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Influence of Rebound Test Age on Presumed 28d Strength of Concrete
Author(s): Zhang Jin, Yan Handong
Pages: 68-
71
Year: 2011
Issue:
22
Journal: Construction Technology
Keyword: 混凝土; 龄期; 回弹法; 测强曲线; 回弹值; 碳化深度; 实测强度; 试验;
Abstract: 针对闽南地区花岗岩机制砂配制不同强度等级的非泵送混凝土试块,按照《回弹法检测混凝土抗压强度技术规程》JGJ/T23-2001的标准方法分别测试14,28,60,90,180,360d混凝土试件的回弹值、碳化深度和实测强度,并选用指定的幂函数模型进行回归分析,建立闽南地区花岗岩机制砂非泵送混凝土回弹法测强曲线.通过系统分析不同强度等级混凝土回弹值、碳化深度和实测强度随龄期变化规律,进一步分析龄期对回...
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