JPH0441786B2 - - Google Patents
Info
- Publication number
- JPH0441786B2 JPH0441786B2 JP5264184A JP5264184A JPH0441786B2 JP H0441786 B2 JPH0441786 B2 JP H0441786B2 JP 5264184 A JP5264184 A JP 5264184A JP 5264184 A JP5264184 A JP 5264184A JP H0441786 B2 JPH0441786 B2 JP H0441786B2
- Authority
- JP
- Japan
- Prior art keywords
- current
- piping
- buried
- terminal
- circuit
- 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
Links
- 238000009413 insulation Methods 0.000 claims description 31
- 238000005259 measurement Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 230000007547 defect Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000005674 electromagnetic induction Effects 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 description 9
- 230000006866 deterioration Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 239000002689 soil Substances 0.000 description 5
- 239000004567 concrete Substances 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VEMHQNXVHVAHDN-UHFFFAOYSA-J [Cu+2].[Cu+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O Chemical compound [Cu+2].[Cu+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O VEMHQNXVHVAHDN-UHFFFAOYSA-J 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5264184A JPS60195460A (ja) | 1984-03-19 | 1984-03-19 | 配管の絶縁状況判定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5264184A JPS60195460A (ja) | 1984-03-19 | 1984-03-19 | 配管の絶縁状況判定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60195460A JPS60195460A (ja) | 1985-10-03 |
| JPH0441786B2 true JPH0441786B2 (cg-RX-API-DMAC7.html) | 1992-07-09 |
Family
ID=12920456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5264184A Granted JPS60195460A (ja) | 1984-03-19 | 1984-03-19 | 配管の絶縁状況判定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60195460A (cg-RX-API-DMAC7.html) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4599203B2 (ja) * | 2004-03-26 | 2010-12-15 | 大阪瓦斯株式会社 | 埋設管腐食診断システムおよび埋設管腐食診断方法 |
| JP4522289B2 (ja) * | 2005-02-24 | 2010-08-11 | 大阪瓦斯株式会社 | 腐食推定方法 |
| JP2007271540A (ja) * | 2006-03-31 | 2007-10-18 | Tokiko Techno Kk | 腐食推定装置及び腐食推定方法 |
-
1984
- 1984-03-19 JP JP5264184A patent/JPS60195460A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60195460A (ja) | 1985-10-03 |
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