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Research on the Quantitative Evaluation of the Three-Dimensional Seismic Resilience of Power Systems Based on an Improved Genetic Algorithm J. Earthq. Eng. (IF 2.6) Pub Date : 2024-03-07 Xiaohang Liu, Shansuo Zheng, Hao Zheng, Xiaoyu Zhang, Zetian Liang
In this study, a three-dimensional (3D) performance function is established to evaluate 3D seismic resilience, and a multiobjective optimization scheduling model based on node importance and repair...
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Pseudo-Velocity Response Spectrum to Velocity Response Spectrum Conversion Model J. Earthq. Eng. (IF 2.6) Pub Date : 2024-03-07 Zheng Liu, Yan-Gang Zhao, Haizhong Zhang
Velocity response spectrum (SV) plays a critical role in the seismic design of structures equipped with velocity-dependent dampers. Often, the SV is approximated using the pseudo-velocity response ...
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Performance Assessment of Retrofitted Drilled Connections Subjected to Ultra-Low Cycle Fatigue Loading J. Earthq. Eng. (IF 2.6) Pub Date : 2024-03-07 Mohammad Hossein Razmkhah, Mohsen Gerami, Mohsen Ghaderi
In this research, ultra-low cycle fatigue in retrofitted connections with R-RBS1 and R-RBS2 drilling patterns has been investigated using experimental and numerical methods. The connection was retr...
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Local Site Effect of Fault Site and Its Impact on Seismic Response of Fault-Crossing Tunnel J. Earthq. Eng. (IF 2.6) Pub Date : 2024-03-05 Ruohan Li, Yong Yuan, Xu Zhao, Emilio Bilotta, Jingqi Huang
The areas where tunnels crossing faults are especially susceptible to seismic damage. Local site effects associated with fault site notably contribute to the unfavourable impact on the seismic beha...
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On the Vlasov-Leont′ev Foundation Model for Axial Dynamic Stiffness of a Pile Embedded in a Viscoelastic Soil J. Earthq. Eng. (IF 2.6) Pub Date : 2024-03-05 Bipin K. Gupta
In this manuscript, the Vlasov-Leont′ev foundation model is employed to develop a formulation for an axially loaded pile in a homogeneous linear viscoelastic soil. In the formulation, the soil disp...
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Utility of Stochastic Ground Motion Models in Conditional Spectrum-Based Selection Consistent with the Causal Earthquakes J. Earthq. Eng. (IF 2.6) Pub Date : 2024-02-23 Naveen Senthil, Ting Lin
Conditional Spectrum (CS), characterized by a conditional mean and conditional standard deviation, serves as a target spectrum linking seismic hazard information to ground motion selection for seis...
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Combined Global Seismic Damage for 3D RC Buildings Using Recorded Floor-Displacement Data J. Earthq. Eng. (IF 2.6) Pub Date : 2024-02-21 Subhadip Naskar, Sandip Das, Hemant B. Kaushik
A novel method is proposed for predicting the combined global damage index through newly developed formulae utilizing recorded floor-displacement data, local and global capacity-based parameters fo...
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Elasto-Plastic Seismic Shear Distributions of Frame-Wall Structures J. Earthq. Eng. (IF 2.6) Pub Date : 2024-02-23 Luqi Xie, Jing Wu, Yunqing Zhu, Zhiting Huang
In this study, theoretical and numerical methods were used to research seismic shear distributions of frame-shear wall structures under elasto-plastic conditions. The shear distributions of frame-s...
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Uncertainty in Distinct Element Modeling of Freestanding Structures Considering Stiffness Parameters J. Earthq. Eng. (IF 2.6) Pub Date : 2024-02-22 M. Khalid Saifullah, Christine E. Wittich
Numerical studies on freestanding structures typically leverage the Distinct Element Method where the response is dictated by joints; however, the response carries significant uncertainty due to jo...
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An Efficient Algorithm to Identify Strong Pulse-Like Ground Motions Based on the Smoothed Significant Velocity Half-Cycles J. Earthq. Eng. (IF 2.6) Pub Date : 2024-02-20 Cuihua Li, Ke Meng, Yu Guo
This study proposes a new algorithm based on the smoothed Significant Velocity Half-Cycles for efficient and accurate identification of pulse-like velocity ground motions. The empirical-mode decomp...
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A Comparative Dynamic Evaluation of Energy Dissipating Hysteretic and Conventional Brick Infilled Buildings Considering Bi-Axial Interaction J. Earthq. Eng. (IF 2.6) Pub Date : 2024-02-16 Nidhin S. Pachappoyil, Pankaj Agarwal
A dynamic numerical model is developed considering in-plane and out-of-plane behaviour and their interaction for the novel energy dissipating hysteretic infill and conventional brick infill system....
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Empirical Frequency Content Models for Offshore Ground Motions in the Japan Trench Area J. Earthq. Eng. (IF 2.6) Pub Date : 2024-02-14 Jinjun Hu, Xin Cui, Jingyang Tan
This paper presents empirical models for the frequency content parameters of offshore ground motions in the Japan Trench area based on the S-net dataset, comprising 6,436 recordings from 496 events...
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Seismic Control of Adjacent Liquid Storage Tanks Based on Vibration Barrier Considering Structure-Soil-Structure Interaction J. Earthq. Eng. (IF 2.6) Pub Date : 2024-02-14 Wei Jing, Shihao Wang, Jian Shen, Shushuang Song
A new damping control method for the adjacent liquid storage tanks (LSTs) based on vibration barrier (ViBa) is proposed. Considering liquid-solid-soil coupling and structure-soil-structure interact...
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Energy Dissipation Efficiency of Geotechnical Seismic Isolation with Gravel-Rubber Mixtures: Insights from FE Non-Linear Numerical Analysis J. Earthq. Eng. (IF 2.6) Pub Date : 2024-02-12 Davide Forcellini, Gabriele Chiaro, Alessandro Palermo, Laura Banasiak, Hing-Ho Tsang
This paper provides new and useful insights into the performance and efficiency of geotechnical seismic isolation (GSI) systems with gravel-rubber mixtures containing 10%, 25% and 40% volumetric ru...
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Appraising the Risk Assessment of Non-Structural Components via Simplified and Machine-Learning-Based Approaches J. Earthq. Eng. (IF 2.6) Pub Date : 2024-02-12 Davit Shahnazaryan, Gerard J. O’Reilly
Uncertainties in building element modelling and ground motions are indispensable for rigorous seismic risk quantification. demand–intensity models simply relate building performance to intensity an...
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Plastic Hinge Length for Flanged Reinforced Concrete Shear Walls with Asymmetric Sections J. Earthq. Eng. (IF 2.6) Pub Date : 2024-02-12 Wen-Zhe Cai, Bin Wang, Qing-Xuan Shi, Meng-Zhen Wu
This research investigates the determination method, spreading mechanism and influencing factors of the plastic hinge length for asymmetrical flanged walls using the finite element method. The plas...
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Probabilistic Assessment of Global Damage Index for Steel Moment-Resisting Frames Based on Local Responses J. Earthq. Eng. (IF 2.6) Pub Date : 2024-02-05 Vahid Mohsenian, Reza Filizadeh, Stefano Mariani, Iman Hajirasouliha
A new scenario-based method is proposed to determine the performance range of structural systems. The advantage of this method is using inter-storey drift as a damage index, while exploiting local ...
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Experimental Study on Transverse Seismic Behavior of Long-Span Cable-Stayed Bridge with Two Inverted Y-Shaped Reinforced Concrete Towers J. Earthq. Eng. (IF 2.6) Pub Date : 2024-02-02 Wei Guo, Zhongguo Guan, Jianzhong Li, Jianting Zhou, Lueqin Xu, Haicui Wang
The transverse seismic behavior of a long-span cable-stayed bridge with two inverted Y-shaped reinforced concrete towers is investigated in this study. To accomplish this, a 1/35-scale model of a c...
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Performance Assessment of Reinforced Concrete Bridges Under Coupled Horizontal and Vertical Ground Motions Using Fragility Surfaces J. Earthq. Eng. (IF 2.6) Pub Date : 2024-01-30 Ahmad Dehghanpoor, David Thambiratnam, Wenyang Zhang, Yufeng Dong, Mohsen Kargar, Tommy Chan, Ertugrul Taciroglu
The objective of this study is to explore the seismic fragility of reinforced concrete bridges, specifically in response to the vertical components of ground motions, utilizing fragility surfaces. ...
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Improving In-Plane Behavior of Weak Brick Masonry Walls Through Assimilation of Partially Confining RC Bands J. Earthq. Eng. (IF 2.6) Pub Date : 2024-01-22 Lakshmi Latha, Samit Ray Chaudhuri
In this work, a numerical study is conducted to investigate the improvement of in-plane behavior of weak brick masonry walls through assimilation of partially confining horizontal and vertical rein...
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Direct Displacement-Based Design (DDBD) of PT-SKID Frames: The Linear Equivalent Model J. Earthq. Eng. (IF 2.6) Pub Date : 2024-01-22 Yichen Zhang, Raffaele De Risi, Nicholas A. Alexander
This paper investigates the linear equivalence of the PT-SKID frames based on Jacobsen’s method for estimating peak seismic displacement response. Such linearisation is at the base of the DDBD of s...
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Displacement Control of Existing Steel Moment-Resisting Frame Structures Using Buckling-Restrained Braces J. Earthq. Eng. (IF 2.6) Pub Date : 2024-01-22 An Sok, Satoshi Yamada, Jun Iyama
Large displacements are expected to occur in existing code-compliant steel moment-resisting frames during a severe earthquake, affecting the functionality of buildings. This study investigated the ...
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A Distributed Impact Model for Seismic Analysis of Planar Rocking Body J. Earthq. Eng. (IF 2.6) Pub Date : 2024-01-21 Yu Bao
The problem of a planar rigid rocking block subject to dynamic loading is of significant interest to the earthquake engineering community due to its wide application. Despite its simple configurati...
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Categorization of Post-Earthquake Damages in RC Structural Elements with Deep Learning Approach J. Earthq. Eng. (IF 2.6) Pub Date : 2024-01-19 Mertcan Yilmaz, Gamze Dogan, Musa Hakan Arslan, Alper Ilki
The aim of this study was to develop an innovative deep learning based intelligent software (DamageNet) and its mobile applications to classify seismic damage of Reinforced Concrete (RC) elements. ...
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Study on the Performance Degradation of LRB Under the Combination of Low Temperature Cycles and Superstructure Weight J. Earthq. Eng. (IF 2.6) Pub Date : 2024-01-16 Lihua Zhu, Longfei Meng, Yao-Rong Dong, Hao Su, Wei Jia
Lead rubber bearing (LRB) may be subjected to low temperature effect and superstructure weight when it was used in the cold regions, which will affect the durability of the bearing. To investigate ...
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Efficient Fragility Analysis of Cross-Fault Hydraulic Tunnels Combining Support Vector Machine and Improved Cloud Method J. Earthq. Eng. (IF 2.6) Pub Date : 2024-01-09 Benbo Sun, Mingjiang Deng, Sherong Zhang, Weiying Liu, Jia Xu, Chao Wang, Wei Cui
One of the primary concerns in the field of seismic risk assessment for underground structures is establishing an accurate connection between seismic intensity and structural responses. The objecti...
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A Simplified Approach of Analytical Seismic Fragility Analysis Using the Endurance Time Method J. Earthq. Eng. (IF 2.6) Pub Date : 2024-01-08 Zihan He, Daiyu Wang, Duofa Ji, Xiaohui Yu
The endurance time (ET) method is an effective dynamic analysis method for seismic response analysis of structures. It has been recently used for analytical fragility analysis. However, the availab...
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Non-Dimensional Probabilistic Analysis of Seismic Pounding Between Flexible Structures and Rigid Boundaries J. Earthq. Eng. (IF 2.6) Pub Date : 2024-01-07 Domenico Altieri, Enrico Tubaldi, Michele Barbato, Edoardo Patelli
Pounding between adjacent structures subjected to earthquake actions can cause significant damage. Due to the many uncertainties inherent to the seismic input and the impact phenomenon, a probabili...
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Suitability Analysis of Ground Motion Prediction Equations for Western and Central Himalayas and Indo-Gangetic Plains J. Earthq. Eng. (IF 2.6) Pub Date : 2024-01-04 S. Selvan, Suman Sinha
Ground motion prediction equations (GMPEs) play a key role in seismic hazard assessment (SHA). Considering the seismo-tectonic, geophysical, and geotectonic characteristics of a target region, all ...
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Seismic Resilience of Concrete Moment Frames with Fibrous Rubberized Beam-Column Joints J. Earthq. Eng. (IF 2.6) Pub Date : 2024-01-04 Emad M. Hassan, Hussam Mahmoud, Basem H. AbdelAleem, Mohamed K. Ismail, Assem A. A. Hassan, Wael El-Dakhakhni
Ensuring resilience through rapid buildings recovery in seismic zones has been placed at the forefront of recent studies. However, studies that compare the relative resilience of buildings construc...
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Understanding Effects of Evolutionary Arias Intensity on Nonlinear Behavior of Hysteretic Systems and Liquefiable Grounds J. Earthq. Eng. (IF 2.6) Pub Date : 2023-12-27 Zhuo Wang, Duruo Huang, Yucheng Yang, Feng Jin
The effects of evolutionary Arias intensity are thoroughly investigated based on ground motion simulation and nonlinear dynamic response. A new methodology is developed to generate a series of spec...
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Influence of Different Circumferential Bolts on the Seismic Response of Shield Tunnel J. Earthq. Eng. (IF 2.6) Pub Date : 2023-12-18 Xiangyu Guo, Ping Geng, Rui Tang, Chuan He
This study compared the response characteristics of circumferential joints with different bolt types under seismic loading. The variations in the openings under different types of bolt joints were ...
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Site-Specific Aseismic Design of Multi-Storeyed Buildings Using Optimum Tuned Mass Damper Inerter J. Earthq. Eng. (IF 2.6) Pub Date : 2023-12-18 Angshuman Adhikary, Tanmoy Konar, Aparna Dey Ghosh
The effectiveness of the tuned mass damper inerter (TMDI) in reducing the vibration of building structures under site-specific earthquake excitation is investigated. The site is Guwahati, Assam, wh...
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Evaluation of Steel Diagrid Structural System Under Near-Fault Earthquakes J. Earthq. Eng. (IF 2.6) Pub Date : 2023-12-11 Davood Saadati, Pasha Javadi, A. S. Moghadam, Mir Hamid Hosseini
The diagrid structural system has become popular in the construction of high-rise buildings in light of significant advantages over other structural systems. The present study explores the effects ...
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Assessment of Remaining Seismic Capacity for Reinforced Concrete Piers Based on a Residual Drift Response: Static Analysis J. Earthq. Eng. (IF 2.6) Pub Date : 2023-12-06 Xiangri Geng, Wei Zhou
To investigate the correlationf between residual drift and remaining seismic capacity, 24 reinforced concrete pier specimens were subjected to lateral load reversals. By normalizing the specified d...
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Seismic Performance Assessment of a Cable-Damper Stopper Equipped for Coal-Fired Thermal Power Plants: Theoretical and Numerical Analyses J. Earthq. Eng. (IF 2.6) Pub Date : 2023-11-30 Yuheng Jiang, Liping Duan, Jincheng Zhao
A new cable-damper stopper equipped for Coal-Fired Thermal Power Plants (CFTPPs) was proposed in our previous paper, where a series of shaking table tests were carried out to investigate its seismi...
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Cyclic Behavior of a Novel MADAS Damper with No Axial Force and Improved Seismic Performance (Experimental, Numerical, and Analytical Assessment) J. Earthq. Eng. (IF 2.6) Pub Date : 2023-11-30 Mohamad Hosein Mortezagholi, Seyed Mehdi Zahrai, Roohollah Abbasi Shanbehbazari
Axial forces are generated in the plates of ADAS-yielding dampers when subjected to lateral loading due to their boundary conditions. This on one hand can lead to an increase in strain level of the...
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Energy-Based Simplified Damper Design Methodology for Seismic Torsional Vibration Control of Buildings with Experimental Verification J. Earthq. Eng. (IF 2.6) Pub Date : 2023-11-29 CH. B. V. Hareen, S. C. Mohan
An energy-based damper design methodology is presented to achieve equal displacement at the building edges for torsionally coupled existing new buildings. Considering ductile and non-ductile RC bui...
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Experimental Investigate on Seismic Performance of RC Hill-Side Stilted Buildings Affected by Vertical Stiffness Irregularity J. Earthq. Eng. (IF 2.6) Pub Date : 2023-11-27 Ruifeng Li, Liping Liu, Yingmin Li, Guojue Wang
In this study, the ratio of lateral stiffness of the stilted story to that of the second story was proposed as the story stiffness ratio (SSR) to quantify vertical stiffness irregularities of hills...
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Effects of Deck-Abutment Pounding on the Seismic Fragility Curves of Box-Girder Highway Bridges J. Earthq. Eng. (IF 2.6) Pub Date : 2023-11-21 Seyyed Amirhossein Moayyedi, Hossein Rezaei, Afshin Kalantari, Robert Jankowski
Earthquake-induced pounding in bridges is a complex contact phenomenon in which the dynamic responses of structures, including collisions between deck and abutments, are strongly related to structu...
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Influence of Fluid Viscous Damper Stiffness on the Floor Acceleration Response of Steel Moment-Resisting Frames Under Far-Field Ground Motions J. Earthq. Eng. (IF 2.6) Pub Date : 2023-11-16 Bryan Chalarca, André Filiatrault, Daniele Perrone
The implementation of fluid viscous dampers has been proven as a feasible method to improve the seismic performance of buildings. However, the different variables involved in the damper’s design af...
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Shaking-Table Tests for Seismic Response of Arch Foot of a Long-Span Arch Bridge on Sand-Gravel Soil Sites Considering SSI Effect J. Earthq. Eng. (IF 2.6) Pub Date : 2023-11-10 Tiancheng Wang, Zhihuan Ruan, Zhen Zhang, Guoxiong Mei, Mingjie Jiang
The seismic performance of arch bridges is dependent on the strength of bridges and the built-on soil site types. To investigate the influence of soil-structure interaction (SSI) on the seismic res...
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Seismic Analysis Model of Partially Concrete-Filled Steel Piers Considering Ultralow-Cycle Fatigue Crack Propagation J. Earthq. Eng. (IF 2.6) Pub Date : 2023-11-07 Hanqing Zhuge, Rui Du, Shuailing Li, Zhanzhan Tang
Seismic performance of partially concrete-filled steel tube (PCFST) bridge piers is controlled by the coupled failure of ultralow-cycle fatigue (ULCF) and local instability of steel plates. An empi...
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Characterization of Site Amplification by a Parametric Study J. Earthq. Eng. (IF 2.6) Pub Date : 2023-11-06 N. Özge Fercan, Erdal Şafak, Atilla Ansal
The reliability of Vs30 and the performance of alternative time averaged shear wave velocities (Vsz) and shear wave travel times (Ttz) at various depths, z, were investigated for the estimation of ...
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A New Approach for Evaluating Modal Correlation Coefficient in Response Spectrum Analysis J. Earthq. Eng. (IF 2.6) Pub Date : 2023-11-07 Seiyed Ali Haj Seiyed Taghia, Hamid Reza Darvishvand
The research investigates the validity of the complete quadratic combination (CQC) method. A new approach is proposed in order to consider the effect of modal correlation more accurately than the C...
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Mechanical and Structural Behavior of Concrete Blocks with Granulated Polystyrene (PS) and Recycled Polypropylene (PP) Fibres and Their Use in Low and Medium Height Frames J. Earthq. Eng. (IF 2.6) Pub Date : 2023-10-30 David Dominguez-Santos, María Constanza Gutiérrez Guerra
This research proposes to include different percentages of recycled polypropylene (PP) fibers and polystyrene (PS) granules in the manufacture of concrete blocks. They are thermoplastic materials w...
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Formulation and Performance of Multi-Transmitting Formula with Spectral Element Method in 2D Ground Motion Simulations Under Plane-Wave Incidence: SV Wave Problem J. Earthq. Eng. (IF 2.6) Pub Date : 2023-10-17 Yanyan Yu, Haiping Ding, Xubin Zhang
To simulate the ground motions of 2D arbitrary sites subjected to plane SV waves, we put forward a numerical method combining the multi-transmitting formula (MTF) and spectral element method (SEM)....
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Seismic Response of Cross Interchange Subway Stations in Soft Soil: Effects of Intersecting Structures and Inhomogeneous Deformation J. Earthq. Eng. (IF 2.6) Pub Date : 2023-09-26 Huiling Zhao
Seismic response of cross interchange subway stations in soft soil is studied through dynamic time history analysis. The inhomogeneous deformation and internal forces of the structure are examined ...
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A Novel FRP Retrofit Solution for Improved Local and Global Seismic Performance of RC Buildings: Development of Fragility Curves and Comparative Cost-Benefit Analyses J. Earthq. Eng. (IF 2.6) Pub Date : 2023-09-25 D. A. Pohoryles, S. Minas, J. Melo, D. A. Bournas, H. Varum, T. Rossetto
This paper evaluates the effectiveness of a novel capacity-design based retrofit for improving both the local and global behaviour of existing reinforced concrete buildings using fibre-reinforced p...
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Evaluation of Turkish Seismic Codes and Observed Damages in Reinforced Concrete Structures by 2020 Samos/İzmir Earthquake J. Earthq. Eng. (IF 2.6) Pub Date : 2023-09-25 Tuba Tatar, Zeynep Yaman, Murat Utkucu
On October 30, 2020, an Mw = 7.0 earthquake hit Izmir, Turkey, causing the loss of 118 lives and injuries of over a thousand people while producing a high monetary loss in the region. In this study...
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Rehabilitation of Severely Damaged RC Bridge Piers: Experimental and Numerical Investigation J. Earthq. Eng. (IF 2.6) Pub Date : 2023-09-20 Monjusha Sarmah, Sajal K. Deb, Anjan Dutta
This study explored rehabilitation of severely damaged bridge pier models using reinforced concrete jacketing method adopting a plastic hinge relocation technique. The test specimens were tested un...
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Predictive Displacement Models Considering the Probability of Pulse-Like Ground Motions for Earthquake-Induced Landslides Hazard Assessment J. Earthq. Eng. (IF 2.6) Pub Date : 2023-09-14 Jing Liu, Yingbin Zhang, Peiyi Xu, Ying Zeng, Chenlin Xiang, Haiying Fu, Haihong Yu, Yunyong He
ABSTRACT Predictive displacement models (PDMs) based on the Newmark sliding block method have been widely applied in earthquake-induced landslide hazard assessment (ELHA). Pulse-like ground motions (PLGMs) can cause significant structural damage. In this study, four PDMs that consider the probability of occurrence of PLGMs (PP) were created for strike-slip and non-strike-slip events. The results demonstrate
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A Simplified Approach to Estimate Seismic Vulnerability and Damage Scenarios Including Site Effects. Application to the Historical Centre of Horta, Azores, Portugal J. Earthq. Eng. (IF 2.6) Pub Date : 2023-09-12 N. Chieffo, T. M. Ferreira, R. da Silva Vicente, P. B. Lourenço, A. Formisano
ABSTRACT The research attempts to provide a method for evaluating the susceptibility of heritage buildings and potential damage considering local site effects, using as a case study an urban sector situated in Horta, Faial, Azores, Portugal. The physical vulnerability of the investigated structures was appraised using an index-based method devised for structural masonry aggregates to emphasize their
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The Influence of Slope Angle Variation on Structures Resting on Hilly Region Considering Soil–Structure Interaction Under Earthquake Loadings Using Capacity Curves and Probabilistic Approach J. Earthq. Eng. (IF 2.6) Pub Date : 2023-09-13 Moustafa Moufid Kassem, Fadzli Mohamed Nazri, Ahmad Mohamad El-Maissi
A five story (G + 4) residential structure is positioned on 15°, 30°, and 45° slopes to be explored in this study in terms of vulnegrability and compared to the same structure resting on flat groun...
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Seismic Evaluation of Metal-Strip Reinforced Soil Walls considering the Effect of Wall Configuration - A Shaking Table Study J. Earthq. Eng. (IF 2.6) Pub Date : 2023-09-12 Majid Yazdandoust, Amirhossein Rasouli Jamnani, Mohsen Sabermahani
Shake table tests on two-tiered metal-strip MSE walls showed that the prevention of slip surface development in the lower half of the wall, improving seismic stability by increasing failure thresho...
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A Time Domain Nonlinear Fluid–Structure–Soil Interaction Analysis of Rectangular Water Storage Tanks Using Coupled Eulerian–Lagrangian (CEL) Formulation and Direct Method J. Earthq. Eng. (IF 2.6) Pub Date : 2023-09-07 Farshid Baharvand, Seyyed Mehrab Amiri, Mohammad Reza Shekari, Mehdi Veiskarami
ABSTRACT Generally, soil–structure interaction (SSI) effects significantly impact the dynamic behavior of fluid storage containers. Hence, ignoring the SSI may result in unrealistic fallouts. This research employs fully coupled numerical modeling to examine this effect on the dynamic behavior of rectangular incompletely filled rigid water storage containers under earthquake excitation. The tanks’ performance
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Machine Learning-Based Classification for Rapid Seismic Damage Assessment of Buildings at a Regional Scale J. Earthq. Eng. (IF 2.6) Pub Date : 2023-09-04 Sanjeev Bhatta, Ji Dang
ABSTRACT The damage assessment of numerous buildings after the earthquake is still a challenge by traditional methods as it requires a significant amount of time and resources for carrying out building-by-building seismic damage assessment. This study presents the machine learning (ML)-based damage assessment of buildings after an earthquake. The applicability of the machine learning model will be
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Correlation and Joint Distribution of Spectral Accelerations of Vertical Ground Motions J. Earthq. Eng. (IF 2.6) Pub Date : 2023-09-05 Xiaolei Wang, Zixu Zhao, Weidong Yan, Dagang Lu, Fei Teng
ABSTRACT This paper estimates a correlation model and joint distribution model of spectral accelerations of vertical ground motions based on the NGA-West2 ground motion database. The correlation model calculated via BC16 vertical GMPE in this study is compared with those published models via other vertical NGA-West2 GMPEs. It is verified that the calculated residuals of vertical ground motions at multiple
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Application of the Εxtended KDamper to the Seismic Protection of Bridges: Design Optimization, Nonlinear Response, SSI and Pounding Effects J. Earthq. Eng. (IF 2.6) Pub Date : 2023-09-05 Maria Antoniou, Antonios Alvertos, Evangelos J. Sapountzakis, Ioannis Anastasopoulos
ABSTRACT The paper investigates the seismic performance of a novel passive vibration isolation and damping device termed Extended KDamper (EKD). The concept is applied to a representative two-span highway bridge, initially designed on conventional seismic isolation (CSI) bearings. An optimization process is developed and executed to design the EKDs, underscoring the importance of accounting for seismic
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Experimental and Numerical Study of Beam-Only-Connected Corrugated Steel Plate Shear Walls J. Earthq. Eng. (IF 2.6) Pub Date : 2023-09-04 Seyyed Mohyeddin Ghodratian-Kashan, Shervin Maleki
ABSTRACT The cyclic performance of beam-only-connected Corrugated Steel Plate Shear Walls (CSPSWs) is studied experimentally and numerically. Two one-story single-bay specimens with single and double corrugated infill plates were built and tested under lateral cyclic load. The results demonstrated that CSPSWs could have a robust hysteresis curve with viable cyclic performance if designed properly.