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Steel and Composite Structures Volume 30, Number 3, February10 2019 , pages 271-280 DOI: https://doi.org/10.12989/scs.2019.30.3.271 |
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Computational and experimental analysis of beam to column joints reinforced with CFRP plates |
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Zhenyan Luo, Hamid Sinaei, Zainah Ibrahim, Mahdi Shariatit, Zamin Jumaat, Karzan Wakil, Binh Thai Pham, Edy Tonnizam Mohamad and Majid Khorami
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| Abstract | ||
| In this paper, numerical and experimental assessments have been conducted in order to investigate the capability of using CFRP for the seismic capacity improvement and relocation of plastic hinge in reinforced concrete connections. Two scaled down exterior reinforced concrete beam to column connections have been used. These two connections from a strengthened moment frame have been tested under uniformly distributed load before and after optimization. The results of experimental tests have been used to verify the accuracy of numerical modeling using computational ABAQUS software. Application of FRP plate on the web of the beam in connections to improve its capacity is of interest in this paper. Several parametric studies were carried out for CFRP reinforced samples, with different lengths and thicknesses in order to relocate the plastic hinge away from the face of the column. | ||
| Key Words | ||
| CFRP plate; plastic hinge relocation; finite element; rehabilitation; strengthening | ||
| Address | ||
| (1) Zhenyan Luo: School of Resources and Safety Engineering, Central South University, Changsha, 410083, China; (2) Hamid Sinaei, Zainah Ibrahim, Mahdi Shariati, Zamin Jumaat: Department of Civil Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia; (3) Mahdi Shariati: Faculty of Civil Engineering, University of Tabriz, Tabriz, Iran; (4) Karzan Wakil: Research Center, Sulaimani Polytechnic University, Sulaimani 46001, Kurdistan Region, Iraq; (5) Binh Thai Pham: Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam; (6) Edy Tonnizam Mohamad: of Tropical Geoengineering (GEOTROPIK), Faculty of Civil Engineering, Universiti Teknologi Malaysia, Johor Bahru, Malaysia; (7) Majid Khorami: Universidad UTE, Facultad de Arquitectura y Urbanismo, Calle Rumipamba s/n y Bourgeois, Quito, Ecuador. | ||