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Significance and Use
It is known that the observed effects of wind simulated in a wind-tunnel apparatus are related to the effects observed from natural wind. The resistance of tiles to simulated wind in this test relates to the resistance of the tiles to the effects of natural wind when they are applied to a roof. One factor in the resistance of the tiles to the effects of both natural and simulated wind is the method of attachment specified in the manufacturer's instructions. This test method determines the uplift forces acting as a result of the simulated wind when tile are attached to a section of roof deck in accordance with the manufacturer's instructions. Natural wind conditions differ with respect to intensity, duration, and turbulence; these conditions are beyond the means of this test method to simulate.
1.1 This test method covers a procedure to determine the resistance of concrete and clay roof tiles to simulated wind effects in a wind-tunnel apparatus. Simulated wind velocities of 70 mph (31 m/s) to 130 mph (58 m/s) are employed.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C43 Terminology of Structural Clay Products
C67 Test Methods for Sampling and Testing Brick and Structural Clay Tile
C140 Test Methods for Sampling and Testing Concrete Masonry Units and Related Units
C1167 Specification for Clay Roof Tiles
C1492 Specification for Concrete Roof Tile
C1568 Test Method for Wind Resistance of Concrete and Clay Roof Tiles (Mechanical Uplift Resistance Method)
C1570 Test Method for Wind Resistance of Concrete and Clay Roof Tiles (Air Permeability Method)
SBCCI StandardsSBCCISSDT11SBCCI Test Standard for Determining Wind Resistance of Concrete or Clay Roof Tiles
ASCE StandardsASCE7 Minimum Design Loads for Buildings and Other Structures
ICS Number Code 91.060.20 (Roofs)