Code Comparisons of Factor Design for Wood

by James R. Goodman, (M.ASCE), Prof. of Civ. Engrg.; Colorado State Univ., Fort Collins, Colo. 80523,
Jozsef Bodig, Prof. of Wood Sci. and Civ. Engrg.; Colorado State Univ., Fort Collins, Colo. 80523,
Zsolt Kovacs, Asst. Prof.; Univ. of Forestry and Timber Industry, Sopron, Hungary,

Serial Information: Journal of the Structural Division, 1981, Vol. 107, Issue 8, Pg. 1511-1527

Document Type: Journal Paper


The formulation of an alternate methodology for the design of wood structural members is described. Load and resistance factors are developed to convert existing code requirements into a limits states design format. Comparisons of the resulting factors are obtained by examining existing codes from several European countries as well as the National Design Specification of the United States. Current factors vary significantly. Use of the load and resistance format for design of wood structures is propose, based on further studies using probability-based criteria.

Subject Headings: Load and resistance factor design | Wood structures | Standards and codes | Comparative studies | Wood | Limit states | Probability | United States

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