单轴压缩下充填体损伤本构模型研究
靳少博,刘科伟,黄进,靳绍虎

Study on Damage Constitutive Model of Backfill Under Uniaxial Compression Loading
Shaobo JIN,Kewei LIU,Jin HUANG,Shaohu JIN
表2 不同灰砂比全尾砂充填体拟合参数及相关物理力学参数
Table 2 Fitting parameters and related physical mechanical parameters of full tailings backfill with different cement-sand ratios
灰砂比na /(×10-2mεc /(×10-2E /GPaR2
1∶40.7561.8761.5291.15610.1880.995
1∶60.8571.7541.3390.8940.1070.996
1∶80.8341.6601.3660.9340.0890.993
1∶100.8371.9291.7570.9340.0380.991