Research Article

Field Temperature Data Analysis of the Water Resistance Performance of Freeze-Sealing Pipe Roof Used in Tunnel through Water-Rich Strata

Figure 9

Temperatures of measuring points, the brine, and calculated thickness of frozen soil vs. time: (a) area between 3# and 4# pipe at 02 measuring face and (b) area between 21# and 22# pipe at 07 measuring face.
(a)
(b)