收缩方程
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shrinkage calculation equation 收缩计算公式
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Research results show that the relationship between autogenous shrinkage at early ages and ultimate tensile strain can be approximately figured by a quadric equation.
研究结果表明，混凝土早期自收缩大小与相应的极限拉伸应变具有显著的二次曲线关系；
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