Nonlinear dynamic analysis of reinforced concrete frames |
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| Authors: | Elena Vasseva |
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| Institution: | (1) Central Laboratory for Seismic Mechanics and Earthquake Engineering, Bulgarian Academy of Sciences, Acad., G. Bonchev str., Bl. 3, 1113, Sofia, Bulgaria |
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| Abstract: | This paper presents the theoretical and computational procedure for nonlinear dynamic analysis of reinforced concrete frames under seismic excitations. In the research, physical nonlinearity due to material behavior is introduced for reinforced concrete material and the connection between the material and geometrical nonlinearity is described. An integration procedure for dynamic analysis, based on a step-by-step method with optional iteration, is presented. Results for a series of example analyses are presented to demonstrate the capabilities of the computer program. |
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| Keywords: | Reinforced concrete frame physical nonlinearity geometrical nonlinearity dynamic analysis hysteresis model input energy hysteretical energy |
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