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Infrastructures, Volume 6, Issue 2

February 2021 - 19 articles

Cover Story: Guaranteeing adequate safety levels in critical infrastructures such as bridges is essential to modern societies and their vital services. Bridges with reinforced concrete structures are subject to deterioration, mostly due to corrosion effects. Gerber saddles are among the critical components of bridges that are particularly exposed to environmental actions. In this study, a framework for the durability analysis of these components is used to perform nonlinear numerical simulations, considering both permanent loads and chlorides attack due to de-icing salt. Thus, Gerber saddles of the iconic Musmeci bridge located in Potenza (Italy) were studied. Durability analyses allowed predicting the corrosion progress and evaluating the saddles’ structural efficiency presently and after fifty years, as a function of chloride corrosion parameters. View this paper
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Articles (19)

  • Article
  • Open Access
1 Citations
3,406 Views
16 Pages

Generally, during maintenance operations on bridges and motorway viaducts, the circulation of vehicles is limited or suspended. This causes significant economic losses due to the increase in the costs of transport: delays, increased fuel consumption,...

  • Feature Paper
  • Article
  • Open Access
2 Citations
3,578 Views
13 Pages

Assessing Ground Support of Plastic Pipes Using Ultrasound

  • Juanjuan Zhu,
  • Joby B. Boxall,
  • Andrew F. Hills,
  • Rob S. Dwyer-Joyce,
  • Sean R. Anderson and
  • Richard P. Collins

The ability to detect early signs of failure in buried pipe infrastructure is necessary to facilitate the continued use of ageing infrastructure for delivery of society’s essential services and move beyond disruptive and expensive reactive maintenanc...

  • Article
  • Open Access
4 Citations
4,386 Views
14 Pages

Numerical Analysis of Twin Tunnels Lining under Different Seismic Conditions

  • Abdelhay El Omari,
  • Mimoun Chourak,
  • El Mehdi Echebba,
  • Seif-Eddine Cherif,
  • Carlos Navarro Ugena,
  • Mohamed Rougui,
  • Fadi Hage Chehade,
  • Francisco Lamas Fernández and
  • Aboubakr Chaaraoui

The last seismic events showed that tunnel lining may suffer extensive damage. Employing numerical modeling has a great importance in predicting the seismic performance of tunnels. This paper tests the tunnel lining of the Zaouit Ait Mellal (ZAM) twi...

  • Article
  • Open Access
18 Citations
4,250 Views
35 Pages

A Comprehensive Uncertainty-Based Framework for Inspection Planning of Highway Bridges

  • Abdelrahman M. Abdallah,
  • Rebecca A. Atadero and
  • Mehmet E. Ozbek

Bridge inspection standards in the United States require routine visual inspections to be conducted on most bridges at a maximum interval of two years regardless of the bridge condition. Limitations of this uniform calendar-based approach have been r...

  • Article
  • Open Access
46 Citations
5,292 Views
17 Pages

One of the most important components of pavement management systems is predicting the deterioration of the network through performance models. The accuracy of the prediction model is important for prioritizing maintenance action. This paper describes...

  • Review
  • Open Access
26 Citations
8,397 Views
21 Pages

The main aim of this paper is to review recent studies over the past 10 years investigating the influencing factors for improving the mechanical properties of concrete. This focuses on concrete comprising of pozzolanic materials, partially or entirel...

  • Article
  • Open Access
46 Citations
7,702 Views
23 Pages

Guaranteeing adequate safety levels in critical infrastructures such as bridges is essential to modern societies and their vital services. Bridges with reinforced concrete structures are subject to deterioration, especially due to corrosion effects....

  • Article
  • Open Access
35 Citations
6,024 Views
19 Pages

The continuous growth of cities brings out various concerns for improved development and management of the multifaceted urban systems, including those of resilience and smartness. Despite the many significant efforts in the research field, both notio...

  • Article
  • Open Access
19 Citations
4,406 Views
14 Pages

The advent of modern geodetic satellite techniques (GNSS, including GPS) permitted to observe dynamic deflections of bridges, initially of long flexible ones, and more recently of short, essentially stiff bridges with modal frequencies > 1 Hz, and...

  • Article
  • Open Access
12 Citations
5,561 Views
21 Pages

Dynamic Planning of Construction Site for Linear Projects

  • Kleopatra Petroutsatou,
  • Nikolaos Apostolidis,
  • Athanasia Zarkada and
  • Aneta Ntokou

The area of dynamic planning of construction sites is unexplored. Although there is a large amount of scientific interest in the literature in dynamic planning of construction site layouts, with different methodologies developed, studies on construct...

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Infrastructures - ISSN 2412-3811