NONLINEAR DYNAMIC ANALYSIS OF RC SHEAR WALLS USING DAMAGE MECHANICS APPROACH CONSIDERING BOND-SLIP EFFECTS

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DAVOODI N.; MORADLOO J.

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Paper Information

Journal: JOURNAL OF COMPUTATIONAL METHODS IN ENGINEERING (ESTEGHLAL) Year:2015 | Volume:34 | Issue:1 Page(s): 27-44

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Title

NONLINEAR DYNAMIC ANALYSIS OF RC SHEAR WALLS USING DAMAGE MECHANICS APPROACH CONSIDERING BOND-SLIP EFFECTS

Author(s)

DAVOODI N. | MORADLOO J. | Issue Writer Certificate

Keywords

REINFORCED CONCRETE WALLQ2

DAMAGE MECHANICSQ2

SMEARED CRACKQ2

BOND-SLIPQ2

NONLINEAR DYNAMIC ANALYSISQ2

Abstract

In this research, NONLINEAR DYNAMIC ANALYSIS of concrete shear wall using a new nonlinear model based on DAMAGE MECHANICS approach and considering bond slip effects is presented. Nonlinear behavior of concrete is modeled by a rotational SMEARED CRACK model using DAMAGE MECHANICS approach. The proposed model considers major characteristics of the concrete subjected to two and three dimensional loading conditions. These characteristics are pre-softening behavior, softening initiation criteria and fracture energy conservation. The model was used in current research analysis after verification by some available numerical tests. Reinforcements are modeled by a bilinear relationship using two models: Discrete truss steel element and Smeared model. In Discrete model the effects of bond-slide between concrete and rebar is mentioned using the bond-link element model concept. Based on the presented algorithms and methodology, an FEM code is developed in FORTRAN. The validity of the proposed models and numerical algorithms has been checked using the available experimental results. Finally, numerical simulation of CAMUS I and CAMUS III reinforced concrete shear walls is carried out. Comparisons of deduced results confirm the validity of proposed models. The obtained results, both in the expected displacements and crack profiles for the walls, show a good accuracy with respect to the experimental results. Also, using discrete truss element model with respect to the smeared steel model leads to increasing the accuracy of maximum displacement response to 7% in analysis.

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APA: Copy

DAVOODI, N., & MORADLOO, J.. (2015). NONLINEAR DYNAMIC ANALYSIS OF RC SHEAR WALLS USING DAMAGE MECHANICS APPROACH CONSIDERING BOND-SLIP EFFECTS. JOURNAL OF COMPUTATIONAL METHODS IN ENGINEERING (ESTEGHLAL), 34(1), 27-44. SID. https://sid.ir/paper/173584/en

Vancouver: Copy

DAVOODI N., MORADLOO J.. NONLINEAR DYNAMIC ANALYSIS OF RC SHEAR WALLS USING DAMAGE MECHANICS APPROACH CONSIDERING BOND-SLIP EFFECTS. JOURNAL OF COMPUTATIONAL METHODS IN ENGINEERING (ESTEGHLAL)[Internet]. 2015;34(1):27-44. Available from: https://sid.ir/paper/173584/en

IEEE: Copy

N. DAVOODI, and J. MORADLOO, “NONLINEAR DYNAMIC ANALYSIS OF RC SHEAR WALLS USING DAMAGE MECHANICS APPROACH CONSIDERING BOND-SLIP EFFECTS,” JOURNAL OF COMPUTATIONAL METHODS IN ENGINEERING (ESTEGHLAL), vol. 34, no. 1, pp. 27–44, 2015, [Online]. Available: https://sid.ir/paper/173584/en

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