[HTML][HTML] Strengthening of reinforced concrete beams with insufficient lapped splice length of reinforcing bars

M Ghalla, M Badawi, G Elsamak, M Ahmed… - Engineering …, 2024 - Elsevier
The insufficient lapped splice length of reinforcing bars due to the design or construction
errors reduces both the flexural strength and ductility of Reinforced Concrete (RC) beams …

Flexural behavior of all lightweight reinforced concrete beams externally strengthened with CFRP sheets

W Nawaz, M Elchalakani, A Karrech, S Yehia… - … and Building Materials, 2022 - Elsevier
The usage of structural Lightweight concrete (LWC) has increased over the years and
received significant attention owing to its lower density, better economical design, and …

An innovative prestressing system of prestressed carbon fiber sheets for strengthening RC beams under flexure

HT Wang, Q Wu, CY Zhu, YH Mao, CC Guo - Construction and Building …, 2024 - Elsevier
An innovative prestressing system was developed in this study, which can effectively anchor
the prestressed carbon fiber sheets as well as conveniently apply prestress to the carbon …

[HTML][HTML] Cracking behavior of geopolymer concrete beams reinforced with steel and fiber reinforced polymer bars under flexural load

K Rashid, X Li, Y Xie, J Deng, F Zhang - Composites Part B: Engineering, 2020 - Elsevier
The cracking pattern and spacing in reinforced concrete (RC) structures considerably
influence structural performance. Cracking may be severe with the utilization of fiber …

Experimental study on the flexural behavior of large-scale reinforced concrete beams strengthened with prestressed CFRP plates

HT Wang, SS Liu, CY Zhu, H Xiong… - Journal of Composites for …, 2022 - ascelibrary.org
Carbon fiber–reinforced polymer (CFRP) systems have been widely used to strengthen
concrete structures. To further study the flexural strengthening of concrete beams with …

Cracking behavior of prestressed CFRP strengthened RC beams subjected to wetting/drying cycling under flexural load

X Li, J Deng, Z Liu, M Zhu, S Luo - Construction and Building Materials, 2023 - Elsevier
The cracking pattern and spacing are essential for the structural durability of RC structures
strengthened by prestressed CFRP plates. In this study, the effects of prestressing levels and …

Flexural behaviour of notched steel beams strengthened with a prestressed CFRP plate subjected to fatigue damage and wetting/drying cycles

J Li, M Zhu, J Deng - Engineering Structures, 2022 - Elsevier
Abstract Applying a prestressed Carbon Fibre Reinforced Polymer (CFRP) to strengthen
deficient steel structures is a favourable approach. However, fatigue loading and …

Pull‐off capacity of FRP–concrete composite bonded with epoxy/geopolymer at elevated temperature

K Rashid, M Fatima, M Daud, M Ju… - Structural Concrete, 2024 - Wiley Online Library
Externally bonded strengthening technique to the concrete has been widely used with epoxy
adhesive. However, the adhesive is considerably weak against high temperatures, which …

Development of a novel anchorage and tensioning system for strengthening steel beams with unbonded prestressed CFRP plates

HT Wang, ZN Bian, Q Wu, L Hu, MS Chen, C Tang - Engineering Structures, 2024 - Elsevier
Carbon fiber reinforced polymer (CFRP) plates have been widely used in the strengthening
and retrofitting of engineering structures due to their excellent mechanical properties …

Comparative study on prestress loss and flexural performance of rectangular and T beam strengthened by prestressing CFRP plate

J Deng, K Rashid, X Li, Y Xie, S Chen - Composite Structures, 2021 - Elsevier
Influence of real and small size (laboratory) specimens with different prestress levels on the
flexural performance of RC beam has not yet been compared to verify the reliability of …