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Infrastructures, Volume 10, Issue 2

February 2025 - 22 articles

Cover Story: Belite calcium sulfoaluminate (CSAB) cement is a promising alternative to Portland cement due to its high strength, durability, and lower carbon emissions. To further enhance its sustainability, this study explores the partial replacement of CSAB with gypsum and limestone—both low-carbon materials—while maintaining performance. The findings indicate that gypsum promotes ettringite formation, preserving strength, whereas limestone accelerates hydration but slightly reduces compressive strength. An optimized blend containing 12% gypsum and 20% limestone achieved a compressive strength of 39 MPa at 3 days, balancing sustainability and performance. These insights contribute to the development of next-generation eco-friendly cementitious materials, fostering greener construction solutions. View this paper
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Articles (22)

  • Article
  • Open Access
3 Citations
1,357 Views
20 Pages

Hindrances to the Utilisation of the Metaverse for Net-Zero Buildings in South Africa

  • Olusegun Aanuoluwapo Oguntona and
  • Opeoluwa Israel Akinradewo

Net-zero buildings (NZBs) are a key component of sustainable development in the architecture, engineering, and construction (AEC) industry, offering a path to mitigating environmental impacts. The Metaverse, as an emerging digital technology, has the...

  • Article
  • Open Access
3 Citations
1,680 Views
22 Pages

Design of Sensorized Rail Pads for Real-Time Monitoring and Predictive Maintenance of Railway Infrastructure

  • Amparo Guillén,
  • Oswaldo Guerrero-Bustamante,
  • Guillermo R. Iglesias,
  • Fernando Moreno-Navarro and
  • Miguel Sol-Sánchez

Embedding sensors in rail pads allows for direct monitoring of train–track interaction, which is essential for preventive maintenance and sustainable management of railway infrastructure. Nonetheless, given the critical role that rail pads play...

  • Article
  • Open Access
2,502 Views
14 Pages

This study examines the reduction in energy consumption in residential and commercial buildings by utilizing eco-efficient ceramic bricks, converted into building blocks for the construction industry, in light of their significant energy usage and th...

  • Article
  • Open Access
2 Citations
1,390 Views
19 Pages

Surrogate-Assisted Cost Optimization for Post-Tensioned Concrete Slab Bridges

  • Lorena Yepes-Bellver,
  • Alejandro Brun-Izquierdo,
  • Julián Alcalá and
  • Víctor Yepes

The study uses surrogate modeling techniques to evaluate cost optimization methodologies for post-tensioned concrete slab bridges. These structures are key components in transportation infrastructure, where design efficiency can yield significant eco...

  • Article
  • Open Access
7 Citations
3,470 Views
18 Pages

Concrete is widely used in different types of buildings and bridges; however, one of the major issues for concrete structures is crack formation and propagation during its service life. These cracks can potentially introduce harmful agents into concr...

  • Article
  • Open Access
10 Citations
4,148 Views
21 Pages

Performance of Sustainable Geopolymer Concrete Made of Different Alkaline Activators

  • Yasmin R. Hamed,
  • Mostafa M. Keshta,
  • Mohamed M. Yousry Elshikh,
  • Ahmed A. Elshami,
  • Mohamed H. S. Matthana and
  • Osama Youssf

A major challenge in modern infrastructure is the excessive reliance on traditional Portland cement, which contributes significantly to environmental degradation and durability issues. This study addresses the need for sustainable and durable constru...

  • Article
  • Open Access
1,133 Views
11 Pages

This paper presents gradations of both Hot In-place Recycling (HIR) and Cold In-place Recycling (CIR) and analysis of cores collected from CIR/Hot Mix Asphalt (HMA) overlay sections in Iowa. Milling samples were obtained from an HIR recycling project...

  • Article
  • Open Access
1 Citations
3,167 Views
25 Pages

Digital Mapping and Resilience Indicators, as Pillars of Bucharest’s Seismic Resilience Strategy

  • Mihnea Paunescu,
  • Oana Luca,
  • Adrian Andrei Stanescu and
  • Florian Gaman

This study presents relevant elements of seismic resilience strategy containing an innovative digital mapping tool tailored for Bucharest, one of Europe’s most seismically vulnerable areas. The framework integrates seismic resilience indicators...

  • Technical Note
  • Open Access
1,029 Views
13 Pages

The detection of acoustic emission events from various failing mechanisms, such as plastic deformations, is a critical element in the monitoring and timely detection of structural failures in infrastructures. This study focuses on the detection of su...

  • Article
  • Open Access
2,360 Views
13 Pages

Dynamic Identification of Bridges Using Multiple Synchronized Cameras and Computer Vision

  • Tommaso Panigati,
  • Alessia Abbozzo,
  • Maria Antonietta Pace,
  • Eray Temur,
  • Filip Cigan and
  • Rolands Kromanis

This study investigates the application of computer vision techniques in Structural Health Monitoring (SHM). The advantages of multiple synchronized camera setups in capturing and analyzing the dynamic behavior of bridges are researched. The proposed...

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Infrastructures - ISSN 2412-3811