| 斜拉桥桥塔钢—混凝土结合段模型试验研究 |
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| 引用本文： | 司秀勇,肖林,赵建波. 斜拉桥桥塔钢—混凝土结合段模型试验研究[J]. 中国铁道科学, 2011, 32(5): 26-31 |
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| 作者姓名： | 司秀勇 肖林 赵建波 |
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| 作者单位： | 1. 燕山大学建筑工程与力学学院,河北秦皇岛,066004
2. 西南交通大学土木工程学院,四川成都,610031 |
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| 基金项目： | 国家自然科学基金资助项目(50808150) |
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| 摘 要： | 根据几何、物理以及边界条件相似原则,设计绵阳城南新区1号桥桥塔钢—混凝土结合段的缩尺试验模型.对试验模型分别进行正常使用极限状态与承载能力极限状态加载,测试试验模型控制断面和主要构件的应力、变形随加载历程的变化.试验结果表明:结合段钢结构、混凝土结构及PBL键贯穿钢筋的应力水平较低,钢箱与混凝土之间相对滑移量较小,钢箱...
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| 关 键 词： | 斜拉桥 桥塔 钢—混凝土结合段 PBL键 模型试验 |
Model Test Research on the Steel-Concrete Joint Section of Cable Stayed Bridge Tower |
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| SI Xiuyong,XIAO Lin,ZHAO Jianbo. Model Test Research on the Steel-Concrete Joint Section of Cable Stayed Bridge Tower[J]. China Railway Science, 2011, 32(5): 26-31 |
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| Authors: | SI Xiuyong XIAO Lin ZHAO Jianbo |
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| Affiliation: | SI Xiuyong1,XIAO Lin2,ZHAO Jianbo1(1.College of Civil Engineering & Mechanics,Yanshan University,Qinhuangdao Hebei 066004,China,2.School of Civil Engineering,Southwest Jiaotong University,Chengdu Sichuan 610031,China) |
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| Abstract: | Based on the similarity principle of geometry,physics and boundary conditions,a reduced scale test model of the steel-concrete joint section of the No.1 bridge tower in the new south district in Mianyang was designed.The test model was loaded according to the serviceability limit state and ultimate limit state separately,and the variations of stress and deformation of the control sections and main members with loading history were obtained.As shown in the results,the stress of the steel structure,the concre... |
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| Keywords: | Cable stayed bridge Bridge tower Steel-concrete joint section PBL shear connector Model test |
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