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高层建筑物的深基坑开挖受到地形、施工场地的限制,因而锚杆大量的用于深基坑挡土桩、挡土墙的支护,解决了地下室机械化挖土的困难。而锚杆固定挡土桩(墙)应用,实现了深基坑工程施工效率高、工期短、造价低的优越性,由于以上的优点,因而适用于城区内高层建筑物深基坑的支护。本文作者就深基坑锚杆支护技术进行了探讨。
The excavation of deep foundation pit of high-rise buildings is limited by the topography and the construction site. Therefore, a large number of anchors are used for supporting retaining piles and retaining walls of deep excavations, which solves the difficulties of mechanized excavation in the basement. However, the application of anchored retaining columns (anchors) for retaining walls makes the construction of deep foundation pit with the advantages of high construction efficiency, short construction period and low cost. Due to the above advantages, it is suitable for supporting deep foundation pits of high-rise buildings in urban areas . The author of this paper discusses the deep foundation pit bolt support technology.