JPS6238370A - 鋼管の壁内金属接触検出装置 - Google Patents

鋼管の壁内金属接触検出装置

Info

Publication number
JPS6238370A
JPS6238370A JP60178724A JP17872485A JPS6238370A JP S6238370 A JPS6238370 A JP S6238370A JP 60178724 A JP60178724 A JP 60178724A JP 17872485 A JP17872485 A JP 17872485A JP S6238370 A JPS6238370 A JP S6238370A
Authority
JP
Japan
Prior art keywords
steel pipe
wall
current
reinforcing bar
magnetic field
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.)
Granted
Application number
JP60178724A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0516550B2 (enExample
Inventor
Hidekazu Makabe
英一 真壁
Hiroyuki Hojo
北條　博行
Keisei Sasaki
経世 佐々木
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 JP60178724A priority Critical patent/JPS6238370A/ja
Publication of JPS6238370A publication Critical patent/JPS6238370A/ja
Publication of JPH0516550B2 publication Critical patent/JPH0516550B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measurement Of Resistance Or Impedance (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP60178724A 1985-08-14 1985-08-14 鋼管の壁内金属接触検出装置 Granted JPS6238370A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60178724A JPS6238370A (ja) 1985-08-14 1985-08-14 鋼管の壁内金属接触検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60178724A JPS6238370A (ja) 1985-08-14 1985-08-14 鋼管の壁内金属接触検出装置

Publications (2)

Publication Number Publication Date
JPS6238370A true JPS6238370A (ja) 1987-02-19
JPH0516550B2 JPH0516550B2 (enExample) 1993-03-04

Family

ID=16053459

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60178724A Granted JPS6238370A (ja) 1985-08-14 1985-08-14 鋼管の壁内金属接触検出装置

Country Status (1)

Country Link
JP (1) JPS6238370A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01314990A (ja) * 1988-06-15 1989-12-20 Tokyo Gas Co Ltd 地中埋設管に於ける導電性動体の接触検出方法及び装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01314990A (ja) * 1988-06-15 1989-12-20 Tokyo Gas Co Ltd 地中埋設管に於ける導電性動体の接触検出方法及び装置

Also Published As

Publication number Publication date
JPH0516550B2 (enExample) 1993-03-04

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