Research Article

Finite Element Analysis of Natural Thawing Heat Transfer of Artificial Frozen Soil in Shield-Driven Tunnelling

Figure 5

Temperature field contour plots at section of X = 3 m with different natural thawing times: (a) 0 days; (b) 10 days; (c) 20 days; (d) 30 days; (e) 40 days; (f) 50 days; (g) 60 days; (h) 70 days; (i) 80 days; (j) 90 days; (k) 100 days; (l) 110 days; (m) 120 days.
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