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钢筋锈蚀对钢筋混凝土圆柱抗震性能的影响

, PP. 55-60

Keywords: 桥梁工程,钢筋混凝土圆柱,低周反复试验,抗震性能,钢筋锈蚀,延性

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Abstract:

?对不同锈蚀程度的钢筋混凝土圆柱进行了低周反复试验,研究了不同轴压比下钢筋锈蚀率对钢筋混凝土圆柱承载力、刚度、延性、耗能能力等的影响,并给出了试件的滞回曲线和骨架曲线。试验结果表明:随着钢筋锈蚀率和轴压比的增大,滞回环的面积逐渐减小,试件的刚度、延性和耗能能力逐步降低;当遭受严重腐蚀时,试件可能由塑性破坏转变为脆性破坏。

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