含空洞-减薄病害的超大跨隧道服役安全研究

麻建飞,贾港帅,江波,陈征,凌小康,贺少辉

Study on service safety of super-large-span tunnels considering combined defects of lining voids and thinning

Jianfei MA,Gangshuai JIA,Bo JIANG,Zheng CHEN,Xiaokang LING,Shaohui HE

表 2 衬砌、围岩的力学参数

Tab.2 Mechanical parameters of lining and surrounding rock

材料 E/GPa γ/（kN·m−3） ν c/kPa $\varphi _{\mathrm{i}} $/（°） 衬砌 32.500 25.0 0.2 — — 凝灰岩 0.729 22.0 0.3 1372 16.9