BEARING CAPACITY ANALYSIS OF THE CONCRETE COLUMNS WITH HIGH STRENGTH CORE UNDER AXIAL COMPRESSION LOAD
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摘要: 为验证在核心高强素混凝土短柱试验研究基础上提出的核心高强混凝土柱轴心受压承载力计算公式的正确性,对3根核心高强混凝土柱和1根普通钢筋混凝土柱进行轴压试验,并对试验柱的破坏特征进行分析,对核心高强混凝土柱轴心受压承载力计算公式予以验证。结果表明:核心高强混凝土柱的破坏特征与普通钢筋混凝土柱相似,承载力有明显的提高;试验结果与文献[3]所提公式的轴心受压承载力计算值吻合良好。Abstract: Based on experimental research on plain concrete columns with high strength core,the formula to predict the bearing capacity of concrete columns with high strength core under axial compression load was brought forward in previous paper,in order to verify the formula whether right,axial compression tests including 3 concrete columns with high strength core and 1 general reinforced concrete column were completed in this paper, and the failure characteristic was analyzed additionally. According to experimental results,it can be shown that the failure modes of the concrete columns with high strength core are similar to those of general reinforced concrete columns,however,the bearing capacity of concrete columns with high strength core is significant high as compared with that of general reinforced concrete columns; the results of the bearing capacity obtained by the literature [3] was in good agreement with the experimental results.
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Key words:
- core high strength concrete /
- external ordinary concrete /
- column /
- bearing capacity
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