アラカワ トシハル   Arakawa Toshiharu
  荒川 利治
   所属   明治大学  理工学部
   職種   専任教授
発表年月日 2013/03/06
発表テーマ 地盤-建物相互作用を考慮した鉄骨造中層建物の振動特性(実測データに基づくシステム同定)
会議名 理論応用力学講演会講演論文集No.62,pp.1-2
発表形式 口頭(一般)
単独共同区分 共同
発表者・共同発表者 ◎荒川利治(教授),沼 昌昭*,菊永祐太*,中村尚弘*,鈴木琢也*,木下拓也*,谷口竜紀*
概要 Vibration characteristics for a steel building of eleven stories are evaluated to take microtremor measurement periodically. Earthquake observation data are recorded on the floor level of RF, 10F, 8F, 5F, ground surface and -30m in ground. Earthquake response analyses using a sway-rocking model are conducted to confirm the vibration characteristics considering soil-structure interaction. It is considered to compare observation data with results of response calculation. Input data are ground surface waves observed during the 2011 off the Pacific Coast of Tohoku Earthquake, before and after this earthquake. Analytical parameters are soil impedance, story stiffness and damping ratio.