预应力混凝土用钢绞线应力松弛试验结果不确定度的评定和分析
首发时间:2006-11-09
摘要:本文采用GB/T11020-1996标准方法对预应力混凝土用钢绞线进行了应力松弛试验,根据JJF1059-1999《测量不确定度评定与表示》对试验结果的不确定度进行了评定和分析,提供了评定同类试验结果不确定度的参考依据。
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THE UNCERTAINTY EVALUATION OF THE STRESS RELAXATION TESTING FOR STEEL STRAND USED FOR PRESTRESSED CONCRETE
Abstract:In this paper, stress relaxation ratio of one kind of steel strand used for prestressed concrete is measured according to GB/T10120-1996. The uncertainty of the result is analyzed and evaluated depending on the standard of JJF 1059-1999. Then, the method of uncertainty evaluation conduces to other similar cases
Keywords: Steel strand Stress relaxation test Uncertainty evaluation
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No.9397852971163046****
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