| 钢箱梁斜拉桥索梁锚固区的抗疲劳性能试验研究 |
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| 引用本文： | 包立新,卫星,李俊,李小珍,强士中,任伟平.钢箱梁斜拉桥索梁锚固区的抗疲劳性能试验研究[J].工程力学,2007,24(8):127-132. |
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| 作者姓名： | 包立新 卫星 李俊 李小珍 强士中 任伟平 |
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| 作者单位： | 1. 西南交通大学土木工程学院,四川,成都,610031;重庆交通大学土木工程学院,重庆,430003
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
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西部交通建设科技项目 |
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| 摘 要： | 广东湛江海湾大桥采用锚拉板式索梁锚固结构,锚拉板式锚固结构存在严重应力集中,特别是在运营活载作用下的抗疲劳性能值得关注。介绍了锚拉板式索梁锚固结构的特点及其在大跨斜拉桥中的应用,对湛江海湾大桥锚拉板式索梁锚固结构的足尺模型疲劳试验进行介绍,结合理论分析和疲劳试验结果,研究循环荷载作用下锚拉板式索梁锚固结构的抗疲劳性能,对锚拉板式索梁锚固结构耐久性做出了评价。
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| 关 键 词： | 斜拉桥 锚拉板 索梁锚固结构 疲劳试验 应力集中 |
| 文章编号： | 1000-4750（2007）08-0127-06 |
| 修稿时间： | 2006-01-092006-07-26 |
MODEL TEST FOR FATIGUE PERFORMANCE OF ANCHORAGE IN CABLE-STAYED BRIDGE WITH STEEL BOX GIRDER |
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| BAO Li-xin,WEI Xing,LI Jun,LI Xiao-zhen,QIANG Shi-zhong,REN Wei-ping.MODEL TEST FOR FATIGUE PERFORMANCE OF ANCHORAGE IN CABLE-STAYED BRIDGE WITH STEEL BOX GIRDER[J].Engineering Mechanics,2007,24(8):127-132. |
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| Authors: | BAO Li-xin WEI Xing LI Jun LI Xiao-zhen QIANG Shi-zhong REN Wei-ping |
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| Affiliation: | 1. School of Civil Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China; 2. School of Civil Engineering, Chongqing Jiaotong University, Chongqing 430003, China |
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| Abstract: | Cable-girder anchorage in anchor-plate form was adopted to connect cable with steel box girder in Zhanjiang Bay Bridge. Its mechanical behavior is very complicated and fatigue performance of anchorage system under service live-loads needs special attention. The application of anchor-plate anchorage structure in long span cable-stayed bridge is introduced. The characteristics of anchor-plate anchorage structure are investigated and fatigue test of a full-scale model of the anchorage zone is introduced. Combining theoretical analysis with the result obtained from fatigue test, stress contributions of the anchorage system under cyclic loading and static loading are analyzed in detail and the fatigue performance of the anchorage system under cyclic loading is assessed. |
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| Keywords: | cable-stayed bridge anchor-plate cable-girder anchorage fatigue test stress concentrate |
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