Full-Scale Seismic Performance Test of a Two-Story Modular Frame

Abstract eng:
In this paper the cyclic behavior of the modular steel-braced frame is studied by full-scale experiment and the finite-element analysis computer program of SAP2000. Seismic performance of the modular system was a main concern in this paper. Evaluation of the lateral stiffness, strength, deformation and failure modes for long direction of modular system was conducted. The analysis model is based on the bending ultimate strength of each section. Same cyclic load history was applied at the computed modeling until it failed and conducted again with conversion to the hinge for the failed points. For the evaluation of the seismic performance, we set lateral strength standard as the point at 0.01 radian after entering plastic zone. As the evaluation standard, lateral strength of the modular system at Drift 1.55% level was the criteria and the lateral strength at that point was 487.1 kN. And the validity of the analysis model with SAP2000 was verified by comparing with the experimental results.

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