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Square flat plates

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    Cross section size

    A = L2

    Square flat plate supported at all four edges and a load distributed uniformly over the surface of the plate.

    Max. stress

    Deflection

    Square flat plate with all edges firmly fixed and a load distributed uniformly over the surface of the plate.

    Max. stress

    Deflection

    Square flat plate with all edges firmly fixed and a uniform load over small circular area at the center.

    Max. stress

    where:

    r0 = radius of area to which load is applied. If r0 < 1.7t, use rs where rs = Ö(1.6r02 + t2) - 0.675t.

    Deflection

    Square flat plate with all edges supported above and below, or below only, and a concentrated load at the center.

    Max. stress

    Deflection

    Strength check

    smax£ Sy / ks

    ks£ k