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Structural performance of FRP composite bars reinforced rubberized concrete compressive members: Tests and numerical modeling
Structural performance of FRP composite bars reinforced rubberized concrete compressive members: Tests and numerical modeling
Ali Raza
(Department of Civil Engineering, University of Engineering and Technology Taxila, 47050, Pakistan; Corresponding author.)
Khaled Mohamed Elhadi
(Department of Civil Engineering, College of Engineering, King Khalid University, PO Box 394, Abha, 61411, Saudi Arabia)
Muhammad Abid
(College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin, 150001, China)
Ahmed Farouk Deifalla
(Structural Engineering Department, Faculty of Engineering and Technology, Future University in Egypt, New Cairo, 11845, Egypt)
Muhammad Sohail Jameel
(Department of Transportation Engineering and Management, University of Engineering and Technology Lahore, 54890, Pakistan)
Yasser Alashker
(Department of Civil Engineering, College of Engineering, King Khalid University, PO Box 394, Abha, 61411, Saudi Arabia)
Journal: Heliyon
•
• Elsevier
• ISSN: 2405-8440
Abstract
Waste tyre rubber has become an environmental and health concern that needs to be sustainably managed to avoid fire hazards and save natural resources. This research work aims to study the structural behavior of glass fiber reinforced polymer (glass-FRP) reinforced rubberized concrete (GRC) compressive elements under monotonic axial compression loads. Nine GRC circular compressive elements with different axial and crosswise reinforcement ratios were fabricated. All the elements were 300 mm in diameter and 1200 mm in height. A 3D nonlinear finite element equation (FEM) was suggested for the GRC compressive elements using a commercial package ABAQUS. A parametric study has been done to examine the effect of various parameters of GRC elements. The test outcomes revealed that the ductility of GRC elements ameliorated with the lessening in the spaces of glass-FRP ties. The addition of rubberized concrete improved the ductility of GRC elements. The damage to GRC elements occurred due to the vertical cracking along the height of the elements. The estimates of FEM were in close agreement with the test outcomes. The suggested empirical equation depending on the 600 test elements, which considered the lateral confinement effect of FRP ties, presented higher accuracy than previous equations.