| 斜拉桥钢-混凝土结合段PBL剪力键承载力试验研究 |
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| 引用本文： | 李小珍,肖林,张迅,刘德军. 斜拉桥钢-混凝土结合段PBL剪力键承载力试验研究[J]. 钢结构, 2009, 24(9): 22-27 |
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| 作者姓名： | 李小珍 肖林 张迅 刘德军 |
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| 作者单位： | 西南交通大学土木工程学院,成都,610031;西南交通大学土木工程学院,成都,610031;西南交通大学土木工程学院,成都,610031;西南交通大学土木工程学院,成都,610031 |
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| 摘 要： | 对包括栓钉和PBL剪力键在内的3大类11子类共33个试件进行试验研究，并将模型试验与有限元仿真分析相结合，主要开展以下几个方面的工作：研究PBL剪力键的传力机理、荷栽-滑移规律及静载力学性能；分析PBL剪力键力学性能的影响因素；对比有限元分析结果与试验结果，分析采用非线性有限元分析来模拟推出试验的可行性；对比国内已有的典型推出试验的结果；对PBL剪力键的推出试验提出改进意见。
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| 关 键 词： | PBL键 推出试验 非线性分析 极限承载力 |
EXPERIMENTAL RESEARCH ON BEARING CAPACITY OF PBL SHEAR CONNECTORS OF STEEL-CONCRETE JOINT IN CABLE-STAYED BRIDGE |
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| Li Xiaozhen Xiao Lin Zhang Xun Liu Dejun. EXPERIMENTAL RESEARCH ON BEARING CAPACITY OF PBL SHEAR CONNECTORS OF STEEL-CONCRETE JOINT IN CABLE-STAYED BRIDGE[J]. Steel Construction, 2009, 24(9): 22-27 |
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| Authors: | Li Xiaozhen Xiao Lin Zhang Xun Liu Dejun |
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| Affiliation: | Li Xiaozhen Xiao Lin Zhang Xun Liu Dejun (School of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,China) |
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| Abstract: | Model test is adopted to investigate the mechanical characteristics of 33 specimens in 11 sub-types and three types including stud and perfobond rib shear connectors Combining the model test with finite element method, the main work has been done as follows:transmission mechanics, the load-slippage rule,mechanical property on dead-load have been researched, and the influencing factors for mechanical characteristics are analysed;the results of finite element method and typical push-out tests are contrasted,t... |
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| Keywords: | perfobond rib push-out test nonlinear analysis ultimate bearing capacity |
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