【摘要】 分析了大流动性混凝土试块收缩变形测量数据，推导出了混凝土实际收缩应变量。在此基础上，对预应力混凝土简支梁变形测试数据进行分析，推导出了混凝土实际徐变系数，并得到适合工程实际施工条件的混凝土徐变系数计算公式更多还原

【Abstract】 In this paper ,a shrinkage rate of concrete was deduced by analyzing measured data ofthe shrinkage strain of big flowability concrete .Concrete creep coefficient was gotten by analyzing the data of a simply - sup ported prestressed concrete beam ,and the calculating formula of concrete creep coefficient was putforward .更多还原