Title:
PIPE EVALUATION METHOD
Document Type and Number:
WIPO Patent Application WO/2015/162662
Kind Code:
A1
Abstract:
The present invention enables correct evaluation of the deterioration state of a pipe.
The corrosion state of the inner surface of a sample pipe is inspected (S5), and the quality of water flowing through the pipe is analyzed (S5). Next, the result of the inspection of the corrosion state of the inner surface of the sample pipe and the result of the water quality analysis are compared, and it is determined whether or not the inspection of the corrosion state is sufficient to evaluate the degree of deterioration of the entire range to be evaluated including the sample pipe (S6). For example, if the occurrence of corrosion pitting is not recognized in the inspection of the corrosion state although the occurrence of the pitting corrosion on the surface of the pipe is strongly suggested by the water quality analysis, it is determined that the inspection of the corrosion state is not sufficient. Meanwhile, if the result of the inspection of the corrosion state and the inspection of the water quality analysis are sufficiently consistent, it is determined that the inspection of the corrosion state is sufficient. Then, the degree of deterioration of the entire range to be evaluated is evaluated on the basis of the result of the inspection of the corrosion state (S7, S8).
Inventors:
TANAKA MAMORU (JP)
Application Number:
PCT/JP2014/061148
Publication Date:
October 29, 2015
Filing Date:
April 21, 2014
Export Citation:
Assignee:
SSK CORP (JP)
International Classes:
G01N17/00
Foreign References:
| JP2000337584A | 2000-12-05 | |||
| JPH0684105U | 1994-12-02 | |||
| JPH05322831A | 1993-12-07 |
Other References:
SEIJI MATSUO ET AL.: "Haisuikan no Gaimen Fushoku Mondai to Taisaku", EISEI KOGAKU SYMPOSIUM RONBUNSHU, vol. 6, 1 November 1998 (1998-11-01), pages 113 - 118
TORU KOSAKAI ET AL.: "Stock Management Kisogawa Ugan Chiku PC Kan no Rekka Shindan to Hozen Taisaku ni Tsuite", JAGREE INFORMATION, vol. 11, no. 78, 2009, pages 45 - 50
TORU KOSAKAI ET AL.: "Stock Management Kisogawa Ugan Chiku PC Kan no Rekka Shindan to Hozen Taisaku ni Tsuite", JAGREE INFORMATION, vol. 11, no. 78, 2009, pages 45 - 50
Attorney, Agent or Firm:
KAJI, SUHARA & ASSOCIATES (JP)
特許業務法人梶 and the Suhara patent firm (JP)
特許業務法人梶 and the Suhara patent firm (JP)
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