Numerical Analysis of the Effect of Heterogeneity on Underground Roadway Stability under Dynamic Loads

Table 1

Positions of measuring points for displacement.

Number	Location (m)
1	105 m to roadway opening
2	115 m to roadway opening
3	125 m to roadway opening
4	135 m to roadway opening
5	145 m to roadway opening
6	155 m to roadway opening
7	165 m to roadway opening
8	175 m to roadway opening
9	185 m to roadway opening
10	195 m to roadway opening
11	205 m to roadway opening
12	215 m to roadway opening
13	225 m to roadway opening
14	235 m to roadway opening
15	245 m to roadway opening
16	255 m to roadway opening