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Seismic design or retrofit of buildings with metallic structural fuses by the damage-reduction spectrum
Recently, the structural fuse has become an important issue in the field of earthquake engineering. Due to the trilinearity of the pushover curve of buildings with metallic structural fuses, the mechanism of the structural fuse is investigated through the ductility equation of a single-degree-of-fre...
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Published in: | Earthquake Engineering and Engineering Vibration 2015-03, Vol.14 (1), p.85-96 |
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creator | Li, Gang Jiang, Yi Zhang, Shuchuan Zeng, Yan Li, Qiang |
description | Recently, the structural fuse has become an important issue in the field of earthquake engineering. Due to the trilinearity of the pushover curve of buildings with metallic structural fuses, the mechanism of the structural fuse is investigated through the ductility equation of a single-degree-of-freedom system, and the corresponding damage-reduction spectrum is proposed to design and retrofit buildings. Furthermore, the controlling parameters, the stiffness ratio between the main frame and structural fuse and the ductility factor of the main frame, are parametrically studied, and it is shown that the structural fuse concept can be achieved by specific combinations of the controlling parameters based on the proposed damage-reduction spectrum. Finally, a design example and a retrofit example, variations of real engineering projects after the 2008 Wenchuan earthquake, are provided to demonstrate the effectiveness of the proposed design procedures using buckling restrained braces as the structural fuses. |
doi_str_mv | 10.1007/s11803-015-0008-3 |
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Eng. Eng. Vib</addtitle><addtitle>Earthquake Engineering and Engineering Vibration</addtitle><description>Recently, the structural fuse has become an important issue in the field of earthquake engineering. Due to the trilinearity of the pushover curve of buildings with metallic structural fuses, the mechanism of the structural fuse is investigated through the ductility equation of a single-degree-of-freedom system, and the corresponding damage-reduction spectrum is proposed to design and retrofit buildings. Furthermore, the controlling parameters, the stiffness ratio between the main frame and structural fuse and the ductility factor of the main frame, are parametrically studied, and it is shown that the structural fuse concept can be achieved by specific combinations of the controlling parameters based on the proposed damage-reduction spectrum. Finally, a design example and a retrofit example, variations of real engineering projects after the 2008 Wenchuan earthquake, are provided to demonstrate the effectiveness of the proposed design procedures using buckling restrained braces as the structural fuses.</description><subject>Building design</subject><subject>Buildings</subject><subject>Civil Engineering</subject><subject>Control</subject><subject>Damage</subject><subject>Design engineering</subject><subject>Ductility</subject><subject>Dynamical Systems</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Earthquake damage</subject><subject>Earthquake engineering</subject><subject>Earthquakes</subject><subject>Frames</subject><subject>Fuses</subject><subject>Geotechnical Engineering & Applied Earth Sciences</subject><subject>Mathematical analysis</subject><subject>Retrofitting</subject><subject>Seismic activity</subject><subject>Seismic engineering</subject><subject>Seismic 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Qiang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Seismic design or retrofit of buildings with metallic structural fuses by the damage-reduction spectrum</atitle><jtitle>Earthquake Engineering and Engineering Vibration</jtitle><stitle>Earthq. Eng. Eng. Vib</stitle><addtitle>Earthquake Engineering and Engineering Vibration</addtitle><date>2015-03-01</date><risdate>2015</risdate><volume>14</volume><issue>1</issue><spage>85</spage><epage>96</epage><pages>85-96</pages><issn>1671-3664</issn><eissn>1993-503X</eissn><abstract>Recently, the structural fuse has become an important issue in the field of earthquake engineering. Due to the trilinearity of the pushover curve of buildings with metallic structural fuses, the mechanism of the structural fuse is investigated through the ductility equation of a single-degree-of-freedom system, and the corresponding damage-reduction spectrum is proposed to design and retrofit buildings. Furthermore, the controlling parameters, the stiffness ratio between the main frame and structural fuse and the ductility factor of the main frame, are parametrically studied, and it is shown that the structural fuse concept can be achieved by specific combinations of the controlling parameters based on the proposed damage-reduction spectrum. Finally, a design example and a retrofit example, variations of real engineering projects after the 2008 Wenchuan earthquake, are provided to demonstrate the effectiveness of the proposed design procedures using buckling restrained braces as the structural fuses.</abstract><cop>Heidelberg</cop><pub>Institute of Engineering Mechanics, China Earthquake Administration</pub><doi>10.1007/s11803-015-0008-3</doi><tpages>12</tpages></addata></record> |
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subjects | Building design Buildings Civil Engineering Control Damage Design engineering Ductility Dynamical Systems Earth and Environmental Science Earth Sciences Earthquake damage Earthquake engineering Earthquakes Frames Fuses Geotechnical Engineering & Applied Earth Sciences Mathematical analysis Retrofitting Seismic activity Seismic engineering Seismic phenomena Structural engineering Vibration 单自由度系统 地震工程 建筑设计 抗震设计 损伤 控制参数 熔断器 金属结构 |
title | Seismic design or retrofit of buildings with metallic structural fuses by the damage-reduction spectrum |
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