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Seismic behavior of concrete filled steel tubular arch structures
Shaking table tests of a 1:10 scale arch model performed to investigate the seismic behavior and resistance of concrete filled steel tubular (CFT) arch structures are described in this paper. The El-Centro record and Shanghai artificial wave were adopted as the input excitation. The entire test process can be divided into three stages depending on the lateral brace configurations, i.e., fully (five) braced, two braces removed, and all braces removed. A total of 46 tests, starting from the elastic state to failure condition, have been conducted. The natural vibration frequencies, responses of acceleration,displacement and strain were measured. From the test results, it is demonstrated that the CFT arch structures are capable of resisting severe ground motions and that CFT arches offer a credible alternative to reinforced concrete arches, especially in regions of high seismic intensity.
作 者： XIONG Feng Sashi K Kunnath Liu Haowu 作者单位： XIONG Feng(Dept. of Civil Engineering, Sichuan University, Chengdu 610065, China)Sashi K Kunnath(Dept. of Civil and Environmental Engineering, California University at Davis, CA95616, USA)
Liu Haowu(Dept. of hydraulic Engineering, Sichuan University, Chengdu 610065, China)
刊 名： 地震工程与工程振动（英文版） SCI 英文刊名： EARTHQUAKE ENGINEERING AND ENGINEERING VIBRATION 年，卷(期)： 2005 4(1) 分类号： P315 关键词： concrete filled steel tube arch structures shaking table test seismic behavior lateral braces【Seismic behavior of concrete filled 】相关文章：
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