| 锈蚀钢筋混凝土梁抗弯承载力计算及破坏截面预测 |
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| 引用本文： | 吴 锋,张 章,邱 松.锈蚀钢筋混凝土梁抗弯承载力计算及破坏截面预测[J].水运工程,2014(8):20-23. |
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| 作者姓名： | 吴 锋 张 章 邱 松 |
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| 作者单位： | 1. 上海交通大学,上海200240;中交上海三航科学研究院有限公司,上海200032
2. 中交上海三航科学研究院有限公司,上海,200032 |
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| 基金项目： | 交通部交通建设科技项目基金（201332849A090） |
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| 摘 要： | 通过锈蚀钢筋混凝土梁抗弯承载力试验,在已经提出的基于锈胀裂缝宽度的锈蚀率计算方法基础上,根据承载力试验结果建立了基于计算锈蚀率的锈蚀梁承载力计算方法,同时提出了锈蚀梁危险截面位置的预测方法,与已有研究成果的对比表明,该方法具有良好的准确性和实用性,可以为锈蚀梁残余承载力和危险截面的预测提供参考。
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| 关 键 词： | 梁 承载力 计算锈蚀率 |
Calculation of flexural capacity and prediction of failure section of corroded concrete beams |
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| WU Feng,ZHANG Zhang and QIU Song.Calculation of flexural capacity and prediction of failure section of corroded concrete beams[J].Port & Waterway Engineering,2014(8):20-23. |
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| Authors: | WU Feng ZHANG Zhang and QIU Song |
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| Institution: | Shanghai Jiaotong University,Shanghai 200240,China;Shanghai Third Harbour Engineering Science & Technology Research Institute Co.,Ltd.,Shanghai 200032,China;Shanghai Third Harbour Engineering Science & Technology Research Institute Co.,Ltd.,Shanghai 200032,China;Shanghai Third Harbour Engineering Science & Technology Research Institute Co.,Ltd.,Shanghai 200032,China |
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| Abstract: | The forms and characteristics of the corroded beams are analyzed through flexural capacity test for corroded beams.According to test results and corrosion rate calculation method obtainded by the authors,calculation method of flexural capacity for corroded beams,as well as dangerous section prediction method is established.Campared to existing research results,adequate accuracy and practicability of this method can provide reference for residual flexural capacity and dangerous section prediction of corroded beams. |
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| Keywords: | beam bearing capacity calculating corrosion rate |
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