About NAKAGAWA Hajime
About Akashi Coll.
About 明石工業高等専門学校研究紀要(Web)
About spring(machine element)
About connectivity
About seismic isolation structure
About building
About near earthquake
About distant earthquake
About Long period ground motion
About response analysis
About large earthquake
About design data
About proper period
About horizontal displacement
About 2003 Tokati-oki earthquake
About The 2011 off the Pacific coast of Tohoku Earthquake
About South Hyogo prefecture earthquake in 1995
About Earthquake-proofing,vibration-proofing,seismic isolation of buildings
About Structural dynamics
About バネ
About 免震構造
About 建築
About 応答
About 低減効果