Performance of GFRP-Confined Rubberized Engineered Cementitious Composite Columns

Author(s)/Creator(s)

Mahmoud T. Nawar
Mohamed Selim
Mahmoud Zaglal
Ayman El-Zohairy

Publication Title

Journal of Composites Science

Document Type

Article

Abstract/Description

In coastal regions, the deterioration of structures and bridges due to environmental conditions and corrosion is a significant concern. To combat these issues, the use of corrosion-resistant materials like fiber-reinforced polymers (FRPs) materials, engineered cementitious composites (ECCs), and rubberized ECCs (RECC) shows promise as normal concrete (NC) alternatives by providing increased ductility and energy absorption properties. The effectiveness of confining concrete columns using GFRP tubes with ECC/RECC was assessed in this research by evaluating their performance through compression and push-out tests. The study explored key parameters such as GFRP tube thickness and the presence of shear connectors along the tube height, as well as examining various types of concrete. Additionally, a comprehensive parametric investigation utilizing finite element analysis (FEA) was conducted to analyze how different factors influence the behavior of confined concrete columns. These factors included the effect of GFRP tube thickness and diameter on the overall behavior of different types of confined concretes. The results demonstrate that GFRP tubes significantly enhance column capacity, while the presence of ECC/RECC exhibits even greater improvements in capacity, stiffness, and toughness compared to NC. This approach shows promise in reinforcing coastal infrastructure and addressing corrosion-related concerns effectively.

Department

Engineering and Technology

First Page

330

Last Page

345

DOI

10.3390/jcs8080330

Volume

8

ISSN

2504-477X

Date

8-20-2024

Citation Information

Nawar, Mahmoud T.; Selim, Mohamed; Zaglal, Mahmoud; and El-Zohairy, Ayman, "Performance of GFRP-Confined Rubberized Engineered Cementitious Composite Columns" (2024). Faculty Publications. 202.
https://digitalcommons.tamuc.edu/cose-faculty-publications/202