INVESTIGATING DETERIORATION EFFECT OF HYSTERESIS LOOPS IN NONLINEAR STATIC ANALYSIS OF INTERMEDIATE RC MOMENT FRAME

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GHODRATI AMIRI G.; MOHEBI B.; HAMIDI JAMNANI H.

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Journal: AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR) Year:2009 | Volume:41 | Issue:1 Page(s): 45-53

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Title

INVESTIGATING DETERIORATION EFFECT OF HYSTERESIS LOOPS IN NONLINEAR STATIC ANALYSIS OF INTERMEDIATE RC MOMENT FRAME

Author(s)

GHODRATI AMIRI G. | MOHEBI B. | HAMIDI JAMNANI H. | Issue Writer Certificate

Keywords

NONLINEAR STATIC ANALYSISQ2

HYSTERESIS LOOPSQ3

. NONLINEAR DYNAMIC ANALYSISQ2

STIFFNESS DEGRADATIONQ3

STRENGTH DETERIORATIONQ3

Abstract

This research investigates the effect of STIFFNESS DEGRADATION, STRENGTH DETERIORATION and pinching behavior of HYSTERESIS LOOPS in static nonlinear analysis. One of the inefficiencies of static nonlinear analysis is that nonlinear behavior of structural elements due to cyclic deformations is approximately considered in the analysis, and only one quarter of a full hysteretic loop is considered. For investigating the effect of this inefficiency in analysis results, three intermediate concrete moment frames from regular RC structures are selected. The performed procedures in FEMA-356 and proposed-plastic hinges in this guideline are utilized for performing static nonlinear analysis. A coefficient for consideration of STIFFNESS DEGRADATION and STRENGTH DETERIORATION is proposed by FEMA-356 in NONLINEAR STATIC ANALYSIS. This coefficient for intermediate RC moment frames is equal to unity. For calculation of this coefficient, in this paper, th. NONLINEAR DYNAMIC ANALYSIS is used; Clough and Takeda Hysteretic loop and a Hysteretic loop that. Considers effects of severe STIFFNESS DEGRADATION, STRENGTH DETERIORATION and pinchings are assumed i. NONLINEAR DYNAMIC ANALYSIS.Comparing final results lead to conclusion that revealed the value of this coefficient is obtained 25% more than the VALUE PROPOSED BY fema-356.

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APA: Copy

GHODRATI AMIRI, G., MOHEBI, B., & HAMIDI JAMNANI, H.. (2009). INVESTIGATING DETERIORATION EFFECT OF HYSTERESIS LOOPS IN NONLINEAR STATIC ANALYSIS OF INTERMEDIATE RC MOMENT FRAME. AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR), 41(1), 45-53. SID. https://sid.ir/paper/165646/en

Vancouver: Copy

GHODRATI AMIRI G., MOHEBI B., HAMIDI JAMNANI H.. INVESTIGATING DETERIORATION EFFECT OF HYSTERESIS LOOPS IN NONLINEAR STATIC ANALYSIS OF INTERMEDIATE RC MOMENT FRAME. AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR)[Internet]. 2009;41(1):45-53. Available from: https://sid.ir/paper/165646/en

IEEE: Copy

G. GHODRATI AMIRI, B. MOHEBI, and H. HAMIDI JAMNANI, “INVESTIGATING DETERIORATION EFFECT OF HYSTERESIS LOOPS IN NONLINEAR STATIC ANALYSIS OF INTERMEDIATE RC MOMENT FRAME,” AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR), vol. 41, no. 1, pp. 45–53, 2009, [Online]. Available: https://sid.ir/paper/165646/en

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