JPS5699283A - Stabilizing and strengthening work for soil - Google Patents

Stabilizing and strengthening work for soil

Info

Publication number
JPS5699283A
JPS5699283A JP239180A JP239180A JPS5699283A JP S5699283 A JPS5699283 A JP S5699283A JP 239180 A JP239180 A JP 239180A JP 239180 A JP239180 A JP 239180A JP S5699283 A JPS5699283 A JP S5699283A
Authority
JP
Japan
Prior art keywords
soil
urethane polymer
powdery
filler
wet soil
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.)
Granted
Application number
JP239180A
Other languages
Japanese (ja)
Other versions
JPS5829346B2 (en
Inventor
Takaaki Iwasaki
Jiyunji Nanba
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.)
JAPANESE NATIONAL RAILWAYS<JNR>
NIPPON SOFURAN KAKO KK
NIPPON SOFURAN KAKOU KK
Japan National Railways
Original Assignee
JAPANESE NATIONAL RAILWAYS<JNR>
NIPPON SOFURAN KAKO KK
NIPPON SOFURAN KAKOU KK
Japan National Railways
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 JAPANESE NATIONAL RAILWAYS<JNR>, NIPPON SOFURAN KAKO KK, NIPPON SOFURAN KAKOU KK, Japan National Railways filed Critical JAPANESE NATIONAL RAILWAYS<JNR>
Priority to JP55002391A priority Critical patent/JPS5829346B2/en
Publication of JPS5699283A publication Critical patent/JPS5699283A/en
Publication of JPS5829346B2 publication Critical patent/JPS5829346B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Polyurethanes Or Polyureas (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)

Abstract

PURPOSE: To stabilize and strengthen soil to provided the stabilized soil with a high strength, an adequate elasticity, and a long-lived durability by mixing a specific powdery urethane polymer in a wet soil and solidifying it.
CONSTITUTION: A powdery urethane polymer having two or more NCO groups on its terminal and a quaternary ammonium salt in its molecular chain is mixed in a wet soil and the wet soil is solidified. The powdery urethane polymer used can be advantageously used provided that it is covered with a filler prior to use because it can be easily covered with a filler simply by being mixed with the filler by the reason that the amount of the powdery urethane polymer to be used can be lessened. Although moisture-rich soil can be sufficiently solidified by the use of a rather larger amount of the said urethane polymer, the combined use of the urethane polymer with a solidifying assistant and an inorganic hydraulic compound is more effective for solidification of wet soil.
COPYRIGHT: (C)1981,JPO&Japio
JP55002391A 1980-01-11 1980-01-11 Soil stabilization reinforcement method Expired JPS5829346B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55002391A JPS5829346B2 (en) 1980-01-11 1980-01-11 Soil stabilization reinforcement method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55002391A JPS5829346B2 (en) 1980-01-11 1980-01-11 Soil stabilization reinforcement method

Publications (2)

Publication Number Publication Date
JPS5699283A true JPS5699283A (en) 1981-08-10
JPS5829346B2 JPS5829346B2 (en) 1983-06-22

Family

ID=11527928

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55002391A Expired JPS5829346B2 (en) 1980-01-11 1980-01-11 Soil stabilization reinforcement method

Country Status (1)

Country Link
JP (1) JPS5829346B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH046625Y2 (en) * 1986-05-12 1992-02-24

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5329349A (en) * 1976-08-31 1978-03-18 Kaisei Kogyo Kk High density elastic resin compositions
JPS5329184A (en) * 1976-08-31 1978-03-18 Toshiba Corp Eddy current flaw detector
JPS545211A (en) * 1977-06-13 1979-01-16 Sumitomo Electric Ind Ltd Tank with diaphragm

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5329349A (en) * 1976-08-31 1978-03-18 Kaisei Kogyo Kk High density elastic resin compositions
JPS5329184A (en) * 1976-08-31 1978-03-18 Toshiba Corp Eddy current flaw detector
JPS545211A (en) * 1977-06-13 1979-01-16 Sumitomo Electric Ind Ltd Tank with diaphragm

Also Published As

Publication number Publication date
JPS5829346B2 (en) 1983-06-22

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