Creep Functions for Wood Composite Materials


  • Stephen J. Smulski


Creep, plywood, oriented strandboard, laminated timber, dry-process hardboard


Two related functions used to describe the creep of non-wood materials were fitted to data for wood composite materials. The first function, which is linear in its constants, was unsatisfactory for representing the creep of plywood, oriented strandboard, laminated timber, and dry-process hardboard under the given loading and environmental conditions. The second function is nonlinear in its constants. Creep of plywood and oriented strandboard were moderately well represented by this function, while creep of laminated timber and hardboard were exceptionally well represented. Experimental creep data and estimates of empirical constants are presented.


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