Shake Table Collapse Tests of Two Scale Models of a 4-Story Moment Resisting Steel Frame

Abstract eng:
In support of collapse assessment of structural systems under earthquake excitations, two earthquake-simulator collapse test series of two scale models of a two-bay steel frame with reduced beam section connections were conducted at the NEES facility at the University at Buffalo. Based on the comprehensive data set acquired from these shaking table collapse test series we are able to quantify important engineering demand parameters such as story forces and shears, story drifts, plastic rotations, floor accelerations and velocities, in the inelastic range up to incipient collapse. Based on analytical simulations with the use of relatively simple models it is demonstrated that sidesway collapse of frame structures, including the effects of P-Delta and component deterioration, can be predicted with good accuracy provided that component deterioration is accurately represented.

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