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Mostafa, A., Abo El Wafa, W., Abd El Kareem, K. (2019). EFFICIENCY OF DIFFERENT STRENGTHENING TECHNIQUES ON SEISMIC PERFORMANCE OF R.C. FRAMES. JES. Journal of Engineering Sciences, 47(No 1), 1-15. doi: 10.21608/jesaun.2019.109800
Ahmed Adel Mostafa; Waleed Abo El Wafa; Khairy Hassan Abd El Kareem. "EFFICIENCY OF DIFFERENT STRENGTHENING TECHNIQUES ON SEISMIC PERFORMANCE OF R.C. FRAMES". JES. Journal of Engineering Sciences, 47, No 1, 2019, 1-15. doi: 10.21608/jesaun.2019.109800
Mostafa, A., Abo El Wafa, W., Abd El Kareem, K. (2019). 'EFFICIENCY OF DIFFERENT STRENGTHENING TECHNIQUES ON SEISMIC PERFORMANCE OF R.C. FRAMES', JES. Journal of Engineering Sciences, 47(No 1), pp. 1-15. doi: 10.21608/jesaun.2019.109800
Mostafa, A., Abo El Wafa, W., Abd El Kareem, K. EFFICIENCY OF DIFFERENT STRENGTHENING TECHNIQUES ON SEISMIC PERFORMANCE OF R.C. FRAMES. JES. Journal of Engineering Sciences, 2019; 47(No 1): 1-15. doi: 10.21608/jesaun.2019.109800

EFFICIENCY OF DIFFERENT STRENGTHENING TECHNIQUES ON SEISMIC PERFORMANCE OF R.C. FRAMES

Article 1, Volume 47, No 1, January and February 2019, Page 1-15  XML PDF (921.47 K)
Document Type: Research Paper
DOI: 10.21608/jesaun.2019.109800
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Authors
Ahmed Adel Mostafa* ; Waleed Abo El Wafa; Khairy Hassan Abd El Kareem
Civil Engineering Department, Faculty of Engineering, Assuit University
Abstract
This paper presents a theoretical finite element study on effect of different strengthening techniques on structural behavior of the reinforced concrete frames subjected to earthquake motion. In the study, diagonal cross bracing, masonry infill wall, externally CFRP laminates, and reinforced concrete jacketing for columns are considered as different strengthening techniques of one story reinforced concrete bare frame. Time history analysis for the frame subjected to EL-Centro (1940 N-S) earthquake ground motion is carried out using ETABS software. The obtained results from the time history analysis including axial and shear stresses, lateral displacement, acceleration and base shear with time are illustrated and discussed with/ or without the strengthening techniques. The study illustrates the influence and enhancement of each technique on the performance of one story bare frame subjected to EL-Centro earthquake motion.
Keywords
Seismic behavior; RC one story frame; Nonlinear finite element; Time history analysis; Strengthening techniques; Diagonal cross bracing; Infill wall brick; CFRP laminates; RC jacketing; Acceleration; Lateral displacement; Strength and stiffness; Story Drift
Main Subjects
Civil Engineering: structural, Geotechnical, reinforced concrete and steel structures, Surveying, Road and traffic engineering, water resources, Irrigation structures, Environmental and sanitary engineering, Hydraulic, Railway, construction Management.
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