Research Article
Experimental Investigation of Ground and Air Temperature Fields of a Cold-Region Road Tunnel in NW China
Figure 9
The ground temperature distribution at different depths along the tunnel. (a) Ground temperature at the depth of 1.5 m. (b) Ground temperature at the depth of 2.5 m. (c) Ground temperature at the depth of 2 m. (d) Ground temperature at the depth of 3m.
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