当盾构施工引起的地层沉降过大时,可能导致地表建筑物倾斜、地下管线断裂、地面、桥梁、道路等发生破坏,对周围环境产生不利影响。
The undue stratum settlement is likely to cause the bad effect to the around environment such as incline of building, rupture of underground pipelines, destroy of ground and Bridges and roads.
乌鞘岭隧道岭脊段志留系地层千枚岩夹板岩地段,施工中发生大变形,初期支护开裂破坏甚至侵限。
Severe deformation occurred at the siluric stratum at the ridge of Wushaoling Tunnel, causing splitting of primary lining and even exceeding clearance limit.
采用迭代方法和编制的VB - 5计算机程序进行了计算,并绘制了倾斜地层中井眼围岩发生剪切滑移破坏典型的关系曲线。
The iterative method and VB-5 computer program are applied to solve the equations, and the typical relationship curves about shear slip failure of the rock around borehole are drawn out.
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