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wood properties

Chapter 4 Mechanical Properties of Wood David W. Green, Jerrold E. Winandy, and David E. Kretschmann Contents he mechanical properties presented in this chapter were obtained from tests of small pieces of wood Orthotropic Nature of Wood 4–1 termed “clear” and “straight grained” because they Elastic Properties 4–2 did not contain characteristics such as knots, cross grain, Modulus of Elasticity 4–2 checks, and splits. These test pieces did have anatomical Poisson’s Ratio 4–2 characteristics such as growth rings that occurred in consis-