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| 钢管混凝土桥墩抗震性能试验研究 | |
| 引用本文： | 臧华,刘钊,李红英,涂永明.钢管混凝土桥墩抗震性能试验研究[J].防灾减灾工程学报,2010,30(4):442-446,451. |
| 作者姓名： | 臧华 刘钊 李红英 涂永明 |
| 作者单位： | 1. 南京工程学院建筑工程系,南京,211167 2. 东南大学土木工程学院,南京,210096 3. 解放军理工大学工程兵工程学院,南京,210007 |
| 基金项目： | 江苏省自然科学基金项目，南京工程学院人才引进基金项目 |
| 摘 要： | 为研究钢管混凝土桥墩的抗震性能,对钢管混凝土桥墩和钢筋混凝土桥墩进行了拟静力对比试验研究。根据试件的破坏发展过程以及各试件的滞回曲线和骨架曲线,分析了其滞回性能、耗能能力、延性、强度退化及刚度退化等抗震性能。试验结果表明,钢管混凝土桥墩的抗震性能明显好于钢筋混凝土桥墩。在含钢率和轴力相同的情况下,钢管混凝土桥墩的滞回曲线比钢筋混凝土桥墩丰满得多,前者的耗能能力约为后者的4.46倍,钢管混凝土桥墩的延性大于钢筋混凝土桥墩;随着轴压比的增大,钢管混凝土桥墩延性有所下降,强度退化加快,但对其刚度退化的影响不大。 |
| 关 键 词： | 钢管混凝土桥墩 抗震性能 试验研究 |
Experimental Study on Seismic Performance of Concrete-Filled Steel Bridge Piers |
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| ZANG Hua,LIU Zhao,LI Hong-ying,TU Yong-ming.Experimental Study on Seismic Performance of Concrete-Filled Steel Bridge Piers[J].Journal of Disaster Prevent and Mitigation Eng,2010,30(4):442-446,451. | |
| Authors: | ZANG Hua LIU Zhao LI Hong-ying TU Yong-ming |
| Institution: | ZANG Hua1,LIU Zhao2,LI Hong-ying3,TU Yong-ming2(1.School of Civil Engineering,Nanjing Institute of Technology,Nanjing 211167,China,2.School of Civil Engineering,Southeast University,Nanjing 210096,3.Engineering Insititute of Engineer Corps,PLA University of Science and Technology,Nanjing 210007,China) |
| Abstract: | In order to study the seismic behavior of concrete-filled steel bridge piers,an experiment of two concrete-filled circular steel bridge pier specimens and one reinforced concrete pier specimen was carried out subjected to reversed cyclic lateral loading combined with constant axial compression force.Based on the failure process of each specimen,the hysteretic curves and skeleton curves,the seismic performance,such as hysteretic behavior,energy dissipation,ductility,strength reduction and stiffness degradati... |
| Keywords: | concrete-filled steel bridge pier seismic performance experimental study |
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