JPS56125522A - Composite grouting work - Google Patents
Composite grouting workInfo
- 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
Links
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
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
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) |
-
1981
- 1981-01-30 JP JP1155881A patent/JPS56125522A/en active Pending
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