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Infrastructures, Volume 10, Issue 2

2025 February - 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
1,608 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
4 Citations
1,954 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
1 Citations
2,779 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
1,516 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
9 Citations
3,956 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
13 Citations
4,609 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
1,188 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
2 Citations
3,401 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
1,111 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
2,620 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...

  • Article
  • Open Access
2 Citations
1,654 Views
20 Pages

Comparative Analysis of Fractals-Homogeneity-Entropy Algorithms Applied on a FEM Bridge Model to Identify Damage

  • Jose M. Machorro-Lopez,
  • Martin Valtierra-Rodriguez,
  • Jose T. Perez-Quiroz and
  • Juan P. Amezquita-Sanchez

Vehicular bridges accumulate damage over time due to overloads and material degradation. Non-visible structural damage in such large structures poses a serious risk, as small defects in critical elements can rapidly grow, potentially leading to catas...

  • Review
  • Open Access
5 Citations
4,276 Views
23 Pages

The transition from traditional knowledge retrieval to artificial intelligence-powered knowledge retrieval signifies a fundamental change in data processing, analysis, and use in infrastructure projects. This systematic review presents a thorough lit...

  • Article
  • Open Access
6 Citations
5,305 Views
22 Pages

Rubberized asphalt mixtures, including dry-process, wet-process with asphalt rubber binder, and wet-process with terminal blend binder, are superior options for pavement construction compared to conventional hot mix asphalt (HMA). This study compared...

  • Article
  • Open Access
2 Citations
4,380 Views
20 Pages

Visual inspection is a common method for detecting structural damage, but has limitations in terms of subjectivity, time, and access. This research proposes an innovative approach to identify cracks using a 3D model generated from photographs of an u...

  • Article
  • Open Access
2,060 Views
39 Pages

An Agglomerative Clustering Combined with an Unsupervised Feature Selection Approach for Structural Health Monitoring

  • Tales Boratto,
  • Heder Soares Bernardino,
  • Alex Borges Vieira,
  • Tiago Silveira Gontijo,
  • Matteo Bodini,
  • Dmitriy A. Martyushev,
  • Camila Martins Saporetti,
  • Alexandre Cury,
  • Flávio Barbosa and
  • Leonardo Goliatt

Structural health monitoring (SHM) is critical for ensuring the safety and longevity of structures, yet existing methodologies often face challenges such as high data dimensionality, lack of interpretability, and reliance on extensive label datasets....

  • Article
  • Open Access
2 Citations
2,301 Views
18 Pages

Modeling Rollover Crash Risks: The Influence of Road Infrastructure and Traffic Stream Characteristics

  • Abolfazl Khishdari,
  • Hamid Mirzahossein,
  • Xia Jin and
  • Shahriar Afandizadeh

Rollover crashes are among the most prevalent types of accidents in developing countries. Various factors may contribute to the occurrence of rollover crashes. However, limited studies have simultaneously investigated both traffic stream and road-rel...

  • Article
  • Open Access
1,665 Views
21 Pages

Analytical models to predict distresses and service conditions of road pavements can greatly contribute to the development of an effective pavement management system. These models allow the transportation agencies to monitor and track the deteriorati...

  • Article
  • Open Access
1 Citations
1,599 Views
24 Pages

The use of precast concrete pipes for water and sewage transportation systems is a very important element of a country’s infrastructure. The main aim of this study was to investigate the effects of concrete’s compressive strength and rein...

  • Review
  • Open Access
9 Citations
5,920 Views
27 Pages

Review of Nondestructive Testing (NDT) Techniques for Timber Structures

  • Ziad Azzi,
  • Houssam Al Sayegh,
  • Omar Metwally and
  • Mohamed Eissa

The widespread adoption of wood in construction is driven by its sustainability, cost-effectiveness, and esthetic appeal. The construction of wood buildings often requires minimal specialized equipment, contributing to affordability and higher demand...

  • Article
  • Open Access
1 Citations
2,338 Views
21 Pages

Effects of Gypsum and Limestone on Early-Age Hydration and Strength Optimization in Belite Calcium Sulfoaluminate Cement

  • Sai Akshay Ponduru,
  • Bryan K. Aylas-Paredes,
  • Taihao Han,
  • Advaith Neithalath,
  • Narayanan Neithalath,
  • Gaurav Sant and
  • Aditya Kumar

Belite calcium sulfoaluminate cement (CSAB), an alternative to Portland cement, exhibits excellent strength at both early and later ages. However, due to its high belite content, the carbon reduction from this type of cement is not sufficient when co...

  • Article
  • Open Access
10 Citations
7,417 Views
26 Pages

Advanced Machine Learning Techniques for Predicting Concrete Compressive Strength

  • Mohammad Saleh Nikoopayan Tak,
  • Yanxiao Feng and
  • Mohamed Mahgoub

Accurate estimation of concrete compressive strength is very important for the improvement of mix design, quality assurance, and compliance with engineering specifications. Most empirical traditional models have failed to capture the complex relation...

  • Article
  • Open Access
11 Citations
3,715 Views
31 Pages

Investigation of the Mechanical Properties and Durability of Fiber-Reinforced Geopolymer Mortars Containing Metakaolin and Glass Powder

  • Mir Alimohammad Mirgozar Langaroudi,
  • Mohammad Mohtasham Moein,
  • Ashkan Saradar and
  • Moses Karakouzian

The increasing global emphasis on sustainable construction practices has spurred significant international research into developing durable and eco-friendly concrete materials. This study investigates the potential of metakaolin and glass powder as s...

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Infrastructures - ISSN 2412-3811