Abstract
This paper presents results of a study on the stability capacity and lateral bracing force of wood beam-columns subjected to biaxial eccentric compression loading. A numerical analysis model based on the column deflection curve method was developed. The model considers nonlinear parallel-to-wood-grain stress–strain relationship, size and stress distribution effects of wood strength, shear deformation, and the P-Delta effect of compression load. Material property tests and biaxial eccentric compression tests of wood beam-columns were conducted to provide input parameters and verification for the model. Good agreement was achieved. The adequacy of the 2% rule of thumb was also studied.
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