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ASTM Selected Technical Papers
Roofing Research and Standards Development: 2nd Volume
By
TJ Wallace
TJ Wallace
1
Naval Facilities Enginnering Command
?
Philadelphia, PA 19112 Symposium Co-Chairman and Editor
.
Search for other works by this author on:
WJ Rossiter, Jr Jr
WJ Rossiter, Jr Jr
2
National Institute of Standards and Technology
,
Gaithersburg, MD 20899 Symposium Co-Chairman and Editor
.
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ISBN-10:
0-8031-1393-5
ISBN:
978-0-8031-1393-0
No. of Pages:
234
Publisher:
ASTM International
Publication date:
1990

The roofing industry has seen increasing efforts to move toward performance standards rather than prescriptive standards for roofing materials. In order to better understand the performance of the materials, testing should represent the material service environment as closely as possible. When in service, roofing materials are stressed biaxially. Therefore, load-strain testing to evaluate performance of roofing materials should be biaxial. Selected membrane sheet materials are tested, and the results reveal significant reductions in elongations to failure as well as failure strength.

1.
Radon
,
J. C.
,
Leevers
,
P. S.
, and
Culver
,
L. E.
, “
A Simple Testing Technique for Fracture under Biaxial Stresses
,”
Experimental Mechanics
,
06
1977
, pp.228–232.
2.
Mott
,
R.
,
Huber
,
G.
, and
Leewood
,
A.
,“
Characterizing Permanent Fabric Roof Materials
,”
Journal of Testing and Evaluation
 0090-3973,
01
1985
, pp 12–18.
3.
Testa
,
R. B.
, and
Boctor
,
W.
, “
A Biaxial Stress Transducer for Fabrics
,”
Experimental Mechanics
,
03
1984
, pp.33–40.
4.
Reinholdt
,
H. W.
, “
On the Biaxial Testing and Strength of Coated Fabrics
,”
Experimental Mechanics
,
02
1976
, pp 71–74.
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