Constant Ductility Energy Factors for the Near-Fault Pulse-Like Ground Motions

被引:19
|
作者
Zhai, Changhai [1 ,2 ]
Ji, Duofa [1 ,2 ]
Wen, Weiping [1 ,2 ]
Lei, Weidong [3 ]
Xie, Lili [2 ,4 ]
机构
[1] Harbin Inst Technol, Minist Educ, Key Lab Struct Dynam Behav & Control, Harbin, Heilongjiang, Peoples R China
[2] Harbin Inst Technol, Sch Civil Engn, Harbin 150090, Peoples R China
[3] Harbin Inst Technol, Shenzhen Grad Sch, Shenzhen, Peoples R China
[4] China Earthquake Adm, Inst Engn Mech, Harbin, Peoples R China
基金
中国国家自然科学基金;
关键词
Energy Factors; Near-Fault Pulse-Like Ground Motions; Earthquake Magnitude; Rupture Distance; Damping Ratios; INELASTIC DISPLACEMENT RATIOS; BUCKLING-RESTRAINED BRACES; STRENGTH-REDUCTION FACTORS; SEISMIC DESIGN; EARTHQUAKE FAULTS; BALANCE CONCEPT; SPECTRA; FRAMES; SYSTEMS; DIRECTIVITY;
D O I
10.1080/13632469.2016.1157529
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
This study is focused on the constant ductility energy factors for bilinear system under the near-fault pulse-like ground motions. The variation of energy factors is studied in consideration of the earthquake magnitude, rupture distance, damping ratios, and post-yield stiffness ratios. The results indicate that the near-fault pulse-like ground motions would increase the energy dissipation of structures. The energy factors are significantly influenced by the earthquake magnitude. The damping ratios have more obvious influences on the energy factors than the post-yield stiffness ratios. A predictive model is proposed for the application of constant ductility energy factors for near-fault pulse-like ground motions.
引用
收藏
页码:343 / 358
页数:16
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