New Column Design Formula

Abstract

The old column formulas of the 1986 National Design Specification for Wood Construction are compared with the new 1991 column formulas. The new design method is considered to be more conservative; a change that is necessitated by recent column test data. It will also be better able to accommodate future changes in the wood resource base and the introduction of new wood products because it has an adjustable parameter that models degrees of homogeneity and straightness.

Citation

Zahn, John J. 1991. New Column Design Formula. Wood Design Focus, Summer 1991; pp. 10-12.