Finite Element Optimised Back Analysis of In Situ Stress Field and Stability Analysis of Shaft Wall in the Underground Gas Storage

Figure 10

The maximum shearing stress distribution around the shaft wall in UGS1.

(a) 0.0 m around the shaft wall

(b) 0.60 m around the shaft wall

(c) 1.05 m around the shaft wall

(d) 1.65 m around the shaft wall

(e) 2.55 m around the shaft wall