Table 2 Geodetic coordinates of measuring points and their burial depths.

From: Unloading damage evolution and rockburst risk assessment of Xuefengshan No.1 tunnel by combining multiple approaches

Testing points

Geodetic coordinates

Azimuth angle (°)

Inclination angle (°)

Buried depth (m)

Gx

Gy

Gz

No.1

5351232.8

451494.6

302.4

262°

600

No.2

5351275.2

451368.2

202.3

271°

700

No.3

5351302.6

451370.9

101.8

251°

800