JSME International Journal Series A Solid Mechanics and Material Engineering
Online ISSN : 1347-5363
Print ISSN : 1344-7912
ISSN-L : 1344-7912
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Measurement of Deformation of Wood Joints Using Electronic Speckle Pattern Interferometry
Eisaku UMEZAKITakao SUZUKIMasamitsu TAKAHASHI
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2004 Volume 47 Issue 3 Pages 274-279

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Abstract

This study deals with the measurement of the two-dimensional deformation of wood joints under compressive loads using an electronic speckle pattern interferometry (ESPI) technique. A mortise and tenon joint and a dovetail joint of western hemlock (Tsuga heterophylla) are used as specimens. Results reveal that a large two-dimensional deformation of the wood joints can be measured using the ESPI technique, the deformation values significantly vary with parts, and the accuracy of the fabricated wood joints has a significant effect on the two-dimensional deformation of the wood joints.

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© 2004 by The Japan Society of Mechanical Engineers
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