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 5 界面接触热阻计算结果与理论结果的相对误差

Tab.5 Relative error between calculated and theoretical interfacial thermal contact resistance

分组 R/(10−3 m2·K·W−1) δ/% 理论结果 计算结果 C25-玄武岩 3.789 4.076 7.587 C25-页岩 4.332 4.458 2.906 C25-花岗岩 5.120 4.883 −4.636 C25-砂岩 6.866 6.539 −4.766 C25-泥岩 9.134 8.534 −6.563 C30-玄武岩 3.618 3.864 6.783 C30-页岩 4.375 4.331 −1.005 C30-花岗岩 4.884 4.628 −5.242 C30-砂岩 6.686 6.072 −9.194 C30-泥岩 8.441 7.982 −5.435 C35-玄武岩 3.661 3.567 −2.578 C35-页岩 3.908 4.203 7.572 C35-花岗岩 4.604 4.331 −5.931 C35-砂岩 6.148 5.562 −9.528 C35-泥岩 7.792 7.515 −3.549 C40-玄武岩 3.588 3.439 −4.143 C40-页岩 3.440 3.736 8.604 C40-花岗岩 3.958 4.076 2.971 C40-砂岩 5.699 5.477 −3.894 C40-泥岩 7.532 7.048 −6.424