“Stress-O-Matic” Stress-Rating System

    Published: Jan 1964

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    The Western Pine Assn. Research Laboratory over the past four years has developed a long-sought mechanical stress rating system. The system was developed as an alternate means of stress rating of dimension lumber and provides: (1) More complete utilization of lumber’s inherent strength, (2) greater accuracy of stress rating lumber, (3) full length stress rating of the board, and (4) increased speed with greater reliability.

    Author Information:

    Bolger, R. J.
    associated, Western Pine Association, Portland, Ore

    Rasmussen, C. A.
    associated, Western Pine Association, Portland, Ore

    Paper ID: STP45113S

    Committee/Subcommittee: D07.01

    DOI: 10.1520/STP45113S

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