JPS56100919A - Preventing method for liquefaction of sandy ground - Google Patents

Preventing method for liquefaction of sandy ground

Info

Publication number
JPS56100919A
JPS56100919A JP415080A JP415080A JPS56100919A JP S56100919 A JPS56100919 A JP S56100919A JP 415080 A JP415080 A JP 415080A JP 415080 A JP415080 A JP 415080A JP S56100919 A JPS56100919 A JP S56100919A
Authority
JP
Japan
Prior art keywords
piles
casing
liquefaction
sandy ground
ground
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
JP415080A
Other languages
Japanese (ja)
Inventor
Akira Saito
Hiroshi 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.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan 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 NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP415080A priority Critical patent/JPS56100919A/en
Publication of JPS56100919A publication Critical patent/JPS56100919A/en
Pending legal-status Critical Current

Links

Landscapes

  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

PURPOSE: To prevent effectively the liquefaction of the sandy ground apt to occur at the time of earthquake, by forming drain piles making use of such space forming materials as crushed stones by means of nonvibration and nonpressure works.
CONSTITUTION: In order to prevent the sandy ground from liquefaction, the drain piles 2 making use of such space forming materials as crushed stones 1 are arranged in the ground 3 with proper dispositions, and the excessive water pressures apt to occur at the time of earthquake are absorbed through the piles 2. These piles 2 are formed by means of nonvibration and nonpressure works, using for instance the Benoto-machine A. That is to say, the boring hole 4 is dug vertically while digging out the sands in the cylindrical casing a1 with hammer-grab a2 and lowering gradually the casing a1. When the casing hole 4 reaches the desired depth, it is filled with the materials 1. By puling up the casing a1, the pile 2 is formed.
COPYRIGHT: (C)1981,JPO&Japio
JP415080A 1980-01-18 1980-01-18 Preventing method for liquefaction of sandy ground Pending JPS56100919A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP415080A JPS56100919A (en) 1980-01-18 1980-01-18 Preventing method for liquefaction of sandy ground

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP415080A JPS56100919A (en) 1980-01-18 1980-01-18 Preventing method for liquefaction of sandy ground

Publications (1)

Publication Number Publication Date
JPS56100919A true JPS56100919A (en) 1981-08-13

Family

ID=11576730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP415080A Pending JPS56100919A (en) 1980-01-18 1980-01-18 Preventing method for liquefaction of sandy ground

Country Status (1)

Country Link
JP (1) JPS56100919A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0366836A (en) * 1989-08-04 1991-03-22 Kubota Corp Design process for piping at structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0366836A (en) * 1989-08-04 1991-03-22 Kubota Corp Design process for piping at structure

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