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在水下围岩中建造隧洞时,水力场将随着隧洞开挖、衬砌等结构形成过程而变化。衬砌与围岩间的接触条件以及衬砌是否开裂都对隧洞应力场产生影响。本文模拟隧洞建造过程及衬砌的实际工作状况推导了在水力场作用下圆形隧洞的结构计算公式。
When constructing a tunnel in underwater surrounding rock, the hydraulic field will change with the formation of tunnel excavation and lining. The contact conditions between the lining and the surrounding rock and whether the lining is cracked will affect the stress field of the tunnel. This paper simulates the tunnel construction process and the lining of the actual working conditions derived under the action of the hydraulic field circular tunnel structure formula.