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再生混凝土强度计算Bolomey公式回归系数αa′、αb′的试验研究

Experiment research of regression coefficients αa′ and αb′ on strength calculation formula of recycled concrete

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【作者】 邓寿昌张学兵

【Author】 DENG Shou-chang 1,2,ZHANG Xue-bing 3(1.Department of Architecture and Civil Engineering,Huizhou University,Huizhou 516007,China;2.School of Civil Egineering and Architecture and Mechanics,Institute of Rheological Mechanics and Material Energineering,Central South University of Forestry and Technology, Changsha 410004,China;3.School of Civil Engineering and Mechanics,Xiangtan Hunan University,Xiangtan 411005,China)

【机构】 惠州学院建筑与土木工程系中南林业科技大学土木建筑与力学学院流变力学与材料科学研究所湘潭大学土木工程与力学学院

【摘要】 普通混凝土抗压强度与水泥强度和灰水比之间大致成线性关系,再生混凝土是否也有同样的关系,需要进行试验验证。在试验的基础上,提出了再生混凝土Bolomey公式的概念,建立了再生混凝土的强度计算公式,即灰水比与其抗压强度之间的关系,并探讨了再生混凝土Bolomey公式中系数αa′、αb′值的确定方法,可供再生混凝土配合比设计参考。

【Abstract】 It has a linear relation between the common concrete compression strength and cement strength with cement-water ratio,whether this relationship also exists in recycled concrete or not should be done experiment to verify.Based on some experiment,has put forward the concept of recycled concrete Bolomey Formula,established the relationship between recycled concrete compression strength and cement-water ratio,and discussed the method to determine αa′ and αb′ values in recycled concrete Bolomey Formula.

【基金】 惠州学院自然科学基金资助项目(C2.10.0107)
  • 【文献出处】 混凝土 ,Concrete , 编辑部邮箱 ,2012年08期
  • 【分类号】TU528.01
  • 【被引频次】23
  • 【下载频次】310
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