JPS5519340A - Instantaneous ground injection working method with repeatable excavation and injection - Google Patents

Instantaneous ground injection working method with repeatable excavation and injection

Info

Publication number
JPS5519340A
JPS5519340A JP9117778A JP9117778A JPS5519340A JP S5519340 A JPS5519340 A JP S5519340A JP 9117778 A JP9117778 A JP 9117778A JP 9117778 A JP9117778 A JP 9117778A JP S5519340 A JPS5519340 A JP S5519340A
Authority
JP
Japan
Prior art keywords
pipe
injection
internal
external
chemical
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
JP9117778A
Other languages
Japanese (ja)
Inventor
Shigeharu Arima
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.)
CHIBAN KAIHATSU KOGYO KK
TOA GURAUTO KK
Toa Grout Kogyo Co Ltd
Sanyo Chemical Industries Ltd
Original Assignee
CHIBAN KAIHATSU KOGYO KK
TOA GURAUTO KK
Toa Grout Kogyo Co Ltd
Sanyo Chemical Industries 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 CHIBAN KAIHATSU KOGYO KK, TOA GURAUTO KK, Toa Grout Kogyo Co Ltd, Sanyo Chemical Industries Ltd filed Critical CHIBAN KAIHATSU KOGYO KK
Priority to JP9117778A priority Critical patent/JPS5519340A/en
Publication of JPS5519340A publication Critical patent/JPS5519340A/en
Pending legal-status Critical Current

Links

Landscapes

  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

PURPOSE: Assured injection construction method is provided which is free from conventional flow due to undergraound water dilution.
CONSTITUTION: Double pipe rod, chemical feed pipe A is mounted with metal crown under and its external pipe diameter is contracted at the end, its internal pipe is cut at a slightly higher position. At the end of the rod A, chemical feed pipes are drilled directing at pipe wall and on the same axis of internal and external pipes. The external pipe hole B-1 diameter is made larger than the internal hole diameter B-2. Chemical injection device contains a two-stage piston body C which contactly slide at its upper portion along the internal pipe and at its lower portion along the narrowed external pipe E. Instantaneously fixing chemical is fed through the injection device.
COPYRIGHT: (C)1980,JPO&Japio
JP9117778A 1978-07-25 1978-07-25 Instantaneous ground injection working method with repeatable excavation and injection Pending JPS5519340A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9117778A JPS5519340A (en) 1978-07-25 1978-07-25 Instantaneous ground injection working method with repeatable excavation and injection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9117778A JPS5519340A (en) 1978-07-25 1978-07-25 Instantaneous ground injection working method with repeatable excavation and injection

Publications (1)

Publication Number Publication Date
JPS5519340A true JPS5519340A (en) 1980-02-12

Family

ID=14019171

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9117778A Pending JPS5519340A (en) 1978-07-25 1978-07-25 Instantaneous ground injection working method with repeatable excavation and injection

Country Status (1)

Country Link
JP (1) JPS5519340A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6051221A (en) * 1983-08-29 1985-03-22 T S Gijutsu Kk Stagewise soil improvement work involving excavation and chemical grouting
JPS6124721A (en) * 1984-07-13 1986-02-03 Hiroshi Sugimoto Method and device of improving ground having soft and hard layer mixed together

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4949057A (en) * 1972-06-13 1974-05-13
JPS5248217A (en) * 1975-10-14 1977-04-16 Nippon Soil Eng Method of and apparatus for improving subsoil with pressed impregnation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4949057A (en) * 1972-06-13 1974-05-13
JPS5248217A (en) * 1975-10-14 1977-04-16 Nippon Soil Eng Method of and apparatus for improving subsoil with pressed impregnation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6051221A (en) * 1983-08-29 1985-03-22 T S Gijutsu Kk Stagewise soil improvement work involving excavation and chemical grouting
JPS6124721A (en) * 1984-07-13 1986-02-03 Hiroshi Sugimoto Method and device of improving ground having soft and hard layer mixed together

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