Structure

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    Will it stand?

    Load test

    ContactPress (lb)Shear (lb)μ needed

    Planar statics of the side view; each pair of parallel boards is one body. Contacts on crossbars are short patches, bank contacts are board corners. The weave is statically indeterminate, so this is the least-friction way the boards can carry the load. Force arrows show what each upper board presses onto the board below it. Rows marked ×2 give the force on each board of a parallel pair.

    Why it stands