A critical review of prestressed concrete structures with external FRP tendons

Y Wu, B Chen, SMR Lopes, AV Lopes, T Lou - Structures, 2025 - Elsevier
External prestressing, combined with the utilization of high-performance fiber reinforced
polymer (FRP) composites, offers a promising approach for improving the overall …

Shear strength of reinforced concrete deep beams with large openings strengthened by external prestressed strands

MR Khalaf, AHA Al-Ahmed - Structures, 2020 - Elsevier
This study is performed to examine the effectiveness of using externally prestressed strands
for shear strengthening of reinforced concrete (RC) deep beams with large openings. A total …

Effect of external tendon profile on improving structural performance of RC beams

GA Mohamed, AS Eisa, P Purcz, R Ručinský… - Buildings, 2022 - mdpi.com
The objective of the research is to improve the structural behavior of reinforced concrete
(RC) T–beams by applying various techniques of external pre-stressing tendons, thus …

Theoretical study on the flexural behavior of structural elements strengthened with external pre-stressing methods

GA Mohamed, AS Eisa, P Purcz, MH El-Feky - Applied Sciences, 2021 - mdpi.com
This study aims to strengthen the flexural behavior of structural elements with external pre-
stressing tendons, thereby improving their load-carrying capacity and increasing their …

Experimental and analytical investigation of T-beams retrofitted through the external post-tensioning using steel and various FRP strands

AH Omar, MF Gullu, GH Ahmed - Structures, 2024 - Elsevier
This study aimed to scrutinize the potential benefits of using fiber-reinforced polymer (FRP)
materials as unbonded strands in post-tensioning systems for reinforced concrete (RC) …

Decision Analysis of a Reinforcement Scheme for In-Service Prestressed Concrete Box Girder Bridges Based on AHP and Evaluation of the Reinforcement Effect

H Liu, J Li, J Zhang, D Pang - Buildings, 2022 - mdpi.com
Prestressed concrete girder bridges are widely used worldwide due to their mature
construction technology, economical cost, and low maintenance. After a certain number of …

[HTML][HTML] PERFORMANCE OF RC FRAMES STRENGTHENING BY EXTERNAL POST-TENSIONING TENDONS UNDER VERTICAL AND LATERAL LOADS

MH El-Feky, AA Elsisi, GA Mohamed, AS Eisa… - Case Studies in …, 2024 - Elsevier
In this study, the structural performance of reinforced concrete frames strengthened with
external post-tension tendons was investigated. An experimental study was performed to …

Vibration damping of lifting mechanisms

A Boiko, E Naidenko, Y Wang - Grabchenko's International Conference on …, 2022 - Springer
The article considers the need to implement dynamic modes-acceleration and deceleration
by lifting mechanisms, with given restrictions on speed, acceleration, and its derivative. The …

Experimental Study on Effects of Additional Prestressing Using Fiber Reinforced Polymers and Strands on Deterioration of PSC Bridge Structure

TK Kim, WT Jung, JS Park, HB Park - Polymers, 2022 - mdpi.com
Concrete bridge structures require reinforcement, as their performance deteriorates over
time. In this regard, this study evaluated the effect of additional prestressing using fiber …

[HTML][HTML] Modeling and calculation of shear capacity of prestressed high strength concrete beams with web reinforcement based on BIM

G Liu, G Liu, W Jiang - Ain Shams Engineering Journal, 2024 - Elsevier
To improve the accuracy of predicting the shear bearing capacity of prestressed high-
strength concrete beams with web reinforcement, shorten the prediction time, and improve …