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2 平均应变率和动态抗压强度的拟合相关系数
Table 2 Fitting correlation coefficient between average strain rate and dynamic compressive strength
养护时间/d拟合类型R2平均值
1∶43∶72∶3
14线性0.930.900.900.91
多项式0.930.900.930.92
指数0.910.870.870.88
28线性0.980.930.920.94
多项式0.980.940.970.96
指数0.930.900.840.89