Construction method for preventing segregation of concrete poured into pile hole in rock layer containing high confined water

The invention relates to the technical field of concrete segregation, and discloses a construction method for preventing segregation of concrete poured into a pile hole in a rock layer containing high confined water, which comprises the following steps: 1) performing drilling construction to form th...

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Hauptverfasser:	WENG JIANZHANG, LIU XUEBAO, LU SHENGGUO, YUE RENHUI, LI YAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING LIME, MAGNESIA METALLURGY REFRACTORIES SLAG SOIL SHIFTING TREATMENT OF NATURAL STONE UNDERGROUND OR UNDERWATER STRUCTURES
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creator	WENG JIANZHANG LIU XUEBAO LU SHENGGUO YUE RENHUI LI YAN
description	The invention relates to the technical field of concrete segregation, and discloses a construction method for preventing segregation of concrete poured into a pile hole in a rock layer containing high confined water, which comprises the following steps: 1) performing drilling construction to form the pile hole; (2) a reinforcement cage is put into the pile hole, and the periphery of the reinforcement cage is surrounded by a cotton fiber layer; a plurality of first-order grouting pipes and a plurality of second-order grouting pipes are arranged in the reinforcement cage; an annular pipe is arranged, the annular pipe is located between the middle cage and the cotton fiber layer, the annular pipe is communicated with the bottom of the first-order grouting pipe and the bottom of the second-order grouting pipe, and a plurality of grouting openings are formed in the annular pipe; (3) underwater non-dispersible concrete is poured into the pile hole, and a pile body is formed; (4) cement and water glass mixed liquid
format	Patent
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language	chi ; eng
recordid	cdi_epo_espacenet_CN118292428A
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subjects	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING LIME, MAGNESIA METALLURGY REFRACTORIES SLAG SOIL SHIFTING TREATMENT OF NATURAL STONE UNDERGROUND OR UNDERWATER STRUCTURES
title	Construction method for preventing segregation of concrete poured into pile hole in rock layer containing high confined water
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