Frames and Trusses


Three Hinged Arch – 1m span

With parabolic arch hinged at the crown and abutments. The arch can be loaded at nine equi-spaced points. In addition a clockwise or anti-clockwise moment can be added to the right-hand abutment. The horizontal thrust and vertical reaction are measured by spring balances. The equi-spaced loading points may be substituted for a single loading device. This applies a non eccentric vertical load and a known horizontal load at any point on the arch.

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