Research Article

Study on In Situ Stress Measurement and Surrounding Rock Control Technology in Deep Mine

Table 1

Drilling design parameters of each measuring point.

Survey point numberDrilling positionUnderground depth (m)Actual drilling parameters
Large diameter drilling depth (m)Small diameter drilling depth (m)Azimuth (°)Dip (°)

Point no. 1Chamber for water exploration in the parking lot at the bottom of the first mining area1085100.46010.5
Point no. 2In the roadway leading to the auxiliary shaft near the pit bottom parking lot1089120.46010
Point no. 3In the tunnel leading to the sump1089120.46010.5