Numerical Built-In Method for the Nonlinear JRC/JCS Model in Rock Joint

Table 1

Validation of the numerical model.

Normal stress/MPa	Shear strength by test/MPa	Shear strength by Mohr-Coulomb model/MPa	Shear strength by JRC/JCS model/MPa
1	2.038	2.587	1.547
2	1.459	3.247	2.604
3	4.044	3.908	3.545
4	4.064	4.569	4.417
5	5.859	5.230	5.24
6	6.589	5.890	6.025
7	7.076	6.551	6.781
8	7.388	7.212	7.511
9	8.976	7.872	8.22
10	8.297	8.533	8.91
11	9.146	9.194	9.583
12	9.790	9.854	10.241
13	10.475	10.515	10.886
14	12.102	11.176	11.519
15	11.338	11.837	12.14
16	13.911	12.497	12.751
17	13.315	13.158	13.352
18	13.579	13.819	13.944
19	13.840	14.479	14.527
20	15.238	15.140	15.103
21	15.254	15.801	15.671
22	16.248	16.461	16.232
23	17.081	17.122	16.786
24	17.995	17.783	17.333
25	17.778	18.444	17.875