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11 Results Found

  • Article
  • Open Access
2 Citations
1,435 Views
18 Pages

Long-Term Dynamic Monitoring of Post-Tensioning External Tendons: Temperature Effect Evaluation

  • Luis Chillitupa-Palomino,
  • Carlos M. C. Renedo,
  • Jaime H. García-Palacios and
  • Iván M. Díaz

28 December 2024

Cables and tendons are crucial elements in bridge engineering but also are vulnerable structural elements because they are usually subjected to fatigue and corrosion problems. Thus, vibration-based non-destructive techniques have been used for extern...

  • Article
  • Open Access
4 Citations
2,901 Views
9 Pages

7 November 2023

Grout voids in the tendons of a post-tensioning bridge reduce their strength. Grout voids are also severe flaws causing corrosion of the steel strands in the tendons. Detecting voids during construction and operation of the tendons is essential to pr...

  • Article
  • Open Access
561 Views
12 Pages

9 October 2025

Grout voids in external tendons of post-tensioned bridges are a critical issue, as they may result in the corrosion of the steel strands and significantly reduce tendon strength. Therefore, preventing tendon failure necessitates thorough inspection f...

  • Article
  • Open Access
5 Citations
2,657 Views
20 Pages

Prestressed CFRP Plates and Tendon Strengthening of Steel–Concrete Composite Beams

  • Lamies Elgholmy,
  • Hani Salim,
  • Alaa Elsisi,
  • Abdallah Salama,
  • Hesham Shaaban and
  • Ahmed Elbelbisi

This study aims to enhance the ultimate capacity and stiffness of steel–concrete composite beams through external strengthening with prestressed carbon fiber-reinforced polymer (CFRP) plates and post-tensioned CFRP tendons. A 3D finite element...

  • Article
  • Open Access
14 Citations
5,791 Views
21 Pages

Damage Detection in External Tendons of Post-Tensioned Bridges

  • Dariya Tabiatnejad,
  • Bardia Tabiatnejad,
  • Seyed Saman Khedmatgozar Dolati and
  • Armin Mehrabi

This study investigates damage detection in the tendons of post-tensioned segmental box girder bridges, focusing on the vibration-based technique and its application in conjunction with the Precursor Transformation Matrix (PTM). Due to the critical r...

  • Article
  • Open Access
3 Citations
2,470 Views
19 Pages

The modeling method of unbonded effects is a challenging and hot topic for the structural performance analysis of unbonded and partially bonded post-tensioned concrete beams. The main concerns accounting for the unbonded effects are the longitudinal...

  • Review
  • Open Access
1,580 Views
26 Pages

Strengthening Techniques for Steel–Concrete Composite Beams: A Comprehensive Review

  • Yassar Yusuf,
  • Ahmed Elbelbisi,
  • Lamies Elgholmy,
  • Mohamed Elsawi Mahmoud,
  • Ahmed Elkilani and
  • Alaa Elsisi

4 November 2025

Composite steel–concrete beams have gained significant attention in modern construction due to their superior structural efficiency, economic viability, and adaptability to diverse applications. This paper presents a comprehensive review of res...

  • Article
  • Open Access
4 Citations
3,314 Views
13 Pages

Fatigue Characteristics of Steel–Concrete Composite Beams

  • Ayman El-Zohairy,
  • Hani Salim,
  • Hesham Shaaban and
  • Mahmoud T. Nawar

Fatigue in steel–concrete composite beams can result from cyclic loading, causing stress fluctuations that may lead to cumulative damage and eventual failure over an extended period. In this paper, the experimental findings from fatigue loading...

  • Article
  • Open Access
23 Citations
3,884 Views
16 Pages

Parametric Study on Steel–Concrete Composite Beams Strengthened with Post-Tensioned CFRP Tendons

  • Ahmed H. Elbelbisi,
  • Alaa A. El-Sisi,
  • Hilal A. Hassan,
  • Hani A. Salim and
  • Hesham F. Shabaan

28 November 2022

A sustainable environment can be achieved by strengthening the existing building to avoid new construction and by replacing the construction materials with long-lasting sustainable materials such as a fiber-reinforced polymer (FRP). Using post-tensio...

  • Article
  • Open Access
1 Citations
842 Views
16 Pages

10 September 2025

This study proposes a precast concrete bridge pier system designed to enhance seismic resilience and post-earthquake reparability. The structural configuration integrates ultra-high-performance concrete (UHPC), externally replaceable steel-angle ener...

  • Article
  • Open Access
58 Citations
5,994 Views
19 Pages

Assessment of Mechanical Properties of Corroded Prestressing Strands

  • Chi-Ho Jeon,
  • Cuong Duy Nguyen and
  • Chang-Su Shim

12 June 2020

The corrosion of prestressing steel in prestressed concrete bridges is a critical issue for bridge maintenance. To assess structures with corroded strands, it is necessary to define the mechanical properties of the strands and their influence on the...