| 锈蚀钢筋混凝土偏心受压柱承载力试验研究 |
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| 引用本文： | 易伟建,雷国强. 锈蚀钢筋混凝土偏心受压柱承载力试验研究[J]. 湖南农业大学学报(自然科学版), 2008, 35(3): 6-10 |
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| 作者姓名： | 易伟建 雷国强 |
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| 作者单位： | 湖南大学湖南省工程结构损伤诊断重点实验室,湖南长沙410082 |
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| 基金项目： | 国家自然科学基金 , 湖南省科技厅科技计划 |
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| 摘 要： | 试验研究了低锈蚀率钢筋对偏心受压构件承载力的影响.将4根钢筋混凝土柱置于湿盐砂中外通直流电加速锈蚀,锈蚀完毕后与3根未锈蚀柱进行偏心受压试验,试验在5 000 kN长柱试验机上进行.另外对锈蚀钢筋进行了拉伸试验.结果表明,偏心距较小时,锈蚀柱截面应变仍符合平截面假定;偏心距相同时锈蚀柱的承载力及刚度比完好柱明显降低.锈蚀钢筋的名义屈服强度、名义极限强度随锈蚀率呈线性降低;随钢筋锈蚀率增大,钢筋的延性降低更快.
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| 关 键 词： | 钢筋锈蚀 偏心受压 承载力 加速锈蚀 |
| 收稿时间： | 2007-01-12 |
| 修稿时间： | 2007-01-12 |
Experimental Research on the Bearing Capacity of Corroded Reinforced Concrete Columns |
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| YI Wei-jian,LEI Guo-qiang. Experimental Research on the Bearing Capacity of Corroded Reinforced Concrete Columns[J]. Journal of Hunan Agricultural University, 2008, 35(3): 6-10 |
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| Authors: | YI Wei-jian LEI Guo-qiang |
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| Abstract: | The effect of low corrosion rate steel bars on the bearing capacity of eccentric compressive columns was studied experimentally. 4 reinforced concrete columns were put in the wet sand with NaCl, extra electric currents were applied to accelerate the corro |
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| Keywords: | steel corrosion eccentric compression carrying capacity accelerated corrosion |
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