Meanwhile, surge shaft is an underground structure because its body is buried by surrounding rock, and the excavation of cavern with big inner diameter will influence stability of surrounding rock.
同时调压井埋于地下，属地下结构，大内径洞室的开挖关系到围岩的稳定。
Meanwhile, surge shaft is an underground structure because its body is buried by surrounding rock, and the excavation of cavern with big inner diameter will influence stability of surrounding rock.
同时调压井埋于地下，属地下结构，大内径洞室的开挖关系到围岩的稳定。
应用推荐