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JPS56142913A - Method and apparatus for installing forcible insertion type borehole expansion loading tester - Google Patents

Method and apparatus for installing forcible insertion type borehole expansion loading tester

Info

Publication number
JPS56142913A
JPS56142913A JP4638480A JP4638480A JPS56142913A JP S56142913 A JPS56142913 A JP S56142913A JP 4638480 A JP4638480 A JP 4638480A JP 4638480 A JP4638480 A JP 4638480A JP S56142913 A JPS56142913 A JP S56142913A
Authority
JP
Japan
Prior art keywords
tester
ground
insertion type
borehole
installing
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
JP4638480A
Other languages
Japanese (ja)
Inventor
Atsushi Kadowaki
Hideo Hanzawa
Makoto Hirose
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.)
Toa Corp
Airport Facilities Co Ltd
Original Assignee
Toa Corp
Kokusai Kogyo Co 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 Toa Corp, Kokusai Kogyo Co Ltd filed Critical Toa Corp
Priority to JP4638480A priority Critical patent/JPS56142913A/en
Publication of JPS56142913A publication Critical patent/JPS56142913A/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 permit the installation of a forcibly insertion type borehold expansion loading tester under the ground without disturbing the ground around the place where the tester is installed by rapidly inserting the tester to a depth underground.
CONSTITUTION: Plural meters 3 are attached to the prepheral wall of the body 1 of a forcibly insertion type borehole expansion tester composed of a hollow cylinder, and signals from each meter 3 are sent out through a code 4 from the upside of the body 1. The tester 10 is installed under the ground by the following method. The tester 10 is inserted into a borehole 7 until it reaches the upper part of the test position underground 6, and then the tester 10 is rapidly inserted further to the test position by a boring rod 5. In this case, since the soil corresponding to the volume of the tester 10 is flowed into the hollow cylinder of the tester 10 during the insertion work, no disturbance occurs in the soil around the tester 10. Also, when the ground is hard and also the pressure required for insertion is high as in the case of sand, a small diametered borehole 9 is preferably drilled in advance.
COPYRIGHT: (C)1981,JPO&Japio
JP4638480A 1980-04-09 1980-04-09 Method and apparatus for installing forcible insertion type borehole expansion loading tester Pending JPS56142913A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4638480A JPS56142913A (en) 1980-04-09 1980-04-09 Method and apparatus for installing forcible insertion type borehole expansion loading tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4638480A JPS56142913A (en) 1980-04-09 1980-04-09 Method and apparatus for installing forcible insertion type borehole expansion loading tester

Publications (1)

Publication Number Publication Date
JPS56142913A true JPS56142913A (en) 1981-11-07

Family

ID=12745638

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4638480A Pending JPS56142913A (en) 1980-04-09 1980-04-09 Method and apparatus for installing forcible insertion type borehole expansion loading tester

Country Status (1)

Country Link
JP (1) JPS56142913A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6431006B1 (en) * 1997-06-11 2002-08-13 Dynamic In Situ Geotechnical Testing Incorporated Soil testing assemblies

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5023527A (en) * 1973-06-29 1975-03-13
JPS5331289A (en) * 1976-09-03 1978-03-24 Toshiba Corp Jet nozzle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5023527A (en) * 1973-06-29 1975-03-13
JPS5331289A (en) * 1976-09-03 1978-03-24 Toshiba Corp Jet nozzle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6431006B1 (en) * 1997-06-11 2002-08-13 Dynamic In Situ Geotechnical Testing Incorporated Soil testing assemblies

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