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Trajectories of windborne debris and applications to impact testing

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Ning, L, Holmes, JD and Letchford, CW 2007 , 'Trajectories of windborne debris and applications to impact testing' , Journal Structural Engineering, vol. 133, No. 2 , pp. 274-282 , doi: 10.1061/(ASCE)0733-9445(2007)133:2(274).

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Abstract

This paper considers the trajectories of compact and rod-type wind-borne debris in horizontal winds, using a combination of
experimental and numerical studies. These types are representative of the roof gravel and timber members currently used for testing
building facades and storm shutters. These studies indicate that the ratio of horizontal debris speed to wind gust speed is primarily a
function of the horizontal distance traveled by the debris as it accelerates toward the wind speed. Empirical expressions to approximate
the horizontal speed of these debris as a function of travel distance and time are developed, and may be used to establish rational debris
impact criteria

Item Type: Article
Authors/Creators:Ning, L and Holmes, JD and Letchford, CW
Keywords: Debris; Hurricanes; Wind tunnels; Damage; Numerical analysis.
Journal or Publication Title: Journal Structural Engineering
Publisher: ASCE
ISSN: 0733-9445
DOI / ID Number: 10.1061/(ASCE)0733-9445(2007)133:2(274)
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