Research Article
Jan 1980
Tests on Nailed and Glued Layered Timber Cylindrical Shells
Authors: G. Bryan Walford and Peter J. MossAuthor Affiliations
Publication: Journal of the Structural Division
Volume 106, Issue 1
Abstract
One shell was of nailed construction while the other was glued or nail-glued with the gluing pressure being provided by permanently nailing the layers together. The shell membrane was constructed of three layers of model boards or strips giving a total thickness of ½ in. (12.5 mm) with the outer boards running transversely and boards in the central layer running longitudinally. The shells were tested under a radial load applied by means of an airbag. The nailed shell failed at a load of 75 psf (3.6 kN/m2) whereas the nail-glued (glued) shell sustained a load of 160 psf (7.5 kN/m2) before the membrane separated from the edge beam and diaphragm at one corner. The deflections of both shells under load cycling were about twice those predicted by an analysis based on the Schorer approximation, while no analysis was made for the nailed shell under initial load. This error in the calculated deflections was most likely due to the shear deformations in the shell membrane which were ignored in the analysis.
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Published In
Journal of the Structural Division
Volume 106 • Issue 1 • January 1980
Pages: 247 - 263
Copyright
© 1980 American Society of Civil Engineers.
History
Published in print: Jan 1980
Published online: Feb 1, 2021
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Authors
Affiliations
G. Bryan Walford
Timber Engrg. Scientist, Forest Research Inst., Rotura, New Zealand
Peter J. Moss
Sr. Lect., Dept. of Civ. Engrg., Univ. of Canterbury, Christchurch, New Zealand
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.