高寒隧道保温结构的优化设计研究
李根, 李双洋, 董长松, 杨佳乐, 姜琪

Research on optimum design of insulation structure of alpine tunnel: taking Guigala Tunnel in Tibet as an example
Gen LI, Shuangyang LI, Changsong DONG, Jiale YANG, Qi JIANG
表1 固体区域中各介质的热物理参数
Table 1 Thermal and mechanical parameters of various media in solid regions
材料λu/(W∙m-1∙℃-1cu/(J∙kg-1∙℃-1λf/(W∙m-1∙℃-1cf /(J∙kg-1∙℃-1ρ/(kg∙m-3
碎石土1.6001 266.11.980977.21 800
弱风化岩1.4701 350.61.8201 025.52 150
衬砌混凝土1.560927.01.560927.02 300
聚氨酯保温板0.0301 852.00.0301 852.056
气凝胶毡0.018502.30.018502.3180