Investigation of the Insulation Effect of Thermal Insulation Layer in the Seasonally Frozen Region Tunnel: A Case Study in the Zuomutai Tunnel, China

<div>Changes of temperature inside lining at the tunnel vault, waist, and side wall in the sections K631 + 090, K631 + 380, and K631 + 441 from January 2017 to April 2018. (a) At vault. (b) At waist. (c) At side wall.</div>

Advances in Civil Engineering

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Figure 13

Figure 13: Investigation of the Insulation Effect of Thermal Insulation Layer in the Seasonally Frozen Region Tunnel: A Case Study in the Zuomutai Tunnel, China 

Figure 13 | Investigation of the Insulation Effect of Thermal Insulation Layer in the Seasonally Frozen Region Tunnel: A Case Study in the Zuomutai Tunnel, China 