Mechanical Performance Model for Roofing Membranes
Publication: Journal of Structural Engineering
Volume 109, Issue 6
Abstract
The mechanical performance of built‐up roofing membranes, fully bonded to an underlying deck or substrate was modeled. Both linear and nonlinear stress‐strain behaviors were considered in the model development. The model is compared to previously developed models. It was found that the equality of the complementary strain energy of the fabric or felt layer with the strain energy of the bonding adhesive or bitumen layer governs both the conditions under which membrane integrity is lost and the mode of failure. Failure can occur either by membrane splitting or adhesive disbonding. The testing criteria developed are applied to a sample case.
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References
1.
Bonafont, R. L., “Research Into Mechanical Behaviour of Waterproofing Membrane Systems,” International Symposium on Roofs and Roofing, Paper No. 9, Brighton, England, Sept., 1974.
2.
Bonafont, R. L., “Application of Performance Concept in Evaluation, Specification, and Selection of Roofing Materials,” Proceedings, Symposium on Roofing Technology, Paper No. 11, National Bureau of Standards, Washington, D.C., Sept., 1977, pp. 70–85.
3.
Heukelom, W., “Observations on the Rheology and Fracture of Bitumens and Asphalt Mixes,” Shell Bitumen Reprint No. 19, Shell International Petroleum Co., Ltd., London, England, 1966.
4.
Jones, P. M., “Load‐Strain Properties and Splitting of Roof Membranes,” Engineering Properties of Roofing Systems, ASTM STP409, American Society for Testing and Materials, 1967, pp. 78–90.
5.
Koike, M., “Elastic Analysis of Ruptures of Bitumen‐Felt Roof Coverings Caused by Cracks in Substructures,” BRI Occasional Report No. 15, Building Research Institute of Japan, Dec., 1963.
6.
Marijs, R. G., and Bonafont, R. L., “Mechanical Behaviour of Bituminous Waterproofing Membrane Systems,” Journal of Applied Chemistry, 20, 1970, pp. 11–20.
7.
Mathey, R. G., and Cullen, W. C., “Preliminary Performance Criteria for Bituminous Membrane Roofing,” National Bureau of Standards, Building Science Series 55, Nov., 1974.
8.
Pommersheim, J. M., and Mathey, R. G., “Mechanical Performance of Built‐Up Roofing Membranes,” National Bureau of Standards, Technical Note 1152, Nov., 1981.
9.
Rossiter, W. J., Jr., and Mathey, R. G., “Effect of Insulation on the Surface Temperature of Roof Membranes,” National Bureau of Standards, NBSIR 76‐987, Feb., 1967.
10.
Timoshenko, S. P., and Gere, J. M., Mechanics of Materials, Chapter 11, Van Nostrand‐Reinhold Co., New York, N.Y., 1972.
Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 109 • Issue 6 • June 1983
Pages: 1431 - 1449
Copyright
Copyright © 1983 ASCE.
History
Published online: Jun 1, 1983
Published in print: Jun 1983
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