结合青岛某基坑支护的工程实例，分析了深基坑支护工程在临近建筑物及周边环境复杂情况下垂直开挖的技术难点，提出了钢管桩加预应力锚索处理的优点以及在垂直开挖深基坑工程施工中的注意事项．%This paper, with an engineering case of foundation pit support in Qingdao, analyzes the technical difficulties of vertical excavation in deep foundation pit confined by adjacent buildings and complicated surroundings, and states the advantages of applying steel-pipe pile with prestressing anchor cable. Moreover, the announcements are also discussed on constructing such support structures in vertical excavation of deep foundation pit.
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