Research on In Situ Stress Distribution of the Railway Tunnels in Southwest China Based on the Complete Temperature Compensation Technology

Table 5

The values of elastic modulus (E), Poisson’s ratio (υ), and k coefficient of each measuring point.

Measuring point no.	E (GPa)	u	k1	k2	k3	k4
1	21	0.25	1.034	1.043	1.025	0.936
2	23	0.22	1.131	1.129	1.064	0.905
3	22	0.20	1.122	1.109	1.055	0.886
4	22	0.21	1.128	1.061	1.030	0.978
5	24	0.25	1.135	1.124	1.085	0.915