Synthesis of repair materials and methods for reinforced concrete and prestressed bridge girders

A Ghaffary, MA Moustafa - Materials, 2020 - mdpi.com
Bridge structures nationwide across the United States are aging and in need of repair or, in
some cases, full replacement. Repair decisions are common among bridge owners because …

Finite element modeling of debonding failures in FRP-strengthened RC beams: A dynamic approach

GM Chen, JG Teng, JF Chen, QG Xiao - Computers & Structures, 2015 - Elsevier
This paper is concerned with the finite element simulation of debonding failures in FRP-
strengthened concrete beams. A key challenge for such simulations is that common solution …

Repair of pre-cracked reinforced concrete (RC) Beams with openings strengthened using FRP sheets under sustained load

BH Osman, E Wu, B Ji, SS Abdulhameed - International Journal of …, 2017 - Springer
Strengthening reinforced concrete (RC) beams with openings by using aramid fiber
reinforcement polymers (AFRP) on the beams' surfaces offers a useful solution for upgrading …

Effect of transverse and longitudinal reinforcement ratios on the behaviour of RC T-beams shear-strengthened with embedded FRP BARS

K Sogut, S Dirar, M Theofanous, A Faramarzi… - Composite …, 2021 - Elsevier
Seven reinforced concrete (RC) T-beams, comprising two unstrengthened (control) beams
and five beams strengthened in shear with embedded FRP bars, were tested to failure. The …

Shear strengthening of existing reinforced concrete beams with embedded bars–an overview

M Caro, S Dirar, A Quinn, H Yapa - Proceedings of the …, 2021 - icevirtuallibrary.com
This paper presents an overview of the deep embedment (DE) method–also referred to as
the embedded through-section method–a promising technique for concrete shear …

Finite element parametric study of reinforced concrete beams shear-strengthened with embedded FRP bars

M Qapo, S Dirar, Y Jemaa - Composite Structures, 2016 - Elsevier
The deep embedment (DE) of fibre-reinforced polymer (FRP) bars is a promising shear-
strengthening scheme for existing concrete structures. In the current study, a three …

Efficient shear retrofitting of reinforced concrete beams using prestressed deep embedded bars

M Bhanugoban, HD Yapa, S Dirar - Engineering Structures, 2021 - Elsevier
Abstract The Deep Embedment (DE) technique is a promising reinforced concrete (RC)
shear strengthening scheme. When compared with the other retrofitting systems, the DE …

Shear strengthening of continuous RC T-beams with deep embedded CFRP and steel bars: A numerical study

B Dutta, AN Nayak, S Dirar, B Nanda, M Theofanous - Structures, 2023 - Elsevier
This paper presents a non-linear finite element parametric study of continuous RC T-beams
shear retrofitted with deep embedded (DE) carbon fibre reinforced polymer (CFRP) bars and …

FE modelling and simulation of the size effect of RC T-beams strengthened in shear with externally bonded FRP fabrics

A Abbasi, ZEA Benzeguir, O Chaallal… - Journal of Composites …, 2022 - mdpi.com
The objective of this study is to conduct a finite-element (FE) numerical study to assess the
effect of size on the shear resistance of reinforced concrete (RC) beams strengthened in …

Nonlinear finite element modelling and parametric study of CFRP shear-strengthened prestressed concrete girders

M Qapo, S Dirar, J Yang, MZEB Elshafie - Construction and Building …, 2015 - Elsevier
This paper presents a three-dimensional nonlinear finite element (FE) model for prestressed
concrete girders strengthened in shear with externally bonded carbon fibre reinforced …