Foundation pit retaining wall structure

The utility model discloses a foundation pit retaining wall structure which comprises cast-in-place piles arranged along the side wall of a foundation pit at intervals, the bottom ends of the cast-in-place piles are inserted into the bottom wall of the foundation pit, the top ends of the cast-in-place piles extend upwards to form retaining wall columns, and caulking piles are arranged between the adjacent retaining wall columns. The filling piles are used for blocking gaps between adjacent retaining wall columns, pouring spaces are formed on the sides, close to the wall, of the filling piles, and wall-attaching concrete is poured in the pouring spaces. The foundation pit retaining wall is high in structural integrity, high in strength, good in retaining effect and high in construction efficiency. 本实用新型公开了一种基坑挡土墙结构，包括沿基坑的侧墙间隔布置的灌注桩，所述灌注桩的底端插入基坑的底壁内、顶端向上伸出形成挡墙柱，相邻所述挡墙柱之间设有堵缝桩，用于封堵相邻挡墙柱的间隙、并使灌注桩靠墙的一侧形成浇筑空间，所述浇筑空间内浇筑有贴墙混凝土。本基坑挡土墙结构整体性强、强度高、挡土效果好以及施工效率高。