Study on In Situ Stress Distribution Law of the Deep Mine: Taking Linyi Mining Area as an Example

Table 1

Relative situation of each measurement point of in situ stress.

Buried	Depth (m)	Lithologic	Compressive strength (MPa)	Elastic modulus (GPa)	Poisson ratio
GCMC-1	1192	Sandy mudstone	29.4	2.07	0.24
GCMC-2	1195	Fine sandstone	49.8	2.16	0.42
GTMC-1	806.47	Pebblestone	105.0	28.9	0.16
GTMC-2	855.67	Pebblestone	85.7	19.4	0.32
GTMC-3	832.77	Pebblestone	67.7	18.2	0.19
GTMC-4	842.27	Pebblestone	68.3	16.7	0.14
WLMC-1	933.7	Sand and mudstone interbedded	32.0	15.4	0.29
WLMC-2	933.6	Pebblestone	74.7	31.3	0.26
PZMC-1	735.95	Pebblestone	64.2	2.79	0.21
PZMC-2	773.7	Cobblestone	83.6	3.99	0.26
PZMC-3	721.5	Fine sandstone	70.3	2.89	0.28
PZMC-4	537.0	Fine sandstone	68.3	2.49	0.19