DBD APPROACH FOR INVESTIGATION OF DUCTILITY DEMAND DISTRIBUTION EFFECT IN BRACED STEEL FRAMES

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TEHRANIZADE M.; SAFI M.

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Journal Paper

Paper Information

Journal: AMIRKABIR Year:2004 | Volume:15 | Issue:57-C Page(s): 29-54

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Information Journal Paper

Title

DBD APPROACH FOR INVESTIGATION OF DUCTILITY DEMAND DISTRIBUTION EFFECT IN BRACED STEEL FRAMES

Author(s)

TEHRANIZADE M. | SAFI M. | Issue Writer Certificate

Keywords

DISPLACEMENT BASED DESIGN

YIELD MECHANISM

DUCTILITY DEMAND DISTRIBUTION

BRACED STEEL BUILDINGS

Abstract

A modified DISPLACEMENT BASED DESIGN (DBD) procedure has been proposed to account for 1 DUCTILITY DEMAND DISTRIBUTION through the height of the building. In this method the design force distribution among the height of the structure is obtained based on various ductility distributions derived from modal characteristics of the structure and mathematical formulations. The method has been applied to the steel braced frames with concentric and eccentric bracing systems in low medium and high-rise buildings. The plastic mechanism for each system has also been modeled and the efficiencies and deficiencies of each have been discussed through various numerical examples. The effect of yields mechanisms and ductility demand patterns for various building types on the equivalent SDOF parameters have been investigated compared to the time history analysis results to find the sensitive parameters. Using the capacity design criteria, which leads to a known plastic mechanism, a simple procedure has also been obtained as an alternative approach for Push Over Analysis with much less computer time and effort.

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APA: Copy

TEHRANIZADE, M., & SAFI, M.. (2004). DBD APPROACH FOR INVESTIGATION OF DUCTILITY DEMAND DISTRIBUTION EFFECT IN BRACED STEEL FRAMES. AMIRKABIR, 15(57-C), 29-54. SID. https://sid.ir/paper/530318/en

Vancouver: Copy

TEHRANIZADE M., SAFI M.. DBD APPROACH FOR INVESTIGATION OF DUCTILITY DEMAND DISTRIBUTION EFFECT IN BRACED STEEL FRAMES. AMIRKABIR[Internet]. 2004;15(57-C):29-54. Available from: https://sid.ir/paper/530318/en

IEEE: Copy

M. TEHRANIZADE, and M. SAFI, “DBD APPROACH FOR INVESTIGATION OF DUCTILITY DEMAND DISTRIBUTION EFFECT IN BRACED STEEL FRAMES,” AMIRKABIR, vol. 15, no. 57-C, pp. 29–54, 2004, [Online]. Available: https://sid.ir/paper/530318/en

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