Fig. 12

Displacement contour maps of the slope in the X direction at the K43 + 925 and K43 + 915 sections during tunnel excavation. (a) K43 + 925, (b) K43 + 915.
Displacement contour maps of the slope in the X direction at the K43 + 925 and K43 + 915 sections during tunnel excavation. (a) K43 + 925, (b) K43 + 915.