Anchor rod construction process for sandy gravel stratum under water level of foundation pit engineering

Anchor rod construction process for sandy gravel stratum under water level of foundation pit engineering

The invention provides an anchor rod construction process for a sandy gravel stratum under the water level of a foundation pit project. The anchor rod construction process comprises the steps that S10, a plugging device is installed at a hole opening; s20, drilling the casing pipe in advance; s30, c...

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Hauptverfasser: ZHANG HAIFENG, ZHANG DEPING, GUO YUELONG, WANG YINXIAN, GAO JIANWEN, CHEN SANZHONG, ZHANG ZHIKAI, ZHOU YUCHENG, WAN JIAHE, GUO CUNFENG
Format: Patent
Sprache:chi ; eng
Schlagworte:
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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creator ZHANG HAIFENG
ZHANG DEPING
GUO YUELONG
WANG YINXIAN
GAO JIANWEN
CHEN SANZHONG
ZHANG ZHIKAI
ZHOU YUCHENG
WAN JIAHE
GUO CUNFENG
description The invention provides an anchor rod construction process for a sandy gravel stratum under the water level of a foundation pit project. The anchor rod construction process comprises the steps that S10, a plugging device is installed at a hole opening; s20, drilling the casing pipe in advance; s30, cement paste is injected through a drill rod until the cement paste flows out of a hole opening; s40, the drill rod is pulled out section by section; step S50, assembling a steel strand assembly; step S60, inserting a steel strand assembly into the sleeve; s70, the casing pipe is pulled out section by section, and plugging and grouting are conducted; s80, the hole opening is blocked through cement gum; s90, after the cement paste is finally set, pressure grouting is conducted through a pressure grouting pipe; s100, after a preset number of days, the steel strand assembly is tensioned; and S110, filling and grouting are conducted through the filling and grouting pipe. By the adoption of the technical scheme, the prob
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subjects EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
title Anchor rod construction process for sandy gravel stratum under water level of foundation pit engineering
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