| 梁柱端板连接节点的初始转动刚度计算模型 |
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| 引用本文： | 侯娟,叶志明,邹立华. 梁柱端板连接节点的初始转动刚度计算模型[J]. 建筑结构, 2005, 35(2): 37-39 |
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| 作者姓名： | 侯娟 叶志明 邹立华 |
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| 作者单位： | 上海大学土木工程系,200072;兰州交通大学土木工程学院,730070;上海大学土木工程系,200072;兰州交通大学土木工程学院,730070 |
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| 摘 要： | 首先利用分解法建立了梁柱螺栓端板连接节点的力学模型 ,然后基于梁板理论给出了节点初始转动刚度的解析公式。公式综合考虑了端板变形、柱翼缘以及螺栓对初始转动刚度的贡献 ,可方便地推广于平端板和外伸加劲端板连接初始转动刚度的计算。公式计算结果和试验结果以及有限元分析结果作了对比 ,吻合较好。同时给出了便于工程设计的简化公式。
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| 关 键 词： | 端板 连接 节点 弯矩 转角 初始转动刚度 半刚性 |
Calculation Model of the Initial Stiffness of Beam to Column End-plate Connections |
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| Hou Juan ,,Ye Zhiming ,Zou Lihua. Calculation Model of the Initial Stiffness of Beam to Column End-plate Connections[J]. Building Structure, 2005, 35(2): 37-39 |
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| Authors: | Hou Juan Ye Zhiming Zou Lihua |
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| Affiliation: | Hou Juan 1,2,Ye Zhiming 1,Zou Lihua 2 |
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| Abstract: | Based on the beam and plate theory, an analytical model to describe the initial stiffness of end-plate steel connections is presented. Explicit formulae are obtained for three types of end-plate connections, i.e., flush, extended unstiffened and extended stiffened, in which the effects of deformation of column flange, end-plate and bolts are taken into account. The influence of the end-plate thickness and the connection type on the initial stiffness is discussed. The results agree well with the FEM and experiment results.The approximate expressions of the explicit formulae are suggested. |
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| Keywords: | end-plate connections moment rotation initial stiffness semi-rigid |
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