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4 平均应变率和比能量吸收量的拟合相关系数
Table 4 Fitting correlation coefficient between average strain rate and DIF
拟合类型R2R2平均值
1∶43∶72∶3
线性0.960.950.990.97
多项式0.970.971.000.98
指数0.710.950.880.85
对数0.960.880.970.94