NONLINEAR DYNAMIC BEHAVIOR OF ECCENTRIC BRACED STEEL FRAMES UNDER THE NEAR-FAULT EARTHQUAKES

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DANESHJOU FARHAD; BADARLOU B.A.

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Journal: STRUCTURE AND STEEL Year:2008 | Volume:4 | Issue:2 Page(s): 45-58

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Information Journal Paper

Title

NONLINEAR DYNAMIC BEHAVIOR OF ECCENTRIC BRACED STEEL FRAMES UNDER THE NEAR-FAULT EARTHQUAKES

Author(s)

DANESHJOU FARHAD | BADARLOU B.A. | Issue Writer Certificate

Keywords

ECCENTRICALLY BRACED FRAMESQ3

NEAR-FAULT EARTHQUAKEQ2

RELATIVE DISPLACEMENTQ2

DUCTILITY-DEMANDQ3

RAM PER-FORM- 3DSQ3

Abstract

In this research are investigated the behavior of EBF frames subject to far-fault and NEAR-FAULT EARTHQUAKEs. For this purpose two dimensional models of EBF frames with 3,6 and 12 stories and considering 3 different eccentricity/length ratio of (0.5,0.7,0.9) for each frame are modeled. Nonlinear dynamic behavior of EBF frames are investigated Under 4 pairs of far and near-fault records. RELATIVE DISPLACEMENT, story displacement, coefficient Rm, base shear and DUCTILITY-DEMAND are calculated and compared for near and far fault earthquakes. The research findings are: DUCTILITY-DEMANDs and displacement-demands are larger for near-fault than those of far-fault. Recommended magnification factor for base shear in the 3, 6, and 12 story frames are 1.65, 1.64 and 1.89 respectively. Magnification factor of base shear is increased with an increase in structure's period. Hysteresis graphs show that more energy is applied in the NEAR-FAULT EARTHQUAKE with respect to far-fault earthquake.

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APA: Copy

DANESHJOU, FARHAD, & BADARLOU, B.A.. (2008). NONLINEAR DYNAMIC BEHAVIOR OF ECCENTRIC BRACED STEEL FRAMES UNDER THE NEAR-FAULT EARTHQUAKES. STRUCTURE AND STEEL, 4(2), 45-58. SID. https://sid.ir/paper/136583/en

Vancouver: Copy

DANESHJOU FARHAD, BADARLOU B.A.. NONLINEAR DYNAMIC BEHAVIOR OF ECCENTRIC BRACED STEEL FRAMES UNDER THE NEAR-FAULT EARTHQUAKES. STRUCTURE AND STEEL[Internet]. 2008;4(2):45-58. Available from: https://sid.ir/paper/136583/en

IEEE: Copy

FARHAD DANESHJOU, and B.A. BADARLOU, “NONLINEAR DYNAMIC BEHAVIOR OF ECCENTRIC BRACED STEEL FRAMES UNDER THE NEAR-FAULT EARTHQUAKES,” STRUCTURE AND STEEL, vol. 4, no. 2, pp. 45–58, 2008, [Online]. Available: https://sid.ir/paper/136583/en

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