JPS56135620A - Improvement of ground - Google Patents

Improvement of ground

Info

Publication number
JPS56135620A
JPS56135620A JP3823280A JP3823280A JPS56135620A JP S56135620 A JPS56135620 A JP S56135620A JP 3823280 A JP3823280 A JP 3823280A JP 3823280 A JP3823280 A JP 3823280A JP S56135620 A JPS56135620 A JP S56135620A
Authority
JP
Japan
Prior art keywords
ground
steel pipe
vibration
directioned
twistedly
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
JP3823280A
Other languages
Japanese (ja)
Inventor
Kaoru Kimura
Kunioki Hirama
Kichiya Haniyuda
Hitoshi Kitamura
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.)
Ohbayashi Gumi Ltd
Obayashi Gumi Ltd
Original Assignee
Ohbayashi Gumi Ltd
Obayashi Gumi 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 Ohbayashi Gumi Ltd, Obayashi Gumi Ltd filed Critical Ohbayashi Gumi Ltd
Priority to JP3823280A priority Critical patent/JPS56135620A/en
Publication of JPS56135620A publication Critical patent/JPS56135620A/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 stabilize the ground economically and effectively by compacting the ground by means of twistedly directioned vibration force and vertically directioned vibration force.
CONSTITUTION: A steel pipe 7 is penetrated down to a given depth underground 8 by means of a vertically directioned vibration by operating a composite vibrator 2, and a twisted vibration (b) and the vertical vibration (a) are alternately or concurrently applied to the steel pipe 7 by the composite vibrator 2 for compaction of the ground. While repeating such penetration and withdrawal operations, the steel pipe 7 is drawn up to the ground's surface, where the twistedly and vertically directioned vibration forces which are given are altered properly according to the condition of the ground, depth required for improvement, etc. Also, even in case where sand is charged through a hopper 6 at the upper part of the steel pipe 7 into the target ground, the steel pipe 7 is pulled up while supplying sand in the similar manner. Thus, improved soil area 9 can be obtained.
COPYRIGHT: (C)1981,JPO&Japio
JP3823280A 1980-03-27 1980-03-27 Improvement of ground Pending JPS56135620A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3823280A JPS56135620A (en) 1980-03-27 1980-03-27 Improvement of ground

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3823280A JPS56135620A (en) 1980-03-27 1980-03-27 Improvement of ground

Publications (1)

Publication Number Publication Date
JPS56135620A true JPS56135620A (en) 1981-10-23

Family

ID=12519549

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3823280A Pending JPS56135620A (en) 1980-03-27 1980-03-27 Improvement of ground

Country Status (1)

Country Link
JP (1) JPS56135620A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010022661A1 (en) * 2010-06-04 2011-12-08 vgs Ingenieure Dr. Köhler & Kirschstein GmbH Methods for soil compaction of sands and gravels, involves generating vertical vibration movements of compression tool by vibration device which is fitted on upper end of compression tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010022661A1 (en) * 2010-06-04 2011-12-08 vgs Ingenieure Dr. Köhler & Kirschstein GmbH Methods for soil compaction of sands and gravels, involves generating vertical vibration movements of compression tool by vibration device which is fitted on upper end of compression tool

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