Deep foundation pit supporting structure and construction method thereof: Fid-Bau Portal

Deep foundation pit supporting structure and construction method thereof

QU FANG / ZHANG ZELIANG / YANG HANNIAN

The invention discloses a deep foundation pit supporting structure and a construction method thereof, which relates to the technical field of foundation pit excavation engineering. The deep foundationpit supporting structure includes a fixed plate, a fixed anchor rod, a plurality of hanging plates and locking anchor rods; the fixed plate is compressed and fixed on the ground outside the foundation pit through the fixed anchor rod; the plurality of hanging plates are parallel to each other and arranged horizontally; the plurality of hanging plates are arranged downwards successively along theinner wall of the foundation pit; the plurality of hanging plates are arranged against each other and fixed on the inner wall of the foundation pit through the locking anchor rods; and the hanging plate at the uppermost is connected to the fixed plate. The fixed plate and the hanging plates are arranged, therefore, the assembled installation of the foundation pit supporting structure is realized,the construction period of the foundation pit supporting structure is shortened, and the forming of the supporting structure is more convenient.

本发明公开了一种深基坑支护结构及其施工方法，涉及基坑开挖工程技术领域，其包括固定板、固定锚杆、若干挂板和锁紧锚杆，固定板通过固定锚杆压紧固定于基坑外侧的地面上，若干挂板相互平行且水平设置，若干挂板沿着基坑内侧壁依次向下排列，若干挂板相互抵触设置并通过锁紧锚杆固定于基坑内侧壁上，位于最上方的挂板连接于固定板上设置。设置固定板和挂板，实现了基坑支护结构的装配式安装，缩短了基坑支护结构的施工周期，使得支护结构的成型更加方便。

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