| 腐蚀冻融循环作用下钢筋混凝土电缆排管抗剪试验 |
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| 引用本文： | 刘承斌,陈勇,王激扬,胡志华,余世策. 腐蚀冻融循环作用下钢筋混凝土电缆排管抗剪试验[J]. 低温建筑技术, 2017, 0(12): 51-54. DOI: 10.13905/j.cnki.dwjz.2017.12.013 |
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| 作者姓名： | 刘承斌 陈勇 王激扬 胡志华 余世策 |
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| 作者单位： | ;1.浙江大学土木工程学系 |
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| 摘 要： | 为研究埋设在地下的钢筋混凝土电缆排管耐久性问题,通过快速腐蚀冻融循环试验,分析了其对钢筋、混凝土材料的力学特性以及构件抗剪性能的影响。结果表明,经过腐蚀冻融循环后,钢筋的屈服强度和极限拉伸强度降低;混凝土性能呈现明显劣化;构件的抗剪承载力、刚度、延性和裂缝开展表现为明显的退化。
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| 关 键 词： | 钢筋混凝土电缆排管 材料的力学特性 腐蚀冻融循环 抗剪 |
SHEAR EXPERIMENT OF REINFORCED CONCRETE CABLE DUCT UNDER CORROSION FREEZE-THAW CYCLES |
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| Abstract: | In order to study the durability of the buried reinforced concrete cable duct,the mechanical properties of reinforced concrete and the shear behavior of concrete were analyzed through the rapid corrosion freezing thawing cycle test.The results show that the yield strength and the ultimate tensile strength of the steel bar as well as the performance of concrete are obviously decreased.Moreover,the shear capacity,stiffness,ductility and crack development of the reinforced concrete cable duct are evidently degraded. |
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