TY - JOUR ID - 170260 TI - Numerical Analysis of Retrofitted RC Column under Lateral Load JO - Computational Engineering and Physical Modeling JA - CEPM LA - en SN - AU - Islam, Tarikul AU - Yasar, Rafjany AU - Chowdhury, Sharmin Reza AD - Assistant Professor, Department of Civil Engineering, Ahsanullah University of Science and Technology, Dhaka-1208, Bangladesh AD - Structural Engineer, Environment and Infrastructure Management Solution (EIMS) Limited, Dhaka- 1215, Bangladesh AD - Professor, Department of Civil Engineering, Ahsanullah University of Science and Technology, Dhaka-1208, Bangladesh Y1 - 2022 PY - 2022 VL - 5 IS - 3 SP - 82 EP - 95 KW - axial capacity KW - Lateral capacity KW - Numerical analysis KW - RC jacketing KW - Column retrofitting DO - 10.22115/cepm.2023.374244.1226 N2 - One of the most common retrofitting processes for columns is reinforced concrete (RC) jacketing. This process enhances the ductility, stiffness, flexural capacity, and shear capacity of columns, and increases the axial load-carrying capacity of the RC column when subjected to an axial load. According to previous research, the most typical way to improve the lateral capacity of a column in composite action is column retrofitting with RC jacketing. The lateral strength of a single RC column and a single bay, single-story RC frame (retrofitted with concrete jacketing) is numerically analyzed in this work. To obtain a complete overview, an RC frame analysis is conducted even though a single column represents the column in the frame. Finally, parametric analysis is performed to assess the influence of reinforcement ratio, compressive strength of jacket concrete, and yield strength of reinforcement. The axial load carrying capacity and flexural capacity of retrofitted columns increase with the increase in RC jacket compressive strength, reinforcement percentage, and yield strength of the reinforcement. If the compressive strength of the jacket concrete stays constant, 1% reinforcement increment leads to a 10% to 20% increase in the axial capacity of the column. The parametric study reveals that retrofitted columns and frames exhibit a substantial increase in lateral capacity (10 to 12 times) compared to existing columns. UR - https://www.jcepm.com/article_170260.html L1 - https://www.jcepm.com/article_170260_6c351de6049ce276ce06b39021d22d48.pdf ER -