Column Strength of Parallel Laminated Veneer and Plywood

Parallel laminated wood veneers (PLV) are now being glued into structural boards, plants, and studs. Compressive and buckling strength tests have shown that plywood is about half as strong, in each major direction, but that PLV is approximately equal in strength, to clear, straight-grained, solid wood. Because of its uniformity and dependability, only a small factor of safety may be required, and it can be graded as clear lumber, with a high safe design strength. Tables and graphs are used to show and suggest design values in compression and buckling for studs or columns over the full range of slenderness ratios.

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