Performance of Roof Tiles under Simulated Hurricane Impact

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Abstract
Widespread damage to tile roofs over the last few years, even for weaker hurricanes, has raised concerns regarding construction practices and codes. An experimental study was carried out for clay and concrete roof tiles with adhesive- and mortar-set attachments using a “Wall of Wind” apparatus. The estimated peak 3-s gust wind speeds achieved in the simulations were 31.5 and 57.9 m∕s (70.5 and 129.5 mi∕h ), as defined by the ASCE 7 Standard. Tests were conducted for winds from the 0° direction and subsequently, unless the roofs suffered significant damage, from the 50° direction. The research objectives were to assess roof-tile performance and observe failure modes in simulated hurricane conditions, and obtain wind pressure data allowing comparisons of measured pressures with pressures for components and cladding specified in the ASCE 7-05 Standard. Comparisons of pressure time histories for different tile systems showed that the external pressure on a tile is strongly influenced by the surface geometry o...

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