About MATSUHASHI Manabu
About National Inst. Land and Infrastructure Management, Ministry of Land, Infrastructure, Transport and Tourism, Ibaraki, JPN
About TSUSHIMA Ikuo
About National Inst. Land and Infrastructure Management, Ministry of Land, Infrastructure, Transport and Tourism, Ibaraki, JPN
About FUKATANI Wataru
About National Inst. Land and Infrastructure Management, Ministry of Land, Infrastructure, Transport and Tourism, Ibaraki, JPN
About YOKOTA Toshihiro
About National Inst. Land and Infrastructure Management, Ministry of Land, Infrastructure, Transport and Tourism, Ibaraki, JPN
About Soils and Foundations (Web)
About earthquake disaster
About sewerage
About sewage treatment plant
About damage and injury
About national policy
About liquefaction(fluidization)
About tsunami
About sewer pipe
About manhole
About wastewater treatment facilities
About pumping station
About tsunami countermeasure
About disaster countermeasure
About disaster prevention countermeasure
About liquefaction countermeasure
About drainage arrangement
About Great East Japan Earthquake
About Natural disasters
About Sewerage engineering and wastewater treatment in general
About 東日本大震災
About 下水道
About 損傷
About 政府
About 政策