Performance of Degrading Reinforced Concrete Frame Systems Under the Tohoku and Christchurch Earthquake Sequences

被引：60

作者：

Abdelnaby, Adel E. ^{[1
]}

Elnashai, Amr S. ^{[2
]}

机构：

[1] Univ Memphis, Dept Civil Engn, Memphis, TN 38152 USA

[2] Univ Illinois, Dept Civil & Environm Engn, Nathan M & Anne M Newmark Endowed Chair, Urbana, IL 61801 USA

来源：

JOURNAL OF EARTHQUAKE ENGINEERING | 2014年 / 18卷 / 07期

基金：

美国国家科学基金会;

关键词：

Reinforced Concrete; Multiple Earthquakes; Damage Accumulation; Stiffness and Strength Degradation; GROUND MOTION DURATION; BEHAVIOR; MODEL;

D O I：

10.1080/13632469.2014.923796

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Field investigations after the recent Tohoku and Christchurch earthquakes reported failure of structural systems due to multiple earthquakes. In most failure cases the reported damage was mainly due to dramatic loss of stiffness and strength of structural elements as a result of material deterioration due to repeated earthquake loading. This study aims to investigate the degrading behavior of reinforced concrete frame systems subjected to Tohoku and Christchurch earthquake sequences. Numerical models of RC frames that incorporate damage features are established and inelastic response history analyses are conducted. The results presented in this study indicate that multiple earthquake effects are significant.

引用

页码：1009 / 1036

页数：28

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