated bridge construction (ABC) techniques to reduce impacts of construction work on traffic, society, economy, and on-site safety during construction. Recent years have seen s

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Mojidra, Rushil, and Keri Ryan. Influence of Vertical Ground Motion on Bridges Isolated with Spherical Sliding Bearings. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2019. http://dx.doi.org/10.55461/rynq3624.

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The motivation for this project developed from testing of a full scale building isolated with triple friction pendulum bearings on the E-defense shake table in Japan. The test demonstrated experimentally that the vertical component of ground motion can amplify both the base shear and the story acceleration in the isolated building. Vertical shaking introduced high-frequency variation in the axial force of the bearings, and, consequently, a high-frequency component in the bearing lateral force, which excited higher structural modes in the building. Since vertical bridges are flexible in the ver

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NUMERICAL INVESTIGATION ON SEISMIC PERFORMANCE OF PREFABRICATED STEEL BEAM-TO-COLUMN CONNECTION WITH REPLACEABLE U-SHAPED PLATE. The Hong Kong Institute of Steel Construction, 2024. https://doi.org/10.18057/ijasc.2024.20.4.7.

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This paper presents a novel prefabricated steel beam-to-column connection with a replaceable U-shaped plate (PSCU) aimed at enhancing the seismic resilience of steel structures and enabling expedited assembly, disassembly, and post-earthquake recovery. The structural design of the PSCU is delineated, along with the articulation of seismic design objectives and methodologies. A sophisticated finite element (FE) model for PSCU is constructed utilizing solid elements, and the fidelity of this modeling paradigm is validated against documented experimental findings. Quasi-static numerical simulatio

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STUDY ON SELF-VIBRATION CHARACTERISTICS AND SEISMIC RESPONSE OF LARGE-OPENING DRUM-HONEYCOMB-TYPE QUAD-STRUT SUSPEND- DOME STRUCTURE. The Hong Kong Institute of Steel Construction, 2025. https://doi.org/10.18057/ijasc.2025.21.2.6.

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The large-opening drum-honeycomb-type quad-strut suspend-dome structure is a new type of suspend-dome structure, which was improved from the traditional cable dome structure. It replaces the top chord of the cable dome with seamless steel pipes. The structure combines the characteristics of the suspend-dome and the cable dome. The bottom chord nodes connects four struts, two inclined cables and one ring cable. The Ansys finite element model is established to analyze the influence of initial prestress, rise-span ratio, thickness-span ratio, opening span and bottom chord arrangement schemes on t

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SEISMIC PERFORMANCE OF SINGLE-LAYER SPHERICAL RETICULATED SHELLS CONSIDERING JOINT STIFFNESS AND BEARING CAPACITY. The Hong Kong Institute of Steel Construction, 2022. http://dx.doi.org/10.18057/ijasc.2022.18.2.9.

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Fabricated joints are gradually applied in architectural structures because of their advantages of good economy, high installation quality and efficiency. However, the mechanical properties of this kind of joint are semi-rigid differing from traditional rigid and hinged joints. Therefore, the performance of the structures with such joints is not clear, which greatly limits the wide application of fabricated joints. This paper presents the investigation on the seismic performance of the semi-rigid single-layer reticulated shell structure (SRSS) under earthquake load by numerical simulation and

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AN EXPERIMENTAL STUDY ON SEISMIC PERFORMANCE OF STEEL COMPOSITE BEAM-COLUMN RIGID JOINT AND BUCKLING RESTRAINED KNEE-BRACED JOINT. The Hong Kong Institute of Steel Construction, 2023. http://dx.doi.org/10.18057/ijasc.2023.19.4.6.

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This paper evaluates the seismic performance of conventional steel composite beam-column rigid joints, and a novel buckling restrained knee-braced joint (BRKBJ), considering the impact of the floor slab. A series of quasi-static comparative tests were conducted to analyze the failure mode, load-bearing capacity, hysteresis performance, and ductility of both types of joints. Our findings revealed that the hysteretic curve of the BRKBJ exhibits a robust and shuttle-like shape, suggesting an adequate energy dissipation performance. However, its yield displacement is relatively small. Conversely,

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