Numerical investigation of reinforced-concrete beam-column joints retrofitted using external superelastic shape memory alloy bars
| Autor: | Yamen Ibrahim Elbahy, Maged A. Youssef, Civil, Mohamed E. Meshaly |
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| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
beam-column joints
Materials science business.industry retrofit flexural behaviour shape memory alloys abaqus Structural engineering Shape-memory alloy SMA Reinforced concrete reinforced concrete Finite element method nonlinear behaviour Software finite element TA401-492 Retrofitting Reinforcement business Materials of engineering and construction. Mechanics of materials Parametric statistics |
| Zdroj: | AIMS Materials Science, Vol 8, Iss 5, Pp 716-738 (2021) |
| ISSN: | 2372-0484 |
| DOI: | 10.3934/matersci.2021043?viewType=HTML |
| Popis: | The unique properties of Shape Memory Alloys (SMAs) have motivated researchers to use them as primary reinforcement in reinforced concrete (RC) structures. In this study, the applicability of using external unbonded SMA bars to retrofit RC beam-column joints (BCJs) is investigated. A three-dimensional finite element model, which simulates the suggested retrofitting technique, is first developed, and validated using ABAQUS software. The model is then further simplified and utilized to conduct a parametric study to investigate the behaviour of SMA retrofitted RC BCJs. Results of the parametric study are used to perform multiple linear regression analysis. Simple equations, which can be used to calculate the length and amount of SMA bars required to retrofit a RC BCJ, are then developed. |
| Databáze: | OpenAIRE |
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