JPS56125521A - Composite grouting work - Google Patents
Composite grouting workInfo
- Publication number
- JPS56125521A JPS56125521A JP1155781A JP1155781A JPS56125521A JP S56125521 A JPS56125521 A JP S56125521A JP 1155781 A JP1155781 A JP 1155781A JP 1155781 A JP1155781 A JP 1155781A JP S56125521 A JPS56125521 A JP S56125521A
- Authority
- JP
- Japan
- Prior art keywords
- grout
- permeability
- multiple tube
- injected
- injection
- 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
Links
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
PURPOSE: To uniformly and strongly solidify a 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 multiple tube.
CONSTITUTION: A grout of bad permeability, whose gelling time is within 30sec, is first injected into the ground from one-side injection port of a multiple tube 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 multiple tube and the ground. Then, a grout of better permeability is injected in an overlapping manner into a given injection area from the other injection port of the multiple tube in order to overlap it on the previously formed solidified seal area injected with the grout of bad permeability. Thus, a solidifed packer is formed in the upper layer of soil by a quick setting grout from the upper injection port and therefore, the grout of a long gelling time can penetrate into a given depth and solidity without escaping to the upper portion.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1155781A JPS56125521A (en) | 1981-01-30 | 1981-01-30 | Composite grouting work |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1155781A JPS56125521A (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 |
---|---|
JPS56125521A true JPS56125521A (en) | 1981-10-01 |
Family
ID=11781235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1155781A Pending JPS56125521A (en) | 1981-01-30 | 1981-01-30 | Composite grouting work |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56125521A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0389736U (en) * | 1989-12-27 | 1991-09-12 | ||
JPH0424317A (en) * | 1990-05-17 | 1992-01-28 | Seiji Ichikawa | Soil improving method |
-
1981
- 1981-01-30 JP JP1155781A patent/JPS56125521A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0389736U (en) * | 1989-12-27 | 1991-09-12 | ||
JPH0424317A (en) * | 1990-05-17 | 1992-01-28 | Seiji Ichikawa | Soil improving method |
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