JPH0425397B2 - - Google Patents

Info

Publication number
JPH0425397B2
JPH0425397B2 JP59156666A JP15666684A JPH0425397B2 JP H0425397 B2 JPH0425397 B2 JP H0425397B2 JP 59156666 A JP59156666 A JP 59156666A JP 15666684 A JP15666684 A JP 15666684A JP H0425397 B2 JPH0425397 B2 JP H0425397B2
Authority
JP
Japan
Prior art keywords
sensor
drill
excavation
bit
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.)
Expired - Lifetime
Application number
JP59156666A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6136492A (ja
Inventor
Yoshuki Ootsuka
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.)
Shimizu Construction Co Ltd
Original Assignee
Shimizu Construction 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 Shimizu Construction Co Ltd filed Critical Shimizu Construction Co Ltd
Priority to JP15666684A priority Critical patent/JPS6136492A/ja
Publication of JPS6136492A publication Critical patent/JPS6136492A/ja
Publication of JPH0425397B2 publication Critical patent/JPH0425397B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP15666684A 1984-07-27 1984-07-27 土砂性状感知方法および装置 Granted JPS6136492A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15666684A JPS6136492A (ja) 1984-07-27 1984-07-27 土砂性状感知方法および装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15666684A JPS6136492A (ja) 1984-07-27 1984-07-27 土砂性状感知方法および装置

Publications (2)

Publication Number Publication Date
JPS6136492A JPS6136492A (ja) 1986-02-21
JPH0425397B2 true JPH0425397B2 (cg-RX-API-DMAC7.html) 1992-04-30

Family

ID=15632648

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15666684A Granted JPS6136492A (ja) 1984-07-27 1984-07-27 土砂性状感知方法および装置

Country Status (1)

Country Link
JP (1) JPS6136492A (cg-RX-API-DMAC7.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7608393B2 (ja) * 2022-06-02 2025-01-06 地中空間開発株式会社 トンネル掘削機

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2067613A5 (cg-RX-API-DMAC7.html) * 1969-11-12 1971-08-20 Aquitaine Petrole
US4150568A (en) * 1978-03-28 1979-04-24 General Electric Company Apparatus and method for down hole vibration spectrum analysis

Also Published As

Publication number Publication date
JPS6136492A (ja) 1986-02-21

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