JPS5641918A - Cement milk injection device for weak ground improvement - Google Patents
Cement milk injection device for weak ground improvementInfo
- Publication number
- JPS5641918A JPS5641918A JP11732679A JP11732679A JPS5641918A JP S5641918 A JPS5641918 A JP S5641918A JP 11732679 A JP11732679 A JP 11732679A JP 11732679 A JP11732679 A JP 11732679A JP S5641918 A JPS5641918 A JP S5641918A
- Authority
- JP
- Japan
- Prior art keywords
- cement milk
- way valve
- pipe
- return pipe
- injection device
- 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 prevent separation, settlement and sticking inside a pipe and grout pump at the time of noninjection of the cement milk by providing a three-way valve between the grout pump and a four-way valve further with the installation of a return pipe.
CONSTITUTION: The return pipe 11 is opened by the three-way valve 5 and discharge pipes 4a, 4b are connected halfway by means of the four-way valve 7. Therefore, the cement milk coming out of the gout pump 3b is returned to a cement milk storage tank 1 through the intermediary of discharge pipe 4b, four-way valve 7, discharge pipe 4a, three-way valve 5 and the return pipe 11 in that order. In the meantime, the cement milk originating from a grout pump 3a is returned to the cement milk storage tank 1 by way of a discharge pipe 4, three-way valve 5 and the return pipe 11. Further, a cement milk inside processor 9 drops by its own weight outside of the processor 9 from the tips 10a, 10b.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11732679A JPS5641918A (en) | 1979-09-14 | 1979-09-14 | Cement milk injection device for weak ground improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11732679A JPS5641918A (en) | 1979-09-14 | 1979-09-14 | Cement milk injection device for weak ground improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5641918A true JPS5641918A (en) | 1981-04-18 |
Family
ID=14708965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11732679A Pending JPS5641918A (en) | 1979-09-14 | 1979-09-14 | Cement milk injection device for weak ground improvement |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5641918A (en) |
-
1979
- 1979-09-14 JP JP11732679A patent/JPS5641918A/en active Pending
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