Enhancing load capacity of reinforced concrete columns using high strength concrete and fiber reinforcement

Authors

  • Shaima Sabri Ali Ministry of Education, Iraq
  • Alaa Hassoon University of Al-Qadisiyah, Iraq
  • Hajer Satih Abbas University of Al-Qadisiyah, Iraq
  • Bassam Farman Albassam Al-Esraa University, Iraq

DOI:

https://doi.org/10.37868/sei.v6i2.id350

Abstract

Strengthening of structural elements is sometimes necessary for architectural purposes to withstand additional loads without cross-section enlargement. This study evaluates the structural performance of reinforced concrete columns toughened using high-strength concrete, steel fiber concrete of 1% volume fraction, and near-surface mounted NSM steel or carbon fiber reinforced polymer CFRP bars. Five columns of 0.15×0.15×1 m were cast and axially loaded till failure. The investigational consequences revealed that a load-carrying capacity and stiffness augmented by 55.1 and 91.1% when the compressive strength is 1.5 times the normal with a ductility decrease of 28.2% whereas steel fiber concrete raised them by 34.3, 6.4, and 11.6%. In addition, NSM steel or CFRP bars exhibited ultimate loads and stiffness 13.6 to 29.7% and 17.2 to 21.7% higher than the non-strengthened column. However, the ductility decreased by 2.5 to 12.4%.

Published

2024-09-18

How to Cite

[1]
S. S. Ali, A. Hassoon, H. S. Abbas, and B. F. Albassam, “Enhancing load capacity of reinforced concrete columns using high strength concrete and fiber reinforcement”, Sustainable Engineering and Innovation, vol. 6, no. 2, pp. 177-184, Sep. 2024.

Issue

Vol. 6 No. 2 (2024)

Section

Articles

Copyright (c) 2024 Shaima Sabri Ali, Alaa Hassoon, Hajer Satih Abbas, Bassam Farman Albassam

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