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Hurricane Windspeeds at Inland Locations

by P. J. Vickery, (A.M.ASCE),
L. A. Twisdale, (M.ASCE),



Document Type: Proceeding Paper

Part of: Structures Congress XII

Abstract:

A critical review of the windfield and filling models used in the hurricane simulation procedure of Batts et al. [1980] clearly indicates that the hurricane windspeeds they obtained for inland stations (greater than about 50 km from the coast) are excessive. These excessive windspeeds were used to derive the design windspeeds in ASCE-7-88 which are therefore conservative for inland locations. New simulations performed using the extensively validated HURSIM model yield much lower estimates of the 50- and 100-year return period windspeeds produced by hurricanes for inland locations.

Subject Headings: Computer models | Simulation models | Hurricanes, typhoons, and cyclones | Wind speed | Mathematical models | Wind forces | Standards and codes

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