JPH0226194B2 - - Google Patents

Info

Publication number
JPH0226194B2
JPH0226194B2 JP59085181A JP8518184A JPH0226194B2 JP H0226194 B2 JPH0226194 B2 JP H0226194B2 JP 59085181 A JP59085181 A JP 59085181A JP 8518184 A JP8518184 A JP 8518184A JP H0226194 B2 JPH0226194 B2 JP H0226194B2
Authority
JP
Japan
Prior art keywords
magnetic field
excavator
detection device
target line
excavation
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
JP59085181A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60230079A (ja
Inventor
Takeshi Murayama
Kyoshi Nagasawa
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP59085181A priority Critical patent/JPS60230079A/ja
Publication of JPS60230079A publication Critical patent/JPS60230079A/ja
Publication of JPH0226194B2 publication Critical patent/JPH0226194B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Navigation (AREA)
JP59085181A 1984-04-28 1984-04-28 掘進機の位置検出装置 Granted JPS60230079A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59085181A JPS60230079A (ja) 1984-04-28 1984-04-28 掘進機の位置検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59085181A JPS60230079A (ja) 1984-04-28 1984-04-28 掘進機の位置検出装置

Publications (2)

Publication Number Publication Date
JPS60230079A JPS60230079A (ja) 1985-11-15
JPH0226194B2 true JPH0226194B2 (enrdf_load_stackoverflow) 1990-06-07

Family

ID=13851484

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59085181A Granted JPS60230079A (ja) 1984-04-28 1984-04-28 掘進機の位置検出装置

Country Status (1)

Country Link
JP (1) JPS60230079A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4806869A (en) * 1986-05-22 1989-02-21 Flow Industries, Inc. An above-ground arrangement for and method of locating a discrete in ground boring device
JPS63268898A (ja) * 1987-04-27 1988-11-07 株式会社　関電工 カ−ブ削進工法
JPH0468192A (ja) * 1990-07-06 1992-03-03 Komatsu Ltd シールド掘進機の位置検出方法
JP2002365005A (ja) * 2001-06-08 2002-12-18 San Shield Kk シールド機の位置検出方法及びシールド機の位置検出装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5811030B2 (ja) * 1977-05-01 1983-03-01 日本電信電話株式会社 シ−ルド機の水平位置探知方法

Also Published As

Publication number Publication date
JPS60230079A (ja) 1985-11-15

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