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

Table 3

Additional temperature strain rate of the strain gauge in each direction at each measuring point.

No.	Temperature strain rate of the strain gauge in each channel (με/°C)
	A90	A0	A45	A135	B90	B0	B45	B135	C90	C0	C45	C135
1	37	46	21	32	19	34	12	38	55	31	17	33
2	34	27	9	16	34	23	7	20	34	9	6	11
3	26	20	6	14	27	25	6	22	29	9	4	16
4	31	17	8	26	43	34	4	27	24	33	7	26
5	16	23	19	14	16	17	25	30	19	11	17	24