About HAMADA M
About Tokai Univ., Shimizu
About KUBO K
About Saitama Univ.
About SAITO K
About Tokyo Gas Co. Ltd., Tokyo
About ASME. PVP (American Society of Mechanical Engineers. Pressure Vessels and Piping Div.)
About earthquake
About Natural disasters
About Pipeline,air and hydraulic conveyance
About 日本海中部地震
About 土地
About 液状化
About 大地
About 埋設パイプ
About 破損