Authors: Turnbull, J. E., Mcmartin, K. C. And A. T. Quaile
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Published in: CBE Journal » CBE Journal Volume 24 (1982)

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Description: Structural diaphragms can provide the most convenient way to resist horizontal forces (wind primarily) acting to overturn typical farm buildings. This is particularly true for insulated wood-frame buildings for animal production and food storage here, the requirement to insulate and finish the interior surfaces usually dictates a cladding material which can also provide a structural diaphragm system for wind-bracing. Canada Plan Service (CPS) building designs have for many years shown structural diaphragms. These are preferred over wall-to-roof knee bracing which often interferes with mechanized operations in the barn. Unfortunately, installation of engineered ceiling and wall diaphragms is seldom properly completed in practice. Turnbull (1964) emphasized the importance of connecting all four edges of each ceiling panel to adjacent panels in order to achieve the most effective transmission of diaphragm-ceiling shear forces to the building sidewalls and end-walls. When fastening a ceiling of panel products such as plywood to the underside of roof trusses, practical construction problems become apparent when the designer at tempts to provide backing for fastening all four edges of the ceiling panels to each other and to the trusses above.

Keywords: structural performance of plywood and steel ceiling diaphragms
Citation: Turnbull, J. E., McMartin, K. C. and A. T. Quaile 1982. STRUCTURAL PERFORMANCE OF PLYWOOD AND STEEL CEILING DIAPHRAGMS. Canadian Agricultural Engineering 24(2):135-140.
Volume: 24
Issue: 2
Pages 135 - 140
Date: 1982
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Coverage: Canada
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