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Studies on Tornado-Structure Interactions and Guidance on Design Tornadic Wind Loading.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Studies on Tornado-Structure Interactions and Guidance on Design Tornadic Wind Loading./
作者:	Li, Zhi.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2021,
面頁冊數:	177 p.
附註:	Source: Dissertations Abstracts International, Volume: 83-04, Section: B.
Contained By:	Dissertations Abstracts International83-04B.
標題:	Civil engineering. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28646523
ISBN:	9798460412471

Studies on Tornado-Structure Interactions and Guidance on Design Tornadic Wind Loading.
Li, Zhi.

Studies on Tornado-Structure Interactions and Guidance on Design Tornadic Wind Loading. - Ann Arbor : ProQuest Dissertations & Theses, 2021 - 177 p.

Source: Dissertations Abstracts International, Volume: 83-04, Section: B.

Thesis (Ph.D.)--Missouri University of Science and Technology, 2021.

This item must not be sold to any third party vendors.

Tornadoes are violent natural hazards that could caused significant property loss and fatalities. Statistical data indicates that most fatalities during tornado incidents were caused by the building failure under tornadoes. For example, in the 2011 Joplin Tornado, 161 people were killed, and 84 percent of the fatalities were related to the failure of buildings. In addition, most of the significant, tornado-induced property loss and fatalities are relevant to the tornadoes passing through the densely populated regions. Besides buildings, bridges were also severely damaged or destroyed by tornadoes in the United States. To reduce the tornado-induced loss, it is imperative to properly determine the tornado-induced wind effects on buildings and bridges and modify the wind pressure equations in the current design codes (ASCE7-16 for buildings and AASHTO for bridges). To achieve this objective, in this study, Computational Fluid Dynamic (CFD) simulations are employed to systematically investigate the wind effects on buildings and bridges induced by tornadic winds and their equivalent straight-line winds. First, tornado induced wind effects on the single building and the building of interest located in a community are investigated and compared. Then, the wind effects on the building of interest caused by tornadic winds and their equivalent straight-line winds are extracted and compared. Next, the comparison of wind effects on bridges under tornadic winds and their equivalent straight-line winds are investigated. Finally, by comparing the wind effects on buildings, the current wind pressure equations in ASCE7-16 are properly modified to facilitate the tornado-resistant design for buildings. The same procedure is applied to modify the wind pressure equations in AASHTO for bridges.

ISBN: 9798460412471Subjects--Topical Terms:

860360
Civil engineering.
Subjects--Index Terms:

Bridge

Studies on Tornado-Structure Interactions and Guidance on Design Tornadic Wind Loading.
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520 $a Tornadoes are violent natural hazards that could caused significant property loss and fatalities. Statistical data indicates that most fatalities during tornado incidents were caused by the building failure under tornadoes. For example, in the 2011 Joplin Tornado, 161 people were killed, and 84 percent of the fatalities were related to the failure of buildings. In addition, most of the significant, tornado-induced property loss and fatalities are relevant to the tornadoes passing through the densely populated regions. Besides buildings, bridges were also severely damaged or destroyed by tornadoes in the United States. To reduce the tornado-induced loss, it is imperative to properly determine the tornado-induced wind effects on buildings and bridges and modify the wind pressure equations in the current design codes (ASCE7-16 for buildings and AASHTO for bridges). To achieve this objective, in this study, Computational Fluid Dynamic (CFD) simulations are employed to systematically investigate the wind effects on buildings and bridges induced by tornadic winds and their equivalent straight-line winds. First, tornado induced wind effects on the single building and the building of interest located in a community are investigated and compared. Then, the wind effects on the building of interest caused by tornadic winds and their equivalent straight-line winds are extracted and compared. Next, the comparison of wind effects on bridges under tornadic winds and their equivalent straight-line winds are investigated. Finally, by comparing the wind effects on buildings, the current wind pressure equations in ASCE7-16 are properly modified to facilitate the tornado-resistant design for buildings. The same procedure is applied to modify the wind pressure equations in AASHTO for bridges.
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