Importance

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Abstract

A pin-fuse frame used in a frame assembly that may be subject to extreme seismic loading. The pin-fuse frame includes of columns, beams, plate assemblies that extend between columns and beams, and may included a diagonal brace. The plate assemblies are fixed to the columns and attached to the beams and brace via pin joints. A joint includes a pin connection through outer connection plates connected to a column and inner connection plates connected to a beam. Connecting rods positioned about the pin maintain a coefficient of friction until exposed to extreme seismic activity, at which time the joint accommodates a slippage of at least one of the inner and outer connection plates relative to each other rotationally about the pin. The diagonal brace is separated into two segments connected together with connection plates. These connection plates accommodate a slippage of the segments relative to each other.

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First Claim