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通过在花岗岩残积土地层矿山法隧道采用前进式注浆施工技术,较好地控制了洞内失水,有效控制隧道上方地面建筑物的沉降和开裂,同时保证隧道开挖安全和施工进度。
Through the use of progressive grouting construction technology in the mined tunnel of granite residual soil, the water loss in the cave is well controlled and the settlement and cracking of the ground above the tunnel are effectively controlled, and the safety of excavation and the construction progress of the tunnel are ensured.