A comparative study on retrofitting concrete column by FRP-Wrapping and RC-Jacketing methods: A feasibility study for Afghanistan

Yasin Mumtaz; Ahmadullah Nasiri; Shimozato Tetsuhiro

doi:10.17485/IJST/v14i7.141

Article

A comparative study on retrofitting concrete column by FRP-Wrapping and RC-Jacketing methods: A feasibility study for Afghanistan

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Indian Journal of Science and Technology

DOI: 10.17485/IJST/v14i7.141

Year: 2021, Volume: 14, Issue: 7, Pages: 652-664

Original Article

A comparative study on retrofitting concrete column by FRP-Wrapping and RC-Jacketing methods: A feasibility study for Afghanistan

Yasin Mumtaz^1*, Ahmadullah Nasiri¹, Shimozato Tetsuhiro²

¹Department of Civil Engineering and Architecture, Graduate School of Engineering and
Science, University of the Ryukyus, 903-0129, Okinawa, Japan. Tel.: +81-8081269017
²Professor, Department of Civil Engineering and Architecture, Graduate School of
Engineering and Science, University of the Ryukyus, 903-0129, Okinawa, Japan

*Corresponding Author
Tel: +81-8081269017
Email: [email protected]
[email protected]

Received Date:23 January 2021, Accepted Date:24 February 2021, Published Date:04 March 2021

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Background/Objectives: FRP (Fiber Reinforced Polymer) has a wide range of application areas within the construction industry and is used in various forms and shapes, primarily for maintenance purposes. Using FRP has numerous advantages and disadvantages driven by several factors, including the country where it is used. The present paper focuses on the feasibility of using FRP in Afghanistan, considering load carrying capacity, cost, time efficiency, and environmental concerns as the main parameters. Method: In this numerical study, RC-jacketing and FRP-wrapping methods were evaluated for strengthening/repairing RC columns, and a comparison of the two methods was carried out to understand which approach better meets the maintenance needs in Afghanistan. Findings: As a result, the RC-jacketing method was more efficient in terms of cost and strength, while the FRPwrapping method proved its efficiency in terms of time and lower emission of CO2. Moreover, the RC-jacketing method was found to be more suitable and aligned with the country’s current architecture. Overall, as the cost is the leading parameter in a developing country like Afghanistan, RC-jacketing was more suitable for conducting the maintenance work. Additionally, the authors also recommended using the FRP-wrapping method in some particular circumstances where the RC-jacketing method was believed to be less efficient.

Keywords: RC-Jacketing; FRP-Wrapping; retrofitting; reinforced concrete columns; strength; cost-effectiveness

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Copyright

© 2021 Mumtaz et al..This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Published By Indian Society for Education and Environment (iSee)