Chapter
Jan 9, 2013
Wind Load on Ridge and Field Tiles on a Residential Building: A Full Scale Study
Authors: Amanuel Tecle [email protected], Girma T. Bitsuamlak [email protected], and Arindam Gan ChowduryAuthor Affiliations
Publication: Advances in Hurricane Engineering: Learning from Our Past
Abstract
This paper presents a large-scale Wall of Wind (WoW) investigation of external and underneath wind pressures on roof tiles installed on a low-rise building. The dimension of the low-rise building tested was 2.74 m (9 ft) long, 2.13 m (7 ft) wide, and 2.13 m (7 ft) high (wall height). The building was tested with interchangeable gable roofs with three different slopes (2:12; 5:12 and 7:12). The field tiles of these gable roofs were tested under three different tile profiles. namely: high (HP), medium (MP), and low profiles (LP) in accordance with Florida Building Code of Practice; but, only the MP profile is discussed in this paper. For the ridge part of the roof, two different types of tiles were considered, namely: rounded and three-sided. The results showed that the ridge tiles were exposed to high pressure coefficients as compared to the field tiles, including those located at the corners. Considerably higher pressure developed on the gable-end ridge tiles compared to those at the roof center. Positive mean underneath pressure on the field tiles develops on the windward side, thus increasing the net pressures on the windward surface of the roof. On the leeward side, however, reductions in net pressure to a non-significant level were observed due to the opposite direction of the internal and external pressures.
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© 2013 American Society of Civil Engineers.
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Published online: Jan 9, 2013
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Research Scientist, EQECAT Inc., 475 14th Street, 5th Floor, Oakland, CA 94612. E-mail: [email protected]
Associate Professor, Department of Civil and Environmental Engineering, University of Western Ontario. 1151 Richmond St., London, ON N6A 3K6, Canada. E-mail: [email protected]
Arindam Gan Chowdury
Assistant Professor, Dept. of Civil and Environ. Eng.; Director, Lab. For Wind Eng. Research, Intl. Hurricane Research Center; Florida Intl. University, 10555 W. Flagler Street, Miami, FL 33174
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