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Influence of Rebound Test Age on Presumed 28d Strength of Concrete
Author(s): 
Pages: 68-71
Year: 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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