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ASTM C1569-03

(Test Method)

Standard Test Method for Wind Resistance of Concrete and Clay Roof Tiles (Wind Tunnel Method)

Standard Test Method for Wind Resistance of Concrete and Clay Roof Tiles (Wind Tunnel Method)

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’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’instructions. Natural wind conditions differ with respect to intensity, duration, and turbulence; these conditions are beyond the means of this test method to simulate.
SCOPE
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 the standard. The values in parentheses are given for reference only.
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.

General Information

Status
Historical
Publication Date
09-Jun-2003
ICS
91.060.20 - Roofs
Technical Committee
C15 - Masonry – Manufactured Masonry Units, Mortars and Grouts
Drafting Committee
C15.06 - Roofing Tile
Current Stage
Ref Project

Relations

Replaced By
ASTM C1569-03(2009) - Standard Test Method for Wind Resistance of Concrete and Clay Roof Tiles (Wind Tunnel Method)
Effective Date
01-Jun-2009
Referred By
ASTM C1232-21a - Standard Terminology for Masonry
Effective Date
10-Jun-2003

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ASTM C1569-03 - Standard Test Method for Wind Resistance of Concrete and Clay Roof Tiles (Wind Tunnel Method)ASTM C1569-03 - Standard Test Method for Wind Resistance of Concrete and Clay Roof Tiles (Wind Tunnel Method)
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ASTM C1569-03 - Standard Test Method for Wind Resistance of Concrete and Clay Roof Tiles (Wind Tunnel Method)
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:C1569–03
Standard Test Method for
Wind Resistance of Concrete and Clay Roof Tiles (Wind
Tunnel Method)
This standard is issued under the fixed designation C 1569; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 2.3 ASCE Standards:
ASCE 7 Minimum Design Loads for Buildings and Other
1.1 This test method covers a procedure to determine the
Structures
resistance of concrete and clay roof tiles to simulated wind
effects in a wind-tunnel apparatus. Simulated wind velocities
3. Terminology
of 70 mph (31 m/s) to 130 mph (58 m/s) are employed.
3.1 Definitions—For definitions of terms used in this test
1.2 The values stated in inch pound units are to be regarded
method refer to Terminology C 43, and Specifications C 1167
as the standard. The values in parentheses are given for
and C 1492.
reference only.
1.3 This standard does not purport to address all of the
4. Significance and Use
safety concerns, if any, associated with its use. It is the
4.1 It is known that the observed effects of wind simulated
responsibility of the user of this standard to establish appro-
in a wind-tunnel apparatus are related to the effects observed
priate safety and health practices and determine the applica-
from natural wind. The resistance of tiles to simulated wind in
bility of regulatory limitations prior to use.
this test relates to the resistance of the tiles to the effects of
2. Referenced Documents natural wind when they are applied to a roof. One factor in the
2 resistance of the tiles to the effects of both natural and
2.1 ASTM Standards:
simulated wind is the method of attachment specified in the
C 43 Terminology of Structural Clay Products
manufacturer’s instructions. This test method determines the
C 67 Test Methods for Sampling and Testing Brick and
uplift forces acting as a result of the simulated wind when tile
Structural Clay Tile
are attached to a section of roof deck in accordance with the
C 140 Test Methods of Sampling and Testing Concrete
manufacturer’s instructions. Natural wind conditions differ
Masonry Units
with respect to intensity, duration, and turbulence; these
C 1167 Specification for Clay Roof Tiles
conditions are beyond the means of this test method to
C 1492 Specification for Concrete Roof Tiles
simulate.
C 1568 Test Method for Wind Resistance of Concrete and
Clay Roof Tiles (Mechanical Uplift Method)
5. Apparatus
C 1570 Test Method for Wind Resistance of Concrete and
5.1 The test assembly of tiles attached to a section of roof
Clay Roof Tiles (Air Permeability Method)
deck is identical to that used inTest Method C 1568 (Mechani-
2.2 SBCCI Standards:
cal Uplift Method) except that tile are not fitted with a
SBCCI SSDT 11 SBCCI Test Standard for Determining
load-transfer device.
Wind Resistance of Concrete or Clay Roof Tiles
5.2 The test assembly of tiles attached to the roof deck
NOTE 1—This standard is based on the International Code Council’s
section is positioned on the floor of the wind tunnel apparatus
ICC/SBCCI SSTD 11 Test Standard for Determining Wind Resistance of
as shown in Fig. 1.
Concrete or Clay Roof Tiles, and work derived from the tile industry’s
testing programs completed in the Redland Wind Tunnel in the UK.
6. Conditioning
6.1 See the conditioning specified in Test Method C 1568
(Mechanical Uplift Method) for each specific installation
This test method is under the jurisdiction of ASTM Committee C15 on
system being investigated.
Manufactured Masonry Units and is the direct responsibility of Subcommittee
C15.06 on Roofing Tile .
7. Procedure
Current edition approved June 10, 2003. Published August 2003.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
7.1 Install the tile in the same manner as on a roof, in
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
accordance with the manufacturer’s instructions, on a small
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. section of roof deck constructed to fit within the wind tunnel
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
C1569–03
FIG. 1 Test Assembly Location in the Wind Tunnel Apparatus
apparatus. The rafters shall be capable of being securely This procedure will be repeated in 10 mph (4 m/s) increments
anchored to the floor of the wind tunnel apparatus, and the until a wind speed of 130 mph (58 m/s) is reached, the
sheathing firmly nailed to the rafters. Roofing underlayment is maximum wind speed of the wind tunnel is reached, or the test
installed on top of the sheathing and, if required, battens are assembly has failed. If the test assembly fails, the wind speed
nailed to the sheathing. The tile, underlayment system, and when the roof covering is removed shall be recorded. If the
roof deck section constitute the test assembly. roof covering is not removed, then the maximum wind speed
7.2 The test assembly for the tile installation system being obtained in the test shall be recorded.
investigated shall be installed in the floor of the wind tunnel 7.9 The net pressures on the tile shall be used to determine
apparatus to cover area B in Fig. 1. Area A shall be used to the aerodynamic uplift force (overturning moment) on the tile
provide the boundary conditions for the flow overArea B. The as a function of the velocity pressures of the various wind
tiles in Area A shall be firmly fixed to the floor of the wind speeds in the free stream. The wind velocity of the free stream
tunnel apparatus. The tiles along the side of the test assembly shall be correlated to the fastest mile wind velocity used in the
shall be sealed with adhesive tape to prevent air flow betwee
...

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SCOPE
1.1 Practice D7897 applies to simulation of the effects of field exposure on the solar reflectance and thermal emittance of roof surface materials including but not limited to field-applied coatings, factory-applied coatings, single-ply membranes, modified bitumen products, shingles, tiles, and metal products. The solar reflectance and thermal emittance of roof surfacing materials can be changed by exposure to the outdoor environment. These changes are caused by three factors: deposition and retention of airborne pollutants, microbiological growth, and changes in physical or chemical properties. This practice applies to simulation of changes in solar reflectance and thermal emittance induced by deposition and retention of airborne pollutants and, to a limited extent, changes caused by microbiological growth.  
1.2 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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