Coupling Interaction of Surrounding Soil-Buried Pipeline and Additional Stress in Subsidence Soil

Figure 14

Distribution of axial stress at top and bottom of pipe.

(a) Stress distribution at the top and bottom of the pipe during subsidence stage 1

(b) Stress distribution at the top and bottom of the pipe during subsidence stage 2

(c) Stress distribution at the top and bottom of the pipe during subsidence stage 3

(d) Stress distribution at the top and bottom of the pipe during subsidence stage 4