Waterproof curtain inter-pile leaking stoppage process and construction structure: Fid-Bau Portal

Waterproof curtain inter-pile leaking stoppage process and construction structure

ZHANG BINGFENG / CAI HAIBO / ZHU LAILEI

The invention relates to a waterproof curtain inter-pile leaking stoppage process and a construction structure, relates to the technical field of building foundation pit maintenance, and aims to solve the problem that high cost pressure can be caused when leaking stoppage is performed on loopholes by adopting a double-liquid slurry or chemical slurry direct grouting method. Before leaking stoppage, a pouring opening is excavated in the soil between the two piles at the position of a leaking point; holes are formed in the inner side wall of the pouring opening, and protection ribs are implanted; a steel mesh is woven and placed in the pouring opening; a protection plate is arranged between the steel mesh and the protection ribs; plugging liquid is poured into the pouring opening, and standing is conducted till the plugging liquid is solidified; and the protection ribs and the protection plates are removed, and dry-mixed concrete is sprayed on the surface of the solidified plugging liquid. The method has the effect of reducing the cost for leaking stoppage of the leak.

本申请涉及一种止水帷幕桩间堵漏工艺及施工结构，涉及建筑基坑维护技术领域，为了解决采用双液浆或化学浆直接注浆的方法对漏洞进行堵漏，会造成较大的成本压力的问题；堵漏前，在漏点位置的两个桩间土开挖灌注口；在灌注口内侧壁开孔并植入保护筋；编织钢网，并放置在灌注口内；在钢网和保护筋之间设置保护板；向灌注口内浇筑封堵液，并静置至封堵液凝固；拆除保护筋和保护板，在凝固后的封堵液表面喷射干拌混凝土。本申请具有减少对漏洞堵漏时的成本的效果。

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