| 承载力比值对摩擦型自复位节点抗震性能的影响 |
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| 引用本文： | 王一帆,李启才,方有珍. 承载力比值对摩擦型自复位节点抗震性能的影响[J]. 钢结构, 2013, 0(12): 26-30 |
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| 作者姓名： | 王一帆 李启才 方有珍 |
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| 作者单位： | 苏州科技学院土木工程学院,江苏苏州215011 |
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| 摘 要： | 钢绞线与高强螺栓连接提供的节点抗弯承载力比值是影响摩擦耗能型梁柱自复位节点抗震性能的重要参数.采用有限元软件ANSYS 10.0,对5个按照不同抗弯承载力比值设计的节点模型进行单调和循环加载模拟,分析该参数对节点抗震性能的影响.研究表明：当高强螺栓连接的抗弯承载力比钢绞线的抗弯承载力略小时,节点的耗能性能最强且具有自复位能力.建议将节点设计弯矩按钢绞线与高强螺栓连接承载力比值分配,分别设计钢绞线与高强螺栓连接.
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| 关 键 词： | 梁枉自复位节点 高强螺栓摩擦耗能 有限元模拟 钢绞线 设计方法 |
EFFECT OF FLEXURAL BEARING CAPACITY RATIO ON SEISMIC PERFORMANCE OF FRICTION SELF-CENTERING CONNECTION |
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| WangYifan,Li Qicai,Fang Youzhen. EFFECT OF FLEXURAL BEARING CAPACITY RATIO ON SEISMIC PERFORMANCE OF FRICTION SELF-CENTERING CONNECTION[J]. Steel Construction, 2013, 0(12): 26-30 |
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| Authors: | WangYifan Li Qicai Fang Youzhen |
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| Affiliation: | (College of Civil Engineering, University of Science and Technology of Suzhou, Suzhou 215011, China) |
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| Abstract: | The ratio of flexural bearing capacity of a joint provided by steel strands and the high-strength bolt connection is an important factor influencing the seismic performance of post tensioned friction self-centering connection of beam column. By ANSYS 10. 0, five modes of the connection under both monotonic and cyclic loadings are studied to analyze the effect of the said factor on the seismic performance of the joint. Results show that when flexural capacity of connection is little smaller than that of the steel strands,the energy dissipation and self centering behaviour of the connection are best. Finally,the design suggestions are proposed. |
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| Keywords: | beam-column self-centering connection frictional energy dissipation with high-strength bolts finiteelement simulation steel strands designing method |
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