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

<div>Layout of monitoring sections and sensors in the test tunnel. (a) Monitoring sections and their buried depths (from the tunnel vault lining surface to ground surface). (b) Sensors in the monitoring sections.</div>

Advances in Civil Engineering

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Figure 6

Figure 6: Investigation of the Insulation Effect of Thermal Insulation Layer in the Seasonally Frozen Region Tunnel: A Case Study in the Zuomutai Tunnel, China 

Figure 6 | Investigation of the Insulation Effect of Thermal Insulation Layer in the Seasonally Frozen Region Tunnel: A Case Study in the Zuomutai Tunnel, China 