Experimental Investigation of Ground and Air Temperature Fields of a Cold-Region Road Tunnel in NW China

Figure 8

The ground temperature curves at different locations and testing sections vs. time. (a) Section K30 + 663. (b) Section K31 + 536. (c) Section K31 + 668. (d) Section K33 + 218. (e) Section K33 + 970. (f) Section K33 + 990.

(a)

(b)

(c)

(d)

(e)

(f)