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Infrastructures, Volume 9, Issue 7

July 2024 - 22 articles

Cover Story: This study investigates the Precursor Transformation Method (PTM) and Non-Destructive Testing (NDT) techniques for detecting damage in the tendons of post-tensioned segmental box girder bridges. Combining finite element simulations and empirical data, this study evaluates the effectiveness of these methods. Key findings reveal that force changes due to cross-section loss in one tendon are mostly isolated to that tendon, simplifying damage detection. Any observed force change can be directly attributed to that tendon alone, eliminating the need for sophisticated methodologies. The research proposes a streamlined approach using NDT methods to monitor internal forces after construction and during regular inspections, allowing the quick identification of potential damage, ensuring timely maintenance, and reducing risks associated with delayed repairs. View this paper
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Articles (22)

  • Article
  • Open Access
3 Citations
2,445 Views
31 Pages

Incremental Viscoelastic Damage Contact Models for Asphalt Mixture Fracture Assessment

  • Gustavo Câmara,
  • Rui Micaelo,
  • Nuno Monteiro Azevedo and
  • Hugo Silva

Asphalt mixtures are widely used as a surfacing material for pavements due to their several advantages. For this reason, robust numerical models still need to be developed to improve the understanding of their fracture behaviour. Recently, an increme...

  • Article
  • Open Access
4 Citations
2,361 Views
32 Pages

A planned interruption of railway infrastructure is a situation where the operation of the track line or the operation of railway transport is limited. If there is also a restriction on the railway infrastructure, it means there will be complications...

  • Article
  • Open Access
3 Citations
2,388 Views
16 Pages

Countries worldwide have implemented several strategies to achieve the Sustainable Development Goals (SDGs), to which sustainable construction projects can contribute significantly. However, an integrated assessment and management method for sustaina...

  • Article
  • Open Access
3 Citations
2,125 Views
15 Pages

Inertial Methodology for the Monitoring of Structures in Motion Caused by Seismic Vibrations

  • Julio C. Rodríguez-Quiñonez,
  • Jorge Alejandro Valdez-Rodríguez,
  • Moises J. Castro-Toscano,
  • Wendy Flores-Fuentes and
  • Oleg Sergiyenko

This paper presents a non-invasive methodology for structural health monitoring (SHM) integrated with inertial sensors and signal conditioning techniques. The proposal uses the signal of an IMU (inertial measurement unit) tri-axial accelerometer and...

  • Article
  • Open Access
3 Citations
3,560 Views
19 Pages

As the air–rail integration continues to emerge around the globe, the successful and maintainable implementation of such schemes can be influenced by many factors within administrative, social, infrastructural, and economic aspects. With the ex...

  • Review
  • Open Access
9 Citations
2,786 Views
23 Pages

Historical transportation infrastructures (HTIs) like railways and bridges are essential to our cultural heritage. However, the preservation and enhancement of these structures pose significant challenges due to their complex nature and the need for...

  • Article
  • Open Access
3 Citations
2,163 Views
18 Pages

Investigating the Ability of Road Specifications to Discriminate the Rutting Behavior of Rubberized Asphalt Mixtures in Italy

  • Usman Ghani,
  • Silvia Milazzo,
  • Gaspare Giancontieri,
  • Gabriella Buttitta,
  • Fan Gu and
  • Davide Lo Presti

Despite its worldwide adoption in many countries, rubberized asphalt mixtures are not fully incorporated as an alternative paving material in current Italian road specifications. This reluctance stems from a lack of experience, resistance to change i...

  • Article
  • Open Access
1 Citations
1,545 Views
21 Pages

Significant inelastic deformations induced in structural systems lead to structures possibly possessing some degree of permanent lateral deformation following major seismic events. These permanent deformations have led to considerable research being...

  • Article
  • Open Access
2,046 Views
13 Pages

The high-speed railway project and the ultra-high-voltage transmission project represent two crucial components of China’s “new infrastructure”. As the construction of these two projects progresses rapidly, it is inevitable that ins...

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Infrastructures - ISSN 2412-3811