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Wind Pressures on Large Roofs of Low Buildings and Wind Codes and Standards

Title:

Wind Pressures on Large Roofs of Low Buildings and Wind Codes and Standards

Alrawashdeh, Hatem and Stathopoulos, Ted (2015) Wind Pressures on Large Roofs of Low Buildings and Wind Codes and Standards. Journal of Wind Engineering and Industrial Aerodynamics, 147 . pp. 212-225.

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Official URL: http://dx.doi.org/10.1016/j.jweia.2015.09.014

Abstract

Current wind codes and standards have load provisions dealing with low buildings of common configurations. Large buildings, say 100 m long, had not been considered when these provisions were established. As a result, the interaction between wind and buildings of such geometries should be investigated for the assessment of current wind provisions in terms of their applicability to such configurations. The present wind tunnel study examines nine large low-rise buildings 5, 7.5 and 10 m high for several wind directions ranging from 0° to 90° at increments of 15°. The buildings have square plans with full-scale horizontal dimensions ranging from 60 to 180 m. Results show that building plan sizes have significant effects on the generated wind loads on building roofs. Also, application of current provisions on building geometries of large roofs and low height may lead to considerably conservative and uneconomic design. An exception for very large low buildings, as far as the determination of the sizes of roof edge and corner zones is concerned, has been recommended to rectify the deficiency of wind code and standard provisions for these building geometries.

Divisions:Concordia University > Gina Cody School of Engineering and Computer Science > Building, Civil and Environmental Engineering
Item Type:Article
Refereed:Yes
Authors:Alrawashdeh, Hatem and Stathopoulos, Ted
Journal or Publication:Journal of Wind Engineering and Industrial Aerodynamics
Date:December 2015
Digital Object Identifier (DOI):10.1016/j.jweia.2015.09.014
ID Code:981614
Deposited By: THEODORE STATHOPOULOS
Deposited On:12 Sep 2016 13:06
Last Modified:18 Jan 2018 17:53
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