EVALUATION OF PERFORMANCE OF REINFORCED CONCRETE FRAME RETROFITTED USING CONCENTRIC STEEL BRACING

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GHODRATI AMIRI GH.R.; GHOLAM REZATABAR A.A.F.; RAZAVIAN AMRAEI S.A.

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Journal Paper

Paper Information

Journal: STRUCTURE AND STEEL Year:2008 | Volume:4 | Issue:4 Page(s): 17-25

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Title

EVALUATION OF PERFORMANCE OF REINFORCED CONCRETE FRAME RETROFITTED USING CONCENTRIC STEEL BRACING

Author(s)

GHODRATI AMIRI GH.R. | GHOLAM REZATABAR A.A.F. | RAZAVIAN AMRAEI S.A. | Issue Writer Certificate

Keywords

SEISMIC EVALUATIONQ3

RC FRAMEQ3

PERFORMANCE LEVELQ3

CONCENTRIC STEEL BRACESQ2

Abstract

One of seismic retrofitting approach of reinforced concrete (RC) frames is using structural steel brace elements. In current paper some existing moment resisting RC FRAMEs with intermediate ductility was designed to withstand seismic loads which were predicted by second edition of Standard No. 2800. In other to evaluate rehabilitated RC FRAMEs, models were loaded according to third edition of Standard No. 2800. Analyses of frames show stress ratio in most of columns were exceeded allowable value. Selected RC FRAMEs were rehabilitated using concentric inverted V-brace elements. Retrofitted frames were evaluated based on Seismic Rehabilitation Code for Existing Building in Iran. Also formation of plastic hinges and provided PERFORMANCE LEVELs were investigated. Displacement control plastic hinges and PERFORMANCE LEVELs of nonlinear modeling criteria were extracted from Seismic Rehabilitation Code. Results present formed plastic hinges with their PERFORMANCE LEVELs and discus about used seismic retrofitting approach efficiency for hazard level of 10% earthquake probability of acceptance in 50 years.

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APA: Copy

GHODRATI AMIRI, GH.R., GHOLAM REZATABAR, A.A.F., & RAZAVIAN AMRAEI, S.A.. (2008). EVALUATION OF PERFORMANCE OF REINFORCED CONCRETE FRAME RETROFITTED USING CONCENTRIC STEEL BRACING. STRUCTURE AND STEEL, 4(4), 17-25. SID. https://sid.ir/paper/136605/en

Vancouver: Copy

GHODRATI AMIRI GH.R., GHOLAM REZATABAR A.A.F., RAZAVIAN AMRAEI S.A.. EVALUATION OF PERFORMANCE OF REINFORCED CONCRETE FRAME RETROFITTED USING CONCENTRIC STEEL BRACING. STRUCTURE AND STEEL[Internet]. 2008;4(4):17-25. Available from: https://sid.ir/paper/136605/en

IEEE: Copy

GH.R. GHODRATI AMIRI, A.A.F. GHOLAM REZATABAR, and S.A. RAZAVIAN AMRAEI, “EVALUATION OF PERFORMANCE OF REINFORCED CONCRETE FRAME RETROFITTED USING CONCENTRIC STEEL BRACING,” STRUCTURE AND STEEL, vol. 4, no. 4, pp. 17–25, 2008, [Online]. Available: https://sid.ir/paper/136605/en

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