Volume 26, Issue 2 (March 1998)

    Modeling Bolted Connections in Wood: A Three-Dimensional Finite-Element Approach

    (Received 26 December 1996; accepted 28 August 1997)

    CODEN: JTEOAD

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    Abstract

    A three-dimensional (3-D) finite-element model was developed and verified which is capable of predicting the failure mode and load-deformation (P - Δ) behavior of a single bolted connection in wood. The 3-D geometry of the model is complemented by a trilinear orthotropic constitutive model for wood and an elastic-perfectly plastic constitutive characterization of the pin (bolt). The model accounted for the nonlinear behavior found in bolted wood connections associated with wood crushing and geometric nonlinearities at the wood/metal interface. A special contact element was used at the wood/pin interface to enforce a criterion of no pin penetration (i.e., strain compatibility) through the wood member.

    Experimentally obtained P-Δ curves were compared against those obtained numerically. For all geometries studied, the model proved to capture the characteristics of the experimental analyses.


    Author Information:

    Patton-Mallory, M
    Assistant director, Rocky Mountain Forest and Range Experiment Station, USDA, Fort Collins, CO

    Smith, FW
    Professor of mechanical engineering, Colorado state University, Fort Collins, CO

    Pellicane, PJ
    Professor of mechanical engineering, Colorado state University, Fort Collins, CO


    Stock #: JTE11981J

    ISSN: 0090-3973

    DOI: 10.1520/JTE11981J

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    Author
    Title Modeling Bolted Connections in Wood: A Three-Dimensional Finite-Element Approach
    Symposium , 0000-00-00
    Committee D07