| 钢管约束混凝土压弯构件滞回性能的实验研究 |
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| 引用本文： | 尧国皇,韩林海.钢管约束混凝土压弯构件滞回性能的实验研究[J].地震工程与工程振动,2004,24(6):89-96. |
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| 作者姓名： | 尧国皇 韩林海 |
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| 作者单位： | 福州大学,土木建筑工程学院,福建,福州,350002 |
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| 基金项目： | 国家杰出青年科学基金项目(50425823)，福建省引进高层次人才科研启动项目. |
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| 摘 要： | 进行了12个钢管约束混凝土压弯构件在往复荷载作用下的荷载-变形滞回性能的实验研究，包括6个圆试件和6个方试件。考察的主要参数是构件的轴压比。通过实验观察了这类构件在往复荷载作用下的破坏模态并分析了其荷载-变形滞回曲线的特点以及刚度退化规律，同时对钢管约束混凝土压弯构件极限承载力和抗弯刚度计算方法进行了初步探讨。
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| 关 键 词： | 钢管约束混凝士 压弯构件 滞回性能 承载力 抗弯刚度 |
| 文章编号： | 1000-1301(2004)06-0089-08 |
Cyclic behavior of steel tube confined concrete beam-columns |
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| Yao Guohuang,Han Linhai.Cyclic behavior of steel tube confined concrete beam-columns[J].Earthquake Engineering and Engineering Vibration,2004,24(6):89-96. |
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| Authors: | Yao Guohuang Han Linhai |
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| Abstract: | The behavior of steel tube confined concrete beam-columns under constant axial load and Cyclically increasing flexural loading was investigated experimentally. A total of 12 specimens were tested, including six circular specimens and six square specimens. The main parameter varying in the test is axial load level. The main objectives of these tests are twofold: first, to observe the failure modes and analyses the characteristics of load versus deformation hysteretic curve and the rule of the rigidity degradation, second, to carry primary discussion on calculating for bearing capacity and flexural stiffness of steel tube confined concrete beam-columns. |
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| Keywords: | steel tube confined concrete beam-columns cyclic behavior bearing capacity flexural stiffness |
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