基于指数准则在莫尔空间对岩石剪切强度的研究

尤明庆

STUDY ON SHEAR STRENGTH OF ROCKS USING THE EXPONENTIAL CRITERION IN MOHR'S STRESS SPACE

Mingqing You

表1 岩石常规三轴压缩试验参数及指数强度准则的分析

Table 1 Test results of conventional triaxial compression and analyses with the exponential strength criterion

references cited Q0 /MPa /MPa K0 CP/MPa c*/c0 fM/C0 TS /C0 T/C0 ^3/Q0 Mizuho[3] 100.0 100.0 316.0 7.54 0 ?75.0 0.111 0.376 0.795 0.738 0.742 0.455 Dolomite[3] 262.0 262.0 701.7 6.15 0 ?125.0 0.144 0.364 0.754 0.744 0.778 0.408 Marble[35] 15.9 34.3 113.8 8.66 1.4 ?27.6 0.099 0.378 0.838 0.735 0.703 0.437 Halite[37] 23.0 23.0 96.0 8.38 0 ?28.0 0.080 0.388 0.791 0.732 0.747 0.630 Vosage SS[38] 33.5* 30.1 115.3 6.91 0.5 ?60.0 0.096 0.383 0.735 0.729 0.797 0.648 Dunn. SS[8] 29.7 29.7 94.5 5.27 0 ?60.0 0.132 0.369 0.662 0.735 0.880 0.623 Jinping SS[40] 61.6 83.4 270.2 5.49 1.2 ?70.0 0.127 0.371 0.674 0.735 0.865 0.618 Bunt SS[41] 60.0 77.9 297.0 4.59 5.0 ?60.0 0.119 0.374 0.581 0.727 0.995 0.937 Potts. SS[42] 62.1 90.3 391.0 8.55 6.9 ?62.1 0.077 0.388 0.796 0.729 0.740 0.648 Coarse SS[43] 37.2 ?67.7 52.7 236.0 9.03 0 ?51.7 0.072 0.389 0.814 0.726 0.721 0.645 68.0 237.0 8.40 upper 0.095 0.381 0.817 0.736 0.723 0.485 Darley Dale 74.9 ?83.2 80.2 328.0 7.57 0 ?52.8 0.086 0.386 0.759 0.729 0.774 0.661 SS[43] 95.0 331.0 7.26 upper 0.103 0.379 0.766 0.733 0.766 0.542