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Journal of Earthquake and Tsunami最新文献

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Retrofitting Solution for Soft Story Mitigation in Reinforced Concrete Frame Buildings: A Socio-technical Approach Using Numerical Optimization 钢筋混凝土框架结构建筑的软弱层改造解决方案：利用数值优化的社会技术方法
IF 1.5 4区 工程技术
Journal of Earthquake and Tsunami Pub Date : 2024-02-13 DOI: 10.1142/s1793431123500409
Kishor Timsina, Nikshan Amatya, Chaitanya K. Gadagamma, Kimiro Meguro
{"title":"Retrofitting Solution for Soft Story Mitigation in Reinforced Concrete Frame Buildings: A Socio-technical Approach Using Numerical Optimization","authors":"Kishor Timsina, Nikshan Amatya, Chaitanya K. Gadagamma, Kimiro Meguro","doi":"10.1142/s1793431123500409","DOIUrl":"https://doi.org/10.1142/s1793431123500409","url":null,"abstract":"<p>This research provides a practical and feasible retrofitting solution for soft story in reinforced concrete (RC) buildings with masonry infill walls for example in Nepal through numerical analysis. It is well understood that stiffness and strength of the soft story floor can be increased significantly by adding RC shear wall in the frame opening of the ground floor, making lateral deformation of that floor negligible. With this consideration, the authors have developed a numerical optimization framework for optimizing the RC shear wall in the open floor of soft story building incorporating socio-technical aspects from their previous publication [Timsina, K., Gadagamma, C. K., Numada, M. and Meguro, K. [2019b] “Development of a numerical optimization framework for solving soft-story problem in reinforced concrete frame buildings,” <i>Seisan-Kenkyu</i>]. The objective function for numerical optimization is cost minimization with the constraints of usability, performance, and complexity from a detailed field study. In this paper, the numerical optimization framework is developed and solved using the sequential quadratic programing (SQP). The whole scheme has been incorporated inside the 2D-Applied Element Method (AEM). The retrofitting solution thus obtained from the numerical optimization has been analyzed using the incremental dynamic analysis to know the capacity of the frame structure in earthquake ground motion. It shows that the retrofitting method can significantly enhance the soft story frame’s capacity and ensure the dwellers’ interests are not compromised.</p>","PeriodicalId":50213,"journal":{"name":"Journal of Earthquake and Tsunami","volume":"68 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140147825","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Damage Spectra of SDOF Structures Under Tsunami Actions Considering the Nonlinear Dynamic Analysis Method 考虑非线性动态分析方法的海啸作用下 SDOF 结构的损伤谱
IF 1.5 4区 工程技术
Journal of Earthquake and Tsunami Pub Date : 2024-01-09 DOI: 10.1142/s1793431123500343
Xiaolan Pan, Zhongyao Lin, Lianpeng Zhang, Zhi Zheng
{"title":"Damage Spectra of SDOF Structures Under Tsunami Actions Considering the Nonlinear Dynamic Analysis Method","authors":"Xiaolan Pan, Zhongyao Lin, Lianpeng Zhang, Zhi Zheng","doi":"10.1142/s1793431123500343","DOIUrl":"https://doi.org/10.1142/s1793431123500343","url":null,"abstract":"<p>This paper studies the damage spectra of single-degree-of-freedom (SDOF) systems for tsunami loading. The 2011 Tohoku tsunami wave traces are computed and obtained by adopting the Cornell Multi-grid Coupled Tsunami (COMCOT) model and are further verified by the Tohoku Tsunami Joint Survey (TTJS) data. The tsunami response analyses of SDOF systems are conducted taking into account the dynamic analysis method. The classical ductility damage is considered as the damage performance. The damage spectra are computed for five force reduction factors and 791 tsunami loadings. The effects of inundation depths, hysteretic model, post-yield stiffness ratio, <span><math altimg=\"eq-00001.gif\" display=\"inline\" overflow=\"scroll\"><mi>α</mi></math></span><span></span>, viscous damping ratio, <span><math altimg=\"eq-00002.gif\" display=\"inline\" overflow=\"scroll\"><mi>ξ</mi></math></span><span></span>, are explored and interpreted scientifically and statistically. The results demonstrate that the effect of the hysteretic model, force reduction factor, <i>R</i>, post-yield stiffness ratio, <span><math altimg=\"eq-00003.gif\" display=\"inline\" overflow=\"scroll\"><mi>α</mi></math></span><span></span>, viscous damping ratio, <span><math altimg=\"eq-00004.gif\" display=\"inline\" overflow=\"scroll\"><mi>ξ</mi></math></span><span></span>, on the damage of the structure is evident. Comparison with the static method and influence analysis of structural damping indicate the necessity for the application of the dynamic method. A simplified predictive formulation is developed for the evaluation of structural damage for tsunami loadings.</p>","PeriodicalId":50213,"journal":{"name":"Journal of Earthquake and Tsunami","volume":"108 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140147822","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Quasi-real-time inversion of large earthquake rupture process based on Earthquake Early Warning System in China: Applications to 2017 MW 6.5 Jiuzhaigou and 2022 MW 6.7 Menyuan earthquakes 基于中国地震预警系统的大地震破裂过程准实时反演：对 2017 年九寨沟 6.5 级和 2022 年门源 6.7 级地震的应用
IF 1.5 4区 工程技术
Journal of Earthquake and Tsunami Pub Date : 2023-12-29 DOI: 10.1142/s1793431123500380
Jie-Min Wang, Yuanyuan Liang, Zhe Wu, Ju Pu, Yonghong Li, P. Ma, Fengji Wang, Haitao Yin
{"title":"Quasi-real-time inversion of large earthquake rupture process based on Earthquake Early Warning System in China: Applications to 2017 MW 6.5 Jiuzhaigou and 2022 MW 6.7 Menyuan earthquakes","authors":"Jie-Min Wang, Yuanyuan Liang, Zhe Wu, Ju Pu, Yonghong Li, P. Ma, Fengji Wang, Haitao Yin","doi":"10.1142/s1793431123500380","DOIUrl":"https://doi.org/10.1142/s1793431123500380","url":null,"abstract":"","PeriodicalId":50213,"journal":{"name":"Journal of Earthquake and Tsunami","volume":"11 4","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139147668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Theoretically derived transfer functions and specific framework for simulating spatially varying seismic underground motions of media-transition site 理论推导的传递函数和模拟介质转换点空间变化地震地下运动的具体框架
IF 1.5 4区 工程技术
Journal of Earthquake and Tsunami Pub Date : 2023-12-29 DOI: 10.1142/s1793431123500410
Guohuan Liu, Xinyang Li
{"title":"Theoretically derived transfer functions and specific framework for simulating spatially varying seismic underground motions of media-transition site","authors":"Guohuan Liu, Xinyang Li","doi":"10.1142/s1793431123500410","DOIUrl":"https://doi.org/10.1142/s1793431123500410","url":null,"abstract":"","PeriodicalId":50213,"journal":{"name":"Journal of Earthquake and Tsunami","volume":"20 S36","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139146916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nonlinear dynamic behavior of semi-supported steel shear walls 1 半支撑钢剪力墙的非线性动态行为 1
IF 1.5 4区 工程技术
Journal of Earthquake and Tsunami Pub Date : 2023-12-29 DOI: 10.1142/s1793431123500379
Sajjad Zeynali, Hamid Moharrami
{"title":"Nonlinear dynamic behavior of semi-supported steel shear walls 1","authors":"Sajjad Zeynali, Hamid Moharrami","doi":"10.1142/s1793431123500379","DOIUrl":"https://doi.org/10.1142/s1793431123500379","url":null,"abstract":"","PeriodicalId":50213,"journal":{"name":"Journal of Earthquake and Tsunami","volume":" 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139143686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Estimation of Damage Levels in Masonry Structures following Earthquake Impact using Deep Learning-Based Segmentation Method 利用基于深度学习的分割方法估算地震冲击后砌体结构的损坏程度
IF 1.5 4区 工程技术
Journal of Earthquake and Tsunami Pub Date : 2023-12-29 DOI: 10.1142/s1793431123500367
K. Hacıefendioğlu, K. Ozgan, S. Adanur, A. Altunışık, Betul Demirer, Murat Gunaydin
{"title":"Estimation of Damage Levels in Masonry Structures following Earthquake Impact using Deep Learning-Based Segmentation Method","authors":"K. Hacıefendioğlu, K. Ozgan, S. Adanur, A. Altunışık, Betul Demirer, Murat Gunaydin","doi":"10.1142/s1793431123500367","DOIUrl":"https://doi.org/10.1142/s1793431123500367","url":null,"abstract":"","PeriodicalId":50213,"journal":{"name":"Journal of Earthquake and Tsunami","volume":"80 3","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139145886","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of Inclination of Longitudinal and Vertical Acceleration Components of Near-field Earthquake Records on Seismic Responses of Pile Foundation-Superstructure Systems in Liquefiable Soil Bed 近场地震记录的纵向和垂直加速度分量的倾斜对可液化土层中桩基础-上部结构系统地震响应的影响
IF 1.5 4区 工程技术
Journal of Earthquake and Tsunami Pub Date : 2023-12-29 DOI: 10.1142/s1793431123500422
Kooshyar Fadayi Asiabsary, Navid Hadiani, Amir Hossein Eghbali, Seyed Mohammad Ali Sadreddini
{"title":"Effects of Inclination of Longitudinal and Vertical Acceleration Components of Near-field Earthquake Records on Seismic Responses of Pile Foundation-Superstructure Systems in Liquefiable Soil Bed","authors":"Kooshyar Fadayi Asiabsary, Navid Hadiani, Amir Hossein Eghbali, Seyed Mohammad Ali Sadreddini","doi":"10.1142/s1793431123500422","DOIUrl":"https://doi.org/10.1142/s1793431123500422","url":null,"abstract":"","PeriodicalId":50213,"journal":{"name":"Journal of Earthquake and Tsunami","volume":"6 9","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139147686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Site Soil and Bus Bars on the Seismic Performance of an Isolated Power Transformer 场地土壤和母线对隔离式电力变压器抗震性能的影响
IF 1.5 4区 工程技术
Journal of Earthquake and Tsunami Pub Date : 2023-12-29 DOI: 10.1142/s1793431123500392
Yuebing Li, He Yuze, Liu Yang, Song Qushenglin, Shuang Xing
{"title":"Effect of Site Soil and Bus Bars on the Seismic Performance of an Isolated Power Transformer","authors":"Yuebing Li, He Yuze, Liu Yang, Song Qushenglin, Shuang Xing","doi":"10.1142/s1793431123500392","DOIUrl":"https://doi.org/10.1142/s1793431123500392","url":null,"abstract":"","PeriodicalId":50213,"journal":{"name":"Journal of Earthquake and Tsunami","volume":"5 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139147887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Event Detection Techniques and Optimization for Earthquake Early Warning Application 地震预警应用中的事件检测技术与优化
IF 1.5 4区 工程技术
Journal of Earthquake and Tsunami Pub Date : 2023-12-01 DOI: 10.1142/s1793431123500355
Anubrata Roy, Siddhartha Sarkar, Amarendra Goap, Satish Kumar
{"title":"Event Detection Techniques and Optimization for Earthquake Early Warning Application","authors":"Anubrata Roy, Siddhartha Sarkar, Amarendra Goap, Satish Kumar","doi":"10.1142/s1793431123500355","DOIUrl":"https://doi.org/10.1142/s1793431123500355","url":null,"abstract":"","PeriodicalId":50213,"journal":{"name":"Journal of Earthquake and Tsunami","volume":" 10","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138620053","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Numerical Investigation on Sloshing Phenomena in U-shaped Containers Subjected to Near-Fault Strong Ground Motions 受近断层强地动影响的 U 型集装箱中的坍塌现象数值研究
IF 1.5 4区 工程技术
Journal of Earthquake and Tsunami Pub Date : 2023-11-24 DOI: 10.1142/s1793431123500331
Anupama Das, Tanmoy Konar, Damodar Maity
{"title":"Numerical Investigation on Sloshing Phenomena in U-shaped Containers Subjected to Near-Fault Strong Ground Motions","authors":"Anupama Das, Tanmoy Konar, Damodar Maity","doi":"10.1142/s1793431123500331","DOIUrl":"https://doi.org/10.1142/s1793431123500331","url":null,"abstract":"","PeriodicalId":50213,"journal":{"name":"Journal of Earthquake and Tsunami","volume":"71 34","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139239873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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