Prefabricated slope protection structure of soft soil foundation pit for constructional engineering: Fid-Bau Portal

Prefabricated slope protection structure of soft soil foundation pit for constructional engineering

JI SHUANG / LI JIAN / JU SHANGWEI / WANG HUIPING / YUAN YUEYU

The invention provides a soft soil foundation pit prefabricated slope protection structure for constructional engineering, which can firmly lock the position of a soft soil layer slope protection structure, has a dismounting function and can be recycled. The device comprises an arch-shaped plate, two frames, a connecting plate, an interlocking slope protection brick group and a detachable positioning anchor, the bottoms of the two sides of the arched plate are fixedly connected with the upper ends of the corresponding frames, the lower ends of the two frames are connected through the connecting plate to form an integral frame, and the interlocking slope protection brick set is arranged in the center area of the frame. The corresponding detachable positioning anchors are respectively inserted into the arched plate, the frame and the frame of the connecting plate; the detachable positioning anchor comprises tip barbs driven to be opened and closed through threads, the tip barbs expand outwards in the using state to lock and attach the whole structure to the soft soil layer, and when the detachable positioning anchor needs to be detached, the tip barbs are closed inwards to separate the whole structure from the soft soil layer.

本发明提供了一种建筑工程用软土基坑预制式护坡结构，其可牢固锁定软土层坡护结构的位置，且具备拆装功能，可以循环利用。其包括：拱形板、两边框、连接板、联锁护坡砖组、以及可拆定位锚；所述拱形板的两侧底部固接有对应的边框的上端，两所述边框的下端通过所述连接板连接形成整体框架，所述框架的中心区域内设置有所述联锁护坡砖组；所述拱形板、边框、连接板的边框上分别插装有对应的所述可拆定位锚；所述可拆定位锚包括有通过螺纹驱动张合的尖端倒刺，所述尖端倒刺在使用状态下外张动作、将整个结构锁附在软土层，需要拆卸时，尖端倒刺内合、将整个结构脱离软土层。

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