The 2011 off the Pacific coast of Tohoku earthquake and response of high-rise buildings under long-period ground motions
スポンサーリンク
概要
- 論文の詳細を見る
In the afternoon of March 11, 2011, the eastern Japan was severely attacked by the 2011 off the Pacific coast of Tohoku earthquake (the Great East Japan earthquake). Nearly 30,000 people were killed or are still missing by that earthquake and the ensuing monster tsunami as of April 11, 2011. This paper reports some aspects of this devastating earthquake which hit an advanced country in seismic resistant design. It has been reported that long-period ground motions were induced in Tokyo, Nagoya and Osaka. The properties of these long-period ground motions are discussed from the viewpoint of critical excitation and the seismic behavior of two steel buildings of 40 and 60 stories subjected to the long-period ground motion recorded at Shinjuku, Tokyo is determined and discussed. This paper also reports the effectiveness of visco-elastic dampers like high-hardness rubber dampers in the reduction of responses of super high-rise buildings subjected to such long-period ground motions. The response reduction rate is investigated in detail in addition to the maximum response reduction. In December 2010 before this earthquake, simulated long-period ground motions for earthquake resistant design of high-rise buildings were provided in three large cities in Japan (Tokyo, Nagoya and Osaka) and nine areas were classified. Two 40-story steel buildings (slightly flexible and stiff) are subjected to these long-period ground motions in those nine areas for the detailed investigation of response characteristics of super high-rise buildings in various areas.
論文 | ランダム
- M-048 スケジュール情報を用いたコンテクストの生成と提供をする機構(M.ネットワーク・モバイルコンピューティング)
- 車両走行受信時における可視光通信システムのLEDアレイ送信機検出・追跡手法
- LEDアレイと高速度カメラを用いた階層的符号化光通信方式のための逐次型干渉除去
- ハンディカメラからの自由視点画像生成
- 5)GEOTAILにおけるプラズマ波動測定のためのEMC/EMI対策(無線・光伝送研究会)