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圆钢管混凝土偏压柱的力学性能

, PP. 40-46

Keywords: 桥梁工程,钢管混凝土柱,模型柱法,偏压,承载力,实用计算公式

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Abstract:

？首先对8根钢管自密实混凝土偏压柱的力学性能进行试验,分析偏心率和含钢率等因素对受力性能的影响;其次采用模型柱法和非线性有限元法对偏压柱试验结果进行全过程分析;最后采用模型柱法对钢管混凝土偏压柱进行大量数值仿真分析,提出一种新的圆钢管混凝土偏压柱承载力实用计算公式,并将该公式及中国其他学者提出的公式的计算结果与各国309组钢管混凝土偏压柱承载力有效试验结果进行对比分析。结果表明:该实用计算公式的计算结果与试验结果最为吻合;研究成果可为钢管混凝土柱设计提供参考。

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