Dynamic Behaviours of a Single Soft Rock-Socketed Shaft Subjected to Axial Cyclic Loading

Table 1

Triaxial compression tests and results.

Sample number	Confining pressure (MPa)	Peak stress (MPa)	Failure strain (%)	Maximum volume shrinkage (%)	Shear contraction strain (%)	Initial tangent modulus (MPa)	Cohesion (MPa)	Internal friction angle (°)
1	0.01	1.51	1.132	0.331	0.807	162.16	0.344	43.4
2	0.10	2.12	1.547	0.416	0.881	174.05
3	0.30	3.13	1.921	0.527	1.153	230.96
4	0.50	3.61	2.195	0.717	1.424	243.36