Estimating the 3-Second Gust on Rooftops of Residential and Low-rise Buildings during a Hurricane

Estimating the 3-Second Gust on Rooftops of Residential and Low-rise Buildings during a Hurricane

Prof. S. A. Hsu

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S. A. Hsu

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Louisiana State University

Estimating the 3-Second Gust on Rooftops of Residential and Low-rise Buildings during a Hurricane

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Abstract

After the passage of a hurricane numerous infrastructures suffer water and wind damages. From engineering meteorology viewpoint, many cases are related to the impact of the wind on a roof. In order to estimate the wind speed on a roof, the three second gust is employed according to ASCE-7 for the wind load analysis. However, since there is no 3-s gust measurement on a roof, constant disputes occur as to who is liable to pay for the damages. After a brief review of recent literature, this technical note provides a methodology to resolve these disputes objectively. The formula is verified by full-scale field measurements during Hurricanes Frances and Ivan. Furthermore, in order to help engineers and contractor estimate the 3-s gust on the rooftop, methods are provided so that the needed 3-s gust can be computed from wind speed measurement available routinely from airports.

References

11 Cites in Article

Reference Format

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Prof. S. A. Hsu. 2013. \u201cEstimating the 3-Second Gust on Rooftops of Residential and Low-rise Buildings during a Hurricane\u201d. Global Journal of Research in Engineering - E: Civil & Structural GJRE-E Volume 13 (GJRE Volume 13 Issue E5): .

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GJRE Volume 13 Issue E5
Pg. 13- 17

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords

gust factor hurricanes rooftop jet turbulence intensity wind speed on roofs

Submission ReceivedDecember 13, 2012
Peer Review Double Blind
Handling Editor
Accepted January 4, 2013
Published January 15, 2013

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v1.2

Issue date

August 2, 2013

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Article Matrices

Total Score: 131

Country: United States

Subject: Global Journal of Research in Engineering - E: Civil & Structural

Authors: S. A. Hsu (PhD/Dr. count: 0)

View Count (all-time): 216

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Publish Date: 2013 08, Fri

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Total Views: 4846

Total Downloads: 2553

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