JPS56125522A - Composite grouting work - Google Patents

Composite grouting work

Info

Publication number
JPS56125522A
JPS56125522A JP1155881A JP1155881A JPS56125522A JP S56125522 A JPS56125522 A JP S56125522A JP 1155881 A JP1155881 A JP 1155881A JP 1155881 A JP1155881 A JP 1155881A JP S56125522 A JPS56125522 A JP S56125522A
Authority
JP
Japan
Prior art keywords
grout
permeability
bad
double pipe
injected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1155881A
Other languages
Japanese (ja)
Inventor
Kenji Kayahara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyokado Engineering Co Ltd
Original Assignee
Kyokado Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kyokado Engineering Co Ltd filed Critical Kyokado Engineering Co Ltd
Priority to JP1155881A priority Critical patent/JPS56125522A/en
Publication of JPS56125522A publication Critical patent/JPS56125522A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To uniformly and strongly solidify soft ground by injecting a grout of bad permeability and a grout of better permeability in an overlapping manner into the soft ground while changing injection stage by moving a double pipe.
CONSTITUTION: A grout of bad permmeability is first injected into the soft ground while changing injection stage by moving a double pipe whose injection ports are positioned at different places in the axial direction in order to form a solidified seal having a packing effect in and around space between the double pipe and the ground. Then, another grout of better permeability is injected into a given grouting area from the lower injection port in order to overlap it on the previously injected grout layer of bad permeability. Thus, the grout of better permeability can penetrate into a given depth and solidify without escaping to places other than the area to be grouted.
COPYRIGHT: (C)1981,JPO&Japio
JP1155881A 1981-01-30 1981-01-30 Composite grouting work Pending JPS56125522A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1155881A JPS56125522A (en) 1981-01-30 1981-01-30 Composite grouting work

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1155881A JPS56125522A (en) 1981-01-30 1981-01-30 Composite grouting work

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP53164143A Division JPS5939007B2 (en) 1978-12-30 1978-12-30 Composite grouting method

Publications (1)

Publication Number Publication Date
JPS56125522A true JPS56125522A (en) 1981-10-01

Family

ID=11781262

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1155881A Pending JPS56125522A (en) 1981-01-30 1981-01-30 Composite grouting work

Country Status (1)

Country Link
JP (1) JPS56125522A (en)

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