{"title":"金属级屈服阻尼器新型自定心预制双耗能框架抗震性能分析","authors":"Fangfang Geng , Youliang Ding , YuChen Zhuang","doi":"10.1016/j.istruc.2025.110249","DOIUrl":null,"url":null,"abstract":"<div><div>The new design dual energy dissipation self-centering prefabricated concrete (DED-SCPC) framework joint with the metallic staged-yielding dampers (MYDs) is proposed, and the specific fabrication and mechanics principle of the new joint are elaborated. The theoretical hysteresis behavior of the DED-SCPC joint reflects a new flag-shaped hysteresis curve with “two-inflection points and three-stiffness”. The refined numerical model of the DED-SCPC joint in ABAQUS and OpenSees are established and the quasi-static numerical analysis of the joint are performed, respectively. The hysteretic simulation results have verified the better seismic resilience of the new joint and accuracy of the OpenSees numerical model. The compressive and tension damage degree of the concrete, and the stress cloud map of MYDs are also analyzed. Subsequently, a four-span, six-story prefabricated DED-SCPC framework with the DED-SCPC joint is modeled by the OpenSees platform, and seismic fragility analysis based on the incremental dynamic analysis (IDA) is conducted. Three performance states are defined, including Immediate Occupancy (IO), Life Safety (LS), Collapse Prevention (CP). The results indicate that the DED-SCPC framework tends to reach the IO, and the failure probability also decreases accordingly at various seismic intensity. The DED-SCPC framework has the notable security ability and anti-collapse ability, corresponding to only 6 % and 0 % failure probability under the moderate earthquakes. Furthermore, the risk of collapse of the DED-SCPC framework is fairly low under major earthquakes.</div></div>","PeriodicalId":48642,"journal":{"name":"Structures","volume":"81 ","pages":"Article 110249"},"PeriodicalIF":4.3000,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Seismic behavior analysis of new self-centering prefabricated dual energy dissipation frames with metallic staged-yielding dampers\",\"authors\":\"Fangfang Geng , Youliang Ding , YuChen Zhuang\",\"doi\":\"10.1016/j.istruc.2025.110249\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>The new design dual energy dissipation self-centering prefabricated concrete (DED-SCPC) framework joint with the metallic staged-yielding dampers (MYDs) is proposed, and the specific fabrication and mechanics principle of the new joint are elaborated. The theoretical hysteresis behavior of the DED-SCPC joint reflects a new flag-shaped hysteresis curve with “two-inflection points and three-stiffness”. The refined numerical model of the DED-SCPC joint in ABAQUS and OpenSees are established and the quasi-static numerical analysis of the joint are performed, respectively. The hysteretic simulation results have verified the better seismic resilience of the new joint and accuracy of the OpenSees numerical model. The compressive and tension damage degree of the concrete, and the stress cloud map of MYDs are also analyzed. Subsequently, a four-span, six-story prefabricated DED-SCPC framework with the DED-SCPC joint is modeled by the OpenSees platform, and seismic fragility analysis based on the incremental dynamic analysis (IDA) is conducted. Three performance states are defined, including Immediate Occupancy (IO), Life Safety (LS), Collapse Prevention (CP). The results indicate that the DED-SCPC framework tends to reach the IO, and the failure probability also decreases accordingly at various seismic intensity. The DED-SCPC framework has the notable security ability and anti-collapse ability, corresponding to only 6 % and 0 % failure probability under the moderate earthquakes. Furthermore, the risk of collapse of the DED-SCPC framework is fairly low under major earthquakes.</div></div>\",\"PeriodicalId\":48642,\"journal\":{\"name\":\"Structures\",\"volume\":\"81 \",\"pages\":\"Article 110249\"},\"PeriodicalIF\":4.3000,\"publicationDate\":\"2025-09-18\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Structures\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2352012425020648\",\"RegionNum\":2,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ENGINEERING, CIVIL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Structures","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2352012425020648","RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENGINEERING, CIVIL","Score":null,"Total":0}
Seismic behavior analysis of new self-centering prefabricated dual energy dissipation frames with metallic staged-yielding dampers
The new design dual energy dissipation self-centering prefabricated concrete (DED-SCPC) framework joint with the metallic staged-yielding dampers (MYDs) is proposed, and the specific fabrication and mechanics principle of the new joint are elaborated. The theoretical hysteresis behavior of the DED-SCPC joint reflects a new flag-shaped hysteresis curve with “two-inflection points and three-stiffness”. The refined numerical model of the DED-SCPC joint in ABAQUS and OpenSees are established and the quasi-static numerical analysis of the joint are performed, respectively. The hysteretic simulation results have verified the better seismic resilience of the new joint and accuracy of the OpenSees numerical model. The compressive and tension damage degree of the concrete, and the stress cloud map of MYDs are also analyzed. Subsequently, a four-span, six-story prefabricated DED-SCPC framework with the DED-SCPC joint is modeled by the OpenSees platform, and seismic fragility analysis based on the incremental dynamic analysis (IDA) is conducted. Three performance states are defined, including Immediate Occupancy (IO), Life Safety (LS), Collapse Prevention (CP). The results indicate that the DED-SCPC framework tends to reach the IO, and the failure probability also decreases accordingly at various seismic intensity. The DED-SCPC framework has the notable security ability and anti-collapse ability, corresponding to only 6 % and 0 % failure probability under the moderate earthquakes. Furthermore, the risk of collapse of the DED-SCPC framework is fairly low under major earthquakes.
期刊介绍:
Structures aims to publish internationally-leading research across the full breadth of structural engineering. Papers for Structures are particularly welcome in which high-quality research will benefit from wide readership of academics and practitioners such that not only high citation rates but also tangible industrial-related pathways to impact are achieved.