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Lumber design values

Name: Lumber design values

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The modulus of elasticity (E) is a ratio of the amount a material will deflect in proportion to an applied load. Dimension Lumber design values are published as BASE VALUES. BASE VALUES are constants that are applied to each grade in a particular species grouping. PDF downloads of Southern Pine design value tables are available. Table 1 provides the design values for visually graded Southern Pine dimension lumber that. Design values for Canadian species used in wood construction in the USA.

These size adjusted values are intended for use by qualified designers and can be. Framing Lumber. Table 4. BEAMS & STRINGERS DESIGN VALUES1. 5″ and thicker, width more than 2″ greater than thickness2. Grades described in. No matter the species, component manufacturers (CMs) purchase and rely on the accuracy and reliability of many different lumber design properties, including.

Lumber design values are regularly reviewed to reflect the latest available information on the physical properties of wood. The recommended allowable unit . The following is provided to assist architects, engineers, and builders in specifying and designing with Northeastern lumber products. While the information was. The design values listed in these rules are for lumber of species manufactured and shipped by mills in the nine northeastern states.

Except as otherwise noted. The American Lumber Standard Committee (ALSC) Board of Review has approved changes to design values for all grades and all sizes of visually-graded . *Reference Design Values Notes.

1. Lumber Dimensions. Tabulated design values are applicable to lumber that will be used under dry conditions such.