Experimental Evaluation of Composite Action

by Rafik Y. Itani, (M.ASCE), Assoc. Prof.; Dept. of Civ. and Environmental Engrg., Washington State Univ., Pullman, Wash. 99164,
Robert J. Hoyle, (M.ASCE), Prof.; Wood Tech. Section, Washington State Univ., Pullman, Wash. 99164,
Hossain M. Morshed, Grad. Student; Dept. of Civ. and Environmental Engrg., Washington State Univ., Pullman, Wash. 99164,


Serial Information: Journal of the Structural Division, 1981, Vol. 107, Issue 3, Pg. 551-565


Document Type: Journal Paper

Discussion: Hussein R. (See full record)
Discussion: Hussein R. (See full record)
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Abstract: Experimental results for a layered lumber diaphragm are presented and compared with theoretical analysis. The influences of joists, boundary members, and layer discontinuities on deflections and strains are evaluated. The theoretical analysis overestimates deflections and strains. Layer discontinuities and boundary members have insignificant effects while gluing joists to decking results in an 18% reduction in deflection. Further tests are recommended to reach more conclusive results.

Subject Headings: Displacement (mechanics) | Joists | Boundary layers | Discontinuities | Strain | Layered systems | Wood | Diaphragms (structural)

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