Deformation Mechanism and Support Technology of Deep and High-Stress Soft Rock Roadway

Table 6

Scheme on isotropic experiment design.

Schemes	Depth below surface (m)	Lithology	Bolt strength (KN)	Shotcrete thickness (mm)
1	400	Mudstone	50	0
2	400	Sandy mudstone	100	50
3	400	Argillaceous sandstone	150	100
4	400	Sandstone	200	150
5	600	Mudstone	100	150
6	600	Sandy mudstone	150	0
7	600	Argillaceous sandstone	200	50
8	600	Sandstone	50	100
9	800	Mudstone	150	100
10	800	Sandy mudstone	200	150
11	800	Argillaceous sandstone	50	0
12	800	Sandstone	100	50
13	1000	Mudstone	200	50
14	1000	Sandy mudstone	50	100
15	1000	Argillaceous sandstone	100	150
16	1000	Sandstone	150	0