{"title":"Seismic performance evaluation of hybrid coupled shear wall system with shear and flexural fuse-type steel coupling beams","authors":"Zahra Ramezandoust, Abbas Tajaddini, Panam Zarfam","doi":"10.1007/s11803-024-2266-4","DOIUrl":null,"url":null,"abstract":"<p>Replaceable flexural and shear fuse-type coupling beams are used in hybrid coupled shear wall (HCSW) systems, enabling concrete buildings to be promptly recovered after severe earthquakes. This study aimed to analytically evaluate the seismic behavior of flexural and shear fuse beams situated in short-, medium- and high-rise RC buildings that have HCSWs. Three building groups hypothetically located in a high seismic hazard zone were studied. A series of 2D nonlinear time history analyses was accomplished in OpenSees, using the ground motion records scaled at the design basis earthquake level. It was found that the effectiveness of fuses in HCSWs depends on various factors such as size and scale of the building, allowable rotation value, inter-story drift ratio, residual drift quantity, energy dissipation value of the fuses, etc. The results show that shear fuses better meet the requirements of rotations and drifts. In contrast, flexural fuses dissipate more energy, but their sectional stiffness should increase to meet other requirements. It was concluded that adoption of proper fuses depends on the overall scale of the building and on how associated factors are considered.</p>","PeriodicalId":11416,"journal":{"name":"Earthquake Engineering and Engineering Vibration","volume":"44 1","pages":""},"PeriodicalIF":2.6000,"publicationDate":"2024-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Earthquake Engineering and Engineering Vibration","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.1007/s11803-024-2266-4","RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENGINEERING, CIVIL","Score":null,"Total":0}
引用次数: 0
Abstract
Replaceable flexural and shear fuse-type coupling beams are used in hybrid coupled shear wall (HCSW) systems, enabling concrete buildings to be promptly recovered after severe earthquakes. This study aimed to analytically evaluate the seismic behavior of flexural and shear fuse beams situated in short-, medium- and high-rise RC buildings that have HCSWs. Three building groups hypothetically located in a high seismic hazard zone were studied. A series of 2D nonlinear time history analyses was accomplished in OpenSees, using the ground motion records scaled at the design basis earthquake level. It was found that the effectiveness of fuses in HCSWs depends on various factors such as size and scale of the building, allowable rotation value, inter-story drift ratio, residual drift quantity, energy dissipation value of the fuses, etc. The results show that shear fuses better meet the requirements of rotations and drifts. In contrast, flexural fuses dissipate more energy, but their sectional stiffness should increase to meet other requirements. It was concluded that adoption of proper fuses depends on the overall scale of the building and on how associated factors are considered.
期刊介绍:
Earthquake Engineering and Engineering Vibration is an international journal sponsored by the Institute of Engineering Mechanics (IEM), China Earthquake Administration in cooperation with the Multidisciplinary Center for Earthquake Engineering Research (MCEER), and State University of New York at Buffalo. It promotes scientific exchange between Chinese and foreign scientists and engineers, to improve the theory and practice of earthquake hazards mitigation, preparedness, and recovery.
The journal focuses on earthquake engineering in all aspects, including seismology, tsunamis, ground motion characteristics, soil and foundation dynamics, wave propagation, probabilistic and deterministic methods of dynamic analysis, behavior of structures, and methods for earthquake resistant design and retrofit of structures that are germane to practicing engineers. It includes seismic code requirements, as well as supplemental energy dissipation, base isolation, and structural control.