高层建筑和高耸构筑物的增多,基坑深度越来越深,同时也造成基坑塌方事故频发,所以基坑支护变的越来越重要。基坑属于临时性工程,其作用是提供一个空间,分为无基坑支护和有基坑支护两类。具体基坑采用哪种支护形式,则需要根据周边环境、地质情况以及支护技术成熟度经济性等综合考虑。基坑塌方具有突发性,往往使正在施工的人员与设备来不及撤离而被掩埋、压 The increase of high-rise buildings and towering structures, deepening pit depth, but also cause frequent accidents of foundation pit landslide, so pit support becomes more and more important. Foundation pit is a temporary project, its role is to provide a space, divided into non-pit support and pit support two types. Specific support for the use of the pit form, you need according to the surrounding environment, geological conditions and support technology, such as the comprehensiveness of the economy and other considerations. Pit collapse with a sudden, often make the construction of the staff and equipment evacuated and buried in time, pressure