Construction method of damming body anti-seepage wall
A construction method and anti-seepage wall technology, which are applied in excavation, infrastructure engineering, construction, etc., can solve the problems of high demolition cost, difficult construction of anti-seepage walls, and no construction precedent, etc., and achieve good construction quality and reduce collapse. Risk, Guaranteed Schedule and Quality Effects
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[0072] The anti-seepage system of the damming body improvement project is the core of the reservoir of the dammed lake improvement project. The anti-seepage system is composed of the damming body anti-seepage wall, the curtain grouting of the ancient landslide body on the left bank and the bedrock curtain grouting on the right bank. For the geological conditions where the depth of the anti-seepage wall exceeds 100m and the maximum depth even exceeds 130m, the thickness of the wall exceeds 1.0m, the content of boulders exceeds 50%, the maximum particle size of the boulders exceeds 15 meters, the phenomenon of overhead is serious, and the stratum has not been deposited and cemented For the extremely complicated dam body, in order to ensure the successful construction of the cut-off wall, the present invention firstly performs pre-explosion and pre-filling pretreatment on the above-mentioned strata before the construction of the cut-off wall, so as to improve the geological conditi...
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