磷石膏胶结充填体动态力学特性研究
刘业繁,石英

Study on Dynamic Mechanical Characteristics of Phosphogypsum Cemented Filling Body
Yefan LIU,Ying SHI
表3 平均应变率和DIF的拟合相关系数
Table 3 Fitting correlation coefficient between average strain rate and DIF
养护时间/d拟合类型R2

R2

平均值

1∶43∶72∶3
14线性0.890.880.830.87
多项式0.890.890.930.90
指数0.870.830.800.83
对数0.820.880.910.87
28线性0.970.900.910.93
多项式0.970.900.920.93
指数0.950.890.890.91
对数0.920.870.930.91