2 0 0 0 OA 鉄骨造超高層建物の航空機衝突に対する損傷評価(構造)
- 著者
- 福田 隆介 福澤 栄治 小鹿 紀英 森川 博司
- 出版者
- 一般社団法人 日本建築学会
- 雑誌
- 日本建築学会技術報告集 (ISSN:13419463)
- 巻号頁・発行日
- vol.11, no.21, pp.79-84, 2005-06-20 (Released:2017-04-14)
- 参考文献数
- 7
At the September 11, 2001, New York World Trade Center Towers did not collapse immediately after the aircraft impacts, despite the localized damage. Thus, the reserve capacity to the phenomenon besides assumption was called "redundancy", and after the WTC two towers' collapse, when taking the safety of a building into consideration, it had been recognized to be important property. In order that a building structure could not collapse and be secure safety to the load beyond anticipation on its structural design like the impulsive load by a collision, explosion, etc., it is important the building structure possesses structural redundancy. The purpose of this study is to evaluate the overall damage and the local damage and its structural redundancy against the aircraft impact equivalent to that in WTC for the Japanese typical 50 story high-rise steel building.
1 0 0 0 OA ニューヨーク世界貿易センタービルの航空機衝突時の全体応答と局部損傷の評価
- 著者
- 福田 隆介 福澤 栄治 小鹿 紀英 森川 博司
- 出版者
- 日本建築学会
- 雑誌
- 日本建築学会構造系論文集 (ISSN:13404202)
- 巻号頁・発行日
- vol.68, no.570, pp.77-84, 2003-08-30 (Released:2017-02-08)
- 参考文献数
- 6
- 被引用文献数
- 2 1
At the September 11, 2001, terrorist attacks on WTC1 and 2, extensive structural damage, including localized collapse, occurred at the several floor levels directly impacted by the aircraft. Despite this massive localized damage, each structure remained standing for approximately one hour or one hour and a half. Although the damage of the beams and columns in outer framed tube of each tower are clarified at the published FEMA/ASCE report, the damage of the floor system and inner core columns are not estimated. The purpose of this study is to know the reason why the buildings remained standing at the impact through the several analytical studies, such as the impact analyses using the simplified model, that estimates the overall damage, and the rigorous finite element model, that estimates the local damage, and stress analyses after some structural members are lost.