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工业建筑  2011 

圆钢管橡胶混凝土短柱试验

DOI: 10.13204/j.gyjz201110023, PP. 95-99

Keywords: 钢管混凝土,橡胶混凝土,短柱,承载力,圆形截面

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Abstract:

对8个圆钢管橡胶混凝土轴心受压短柱进行试验研究,探讨橡胶粉取代率和橡胶粉粒径对圆钢管橡胶混凝土承载力的影响。采用有关设计规程包括美国ACI(2005)和AISC(2005)、日本AIJ(2008)、英国BS5400(2005)、欧洲EC4(2004)及中国DL/T5085—1999(1999)、DB21/T1746—2009(2009)等对圆钢管橡胶混凝土的承载力进行计算。结果表明随着橡胶粉取代率的增加和橡胶粉粒径的增大,圆钢管橡胶混凝土的承载力、刚度均有下降的趋势;上述各设计规程均能较好地计算圆钢管橡胶混凝土短柱的承载力,且计算结果偏于安全,其中,DL/T5085—1999与圆钢管橡胶混凝土短柱试验结果最为吻合。

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