2011.4-2012.3 Yearbook of NILIM
Research Summary


Water Quality Control Department

Reference Number Y110202
Title Research about countermeasures for sewer lines against large-scale earthquake
Start-End Date 2010.4-2012.3
Division Wastewater System Division
Author Head, Toshihiro YOKOTA
Senior Researcher, Wataru FUKATANI
Researcher, Manabu MATSUHASHI
Summary The Great East Japan Earthquake of 11th March 2011 caused extensive damage in Japan. In this disaster, not only the earthquake itself but also the tsunami and liquefaction due to the earthquake magnified the damage done to the sewage treatment facilities. This research is concerned with the damage situation of sewage treatment facilities caused by giant earthquake in March, 2011 and future seismic countermeasure plans.