Seismic Demands on Steel Braced Frame Buildings with Buckling-Restrained Braces

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1 Seismic Demands on Steel Braced Frame Buildings with Buckling-Restrained Braces

Author: Rafael Sabelli, Stephen Mahin and Chunho Chang | Size: 440 KB | Format: PDF | Quality: Unspecified | pages: 20

This paper highlights research being conducted to identify ground motion and structural characteristics that control the response of concentrically braced frames, and to identify improved design procedures and code provisions. The focus of this paper is on the seismic response of three and six story concentrically braced frames utilizing buckling-restrained
braces. A brief discussion is provided regarding the mechanical properties of such braces and the benefit of their use. Results of detailed nonlinear dynamic analyses are then examined for specific cases as well as statistically for several suites of ground motions to characterize the effect on key response parameters of various structural configurations and proportions.

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