基坑工程日益受到重视，除了保证基坑开挖时自身的安全，也不能对基坑周围的建筑物和设施造成大的影响。各种支护方式都有其使用的范围、各有自身的支护特点和效果，在邻近基础开挖时，要保证原基础不产生大的变形，故要采取合理的支护措施。如厂房内挖设基坑的时候，对厂房的基础实行托换，对边坡喷混凝土。%Excavation gets more and more attention,in addition to guarantee its own security,we can not make big impact on the buildings and facilities around the pit.A variety of supporting ways have their own characteristics and supporting effects.When the excavation happens beside foundation,to ensure the original foundation that will not pro-duce a large deformation,it is necessary to take reasonable supporting measures.When digging the pit inside factory building,we should uderpinning the underlying implementation,and arrange shotcrete to slope.
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