2012.4-2013.3 Yearbook of NILIM
Research Summary
Water Quality Control Department
Reference Number | Y120201 |
Title | Research on Application of Stock Management Approach to Sewers |
Start-End Date | 2010.4-2013.3 |
Division | Wastewater System Division |
Author | Head, Toshihiro YOKOTA Senior Researcher, Wataru FUKATANI Researcher, Masaki SUEHISA Guest Research Engineer, Masahiro NOZAWA |
Summary | Japan has invested heavily for the expansion of sewer network since the 1960fs. Aging problems are appearing for the early laid sewers. As a result, annual road cave-in caused by sewer reached to more than 4,000 cases in recent years. Our research developed the methodology for innovate stock management. |