考虑围岩岩性影响的高岩温隧道围岩-衬砌界面接触热阻计算方法

崔光耀,何子阳,王道远,石文昊

Thermal contact resistance calculation at rock-lining interface in high-temperature tunnels with consideration of surrounding rock lithology

Guangyao CUI,Ziyang HE,Daoyuan WANG,Wenhao SHI

表 4 岩石与混凝土试件的物理参数

Tab.4 Physical parameters of rock and concrete specimens

试件 H/MPa σ/μm ρ/(g·cm−3) φ/% 玄武岩(Ⅰ级) 150 90 2.858 4 页岩(Ⅰ级) 100 95 2.604 6 花岗岩(Ⅱ级) 60 100 2.556 4 砂岩(Ⅲ级) 45 105 2.388 10 泥岩(Ⅳ级) 15 115 1.876 15 C25试块 20 93 2.268 18 C30试块 30 88 2.366 16 C35试块 35 85 2.265 13 C40试块 40 80 2.220 11