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9.5.1 概况地下墙的刚度大时,可减少由前面掘削的水平变位,所以支撑工程对变位的减少有很大效果。有些档土工程发生灾害时,多数情况是软弱的支撑工程和不良施工等原因造成的。实际问题,是由于不适当监督和不充分管理的结果,应指出这就必然产生墙的致命变位。作为其他原因是由于土质调查、设计、施工计划之间的责任制上,在分工上的暖昧不清有关。
9.5.1 General When the rigidity of the underground wall is large, horizontal displacement from the front can be reduced, so the support project has a great effect on reducing the displacement. In some cases of earth-rock engineering disaster, the majority of cases are caused by weak supporting works and poor construction. The actual problem is the result of inadequate supervision and inadequate management, and it should be pointed out that this inevitably leads to the deadly displacement of the wall. As another reason is due to the soil survey, design, construction plan between the responsibility system, the division of labor on the ambiguous.