Single-point bag type grouting device capable of controlling soil deforming and method thereof

The invention discloses a single-point bag type grouting method used for controlling soil deforming. The method comprises the steps of firstly, measuring and setting out; secondly, drilling; thirdly,grouting casing pipe mounting, wherein a grouting bag is tightly and firmly connected to a lower port...

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Bibliographic Details
Main Authors LI GUANGSHUAI, DIAO YU, ZHENG GANG
Format Patent
LanguageChinese
English
Published 10.07.2018
Subjects
EARTH DRILLING
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
GALLERIES
HYDRAULIC ENGINEERING
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
SOIL SHIFTING
TUNNELS
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:The invention discloses a single-point bag type grouting method used for controlling soil deforming. The method comprises the steps of firstly, measuring and setting out; secondly, drilling; thirdly,grouting casing pipe mounting, wherein a grouting bag is tightly and firmly connected to a lower port of an outer casing pipe, two thin rubber pieces serving as bag protecting sleeves are firmly connected to the lower port of the outer casing pipe and located on the outer side of the grouting bag, the outer casing pipe is inserted into the drilled hole until the outer casing pipe reaches the designed hole depth, and the top of the outer casing pipe is covered by a cover; fourthly, grouting, wherein a grouting gun is adopted to inject slurry into the outer casing pipe in a quantitative manner through the grouting pipe until the designed depth is achieved, the grouting bag filled with the slurry bursts through the bag protecting sleeve and then enters corresponding soil. The grouting body size, position and shape of
Bibliography:Application Number: CN201810072666