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Title

SEISMIC EVALUATION OF REGULAR MR STEEL FRAMES DESIGNED BY DIRECT DISPLACEMENT BASED METHOD

Pages

 Start Page 47 | End Page 62

Abstract

 During decades, engineers have tried to build safer and more economic structures. Since establishing primary structural design codes, it has been presumed that “strength” of a structure is synonymous to its “performance”. However, during many years by studying various structural damages occurring during strong ground motion earthquakes, it is obvious today that increasing strength of a building may not result in safer or stronger structure with better performance [1]. Park and Paulay [2] stated that the distribution of strength through a building is more important than the design base shear itself. As they stated, in order to achieve a better structural performance, two important issues should be devised. First, structures should be designed such that plastic hinge formation during nonlinear behavior of the building would occur in all beams before columns. In other words, weak beam/strong column mechanism should be assured. Second, high shear capacity of elements should be supplied to ensure the prevention of brittle failure of main structural elements.

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