Effect of Repeated Loading on Tensile Properties of Wood

Creep response of wood under repeated loading in tension parallel to the grain is primarily controlled by initial strain. The creep-initial strain relationship for all nine species studied is defined by an exponential function. Although the range of initial strain for individual species differed, repetitive stressing for 100 cycles had no appreciable effect on MOE or strength. Ultimate tensile strain may increase after repetitive stressing due to creep that occurred during cycling

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