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37,914 Results Found

  • Article
  • Open Access
1 Citations
1,195 Views
17 Pages

18 July 2025

The alkali–silica reaction (ASR) is an important mechanism of concrete deterioration, whereby reactive silica in aggregate interacts with cement alkalis to form expanding gel, which compromises the structural integrity of the concrete. Although...

(This article belongs to the Section Construction and Building Materials)
  • Article
  • Open Access
24 Citations
2,796 Views
16 Pages

18 September 2023

Increasing construction and demolition waste (CDW) and the large amount of energy consumption in the building operation process are high-profile issues at present. In the construction industry, recycled aggregated (RA) from CDW can be reutilized in c...

(This article belongs to the Special Issue Modeling and Analysis of Damage and Failure of Concrete-Like, Brittle and Quasi-Brittle Materials (Second Edition))
  • Abstract
  • Open Access
1,383 Views
2 Pages

The utilization of waste materials in pavement systems such as recycled concrete aggregates (RCA) and tire derived aggregates (TDA) has become a common practice in the design of surface wearing course layers [...]

(This article belongs to the Proceedings of The 1st International Online Conference on Infrastructures)
  • Article
  • Open Access
531 Views
20 Pages

Cyclic Behavior of Cellular Glass Aggregates: An Experimental Comparison with Natural Aggregates

  • Layal Jradi,
  • Bassel Seif El Dine,
  • Jean-Claude Dupla and
  • Jean Canou

4 March 2026

The construction sector is a major user of natural materials and a key contributor to global carbon emissions. To tackle these environmental challenges, the use of recycled products has become increasingly important in modern engineering. Cellular gl...

(This article belongs to the Special Issue Waste Materials: Recycle and Valorize)
  • Article
  • Open Access
12 Citations
2,693 Views
18 Pages

Thermal Conduction in Hybrid Nanofluids and Aggregates

  • Eugene D. Skouras,
  • Nikolaos P. Karagiannakis and
  • Vasilis N. Burganos

30 January 2024

Hybrid nanofluids contain more than one type of nanoparticle and have shown improved thermofluidic properties compared to more conventional ones that contain a single nanocomponent. Such hybrid systems have been introduced to improve further the ther...

(This article belongs to the Special Issue Thermal Properties and Features of Nanofluids)
  • Article
  • Open Access
4 Citations
1,585 Views
20 Pages

Marginal Aggregates: The Role of Clays

  • Arnon Bentur and
  • Pavel Larianovsky

22 August 2024

Clays are components in the fine portion of aggregates, less than 75 microns in size (micro-fines), which are usually washed away when producing coarse or fine (manufactured sand) aggregates in quarries. When marginal sources of aggregates are being...

(This article belongs to the Special Issue Effects of Adding Cement Admixtures on the Microstructure and Properties of Cement Materials)
  • Review
  • Open Access
9 Citations
5,006 Views
15 Pages

A Review of Sustainable Pavement Aggregates

  • Jaime R. Ramírez-Vargas,
  • Sergio A. Zamora-Castro,
  • Agustín L. Herrera-May,
  • Luis C. Sandoval-Herazo,
  • Rolando Salgado-Estrada and
  • María E. Diaz-Vega

13 August 2024

Prior research has demonstrated that incorporating solid waste from various sources, such as plastics, civil engineering waste, and industrial and mining waste, into pavement and civil works mixes has notable environmental benefits. This includes red...

(This article belongs to the Section Civil Engineering)
  • Article
  • Open Access
120 Citations
15,897 Views
15 Pages

18 May 2015

The practical use of recycled concrete aggregate produced by crushing concrete waste reduces the consumption of natural aggregate and the amount of concrete waste that ends up in landfills. This study investigated two methods used in the production o...

  • Review
  • Open Access
16 Citations
5,762 Views
22 Pages

Protein Aggregates and Aggrephagy in Myopathies

  • Sara Gibertini,
  • Alessandra Ruggieri,
  • Marta Cheli and
  • Lorenzo Maggi

A number of muscular disorders are hallmarked by the aggregation of misfolded proteins within muscle fibers. A specialized form of macroautophagy, termed aggrephagy, is designated to remove and degrade protein aggregates. This review aims to summariz...

(This article belongs to the Special Issue Molecular and Tissue Engineering Approaches in Musculoskeletal Regenerative Medicine 4.0)
  • Review
  • Open Access
45 Citations
12,254 Views
15 Pages

17 October 2012

During infection, many viruses induce cellular remodeling, resulting in the formation of insoluble aggregates/inclusions, usually containing viral structural proteins. Identification of aggregates has become a useful diagnostic tool for certain viral...

(This article belongs to the Special Issue Plant Viruses)
  • Article
  • Open Access
35 Citations
3,287 Views
20 Pages

Enhancing the Impact Strength of Prepacked Aggregate Fibrous Concrete Using Asphalt-Coated Aggregates

  • Nikolai Ivanovich Vatin,
  • Gunasekaran Murali,
  • Sallal R. Abid,
  • Afonso Rangel Garcez de Azevedo,
  • Bassam A. Tayeh and
  • Saurav Dixit

1 April 2022

The brittleness of plain concrete represents a significant issue to the integrity of concrete structures when subjected to impact loading. Recent rapid industrialization has attracted researchers to find a solution for concrete brittleness and enhanc...

(This article belongs to the Special Issue Fiber-Reinforced Concrete: Design, Characterization, and Applications)
  • Article
  • Open Access
20 Citations
7,445 Views
22 Pages

30 January 2019

Aggregates are essential in the production of composite building materials and their properties and characteristics influence the performance of these materials in use. Nevertheless, despite the existence of several standardized and other methods for...

(This article belongs to the Special Issue Petrography of Construction Materials: Compositional, Mineralogical and Textural Features)
  • Article
  • Open Access
4 Citations
4,379 Views
15 Pages

Identification of Aggregates Quarries via Computer Vision Analysis as a Tool for Sustainable Aggregates Management and Land Planning

  • Francisco J. López-Acevedo,
  • María J. Herrero,
  • José I. Escavy and
  • Miguel A. Peláez Fernández

9 April 2024

The mineral raw materials industry is crucial for European industry, with the European Economic and Social Committee estimating that 70% of the industry relies directly or indirectly on its supply. In the context of a decarbonized and digitalized eco...

(This article belongs to the Section Sustainable Materials)
  • Article
  • Open Access
5 Citations
2,910 Views
16 Pages

Structural Concrete from 100% Recycled Aggregates

  • Antonio Brencich,
  • Andrea Dubesti and
  • Farhad Ali Akbari Hamed

16 December 2024

In spite of the amount of construction debris produced every year, recycled aggregates are still not commonly used in the concrete industry. A 100% recycled aggregate concrete—RAC—is not yet allowed by technical codes even though it would...

(This article belongs to the Section Civil Engineering)
  • Article
  • Open Access
2 Citations
5,086 Views
15 Pages

Constructing Divisia Monetary Aggregates for Singapore

  • William A. Barnett and
  • Van H. Nguyen

Since Barnett derived the user cost price of money, the economic theory of monetary services aggregation has been developed and extended into a field of its own with solid foundations in microeconomic theory. Divisia monetary aggregates have repeated...

(This article belongs to the Section Economics and Finance)
  • Review
  • Open Access
10 Citations
4,801 Views
23 Pages

Recent Advances in NIR-II Molecular Aggregates and Applications in the Biomedical Field

  • Kun Wu,
  • Ruowen Yang,
  • Xuefang Song,
  • Huangxian Ju and
  • Ying Liu

Near-infrared (NIR) light is a promising tool for biomedical imaging and therapy, offering excellent tissue penetration, low scattering, and minimal biological fluorescence interference. An NIR-II optical range of 900–1880 nm with reduced backg...

(This article belongs to the Special Issue Dedicated to Professor Huangxian Ju and Professor Xueji Zhang on the Occasion of Their 60th Birthday for Their Outstanding Contributions to the Field of Chemical/Bio Sensors)
  • Feature Paper
  • Article
  • Open Access
4 Citations
3,718 Views
11 Pages

25 July 2020

Asphaltenes generally aggregate, then precipitate and deposit on the surfaces of environmental media (soil, sediment, aquifer, and aquitard). Previous studies have recognized the importance of asphaltene aggregates on the wettability of aquifer syste...

(This article belongs to the Section Hydrology)
  • Article
  • Open Access
8 Citations
4,618 Views
16 Pages

Amyloid Aggregates of Smooth-Muscle Titin Impair Cell Adhesion

  • Alexander G. Bobylev,
  • Roman S. Fadeev,
  • Liya G. Bobyleva,
  • Margarita I. Kobyakova,
  • Yuri M. Shlyapnikov,
  • Daniil V. Popov and
  • Ivan M. Vikhlyantsev

Various amyloid aggregates, in particular, aggregates of amyloid β-proteins, demonstrate in vitro and in vivo cytotoxic effects associated with impairment of cell adhesion. We investigated the effect of amyloid aggregates of smooth-muscle titin on sm...

(This article belongs to the Special Issue Pathological and Functional Amyloid Fibrils)
  • Article
  • Open Access
50 Citations
9,780 Views
13 Pages

Environmental and Economic Comparison of Natural and Recycled Aggregates Using LCA

  • Adriana Dias,
  • Salem Nezami,
  • José Silvestre,
  • Rawaz Kurda,
  • Rui Silva,
  • Isabel Martins and
  • Jorge de Brito

Recycled aggregates (RAs) have been playing an important role in replacing natural aggregates (NAs) in concrete production, thereby contributing to a reduction in the extraction of natural resources and the promotion of a circular economy. However, i...

(This article belongs to the Special Issue Feature Papers in Recycling 2022)
  • Article
  • Open Access
1 Citations
2,036 Views
14 Pages

8 April 2024

The load-bearing capacity of pebble aggregates plays a pivotal role in influencing the operational performance of uncontrolled trucks on arrester beds. The complexity of this phenomenon stems from the nonuniformity in the shapes of the pebbles and th...

(This article belongs to the Section Materials Science and Engineering)
  • Proceeding Paper
  • Open Access
1 Citations
2,567 Views
10 Pages

A Proposal for the Use of Recycled Aggregates in Concrete in Greece

  • Maria Nomikou,
  • Charalampos Kouris,
  • Thalassis Karkaletsis,
  • Vasileios Kaloidas and
  • Efstratios Badogiannis

Regulations for building materials in Greece do not allow for the use of recycled aggregates in concrete. The HERACLES Group, aiming to motivate the adoption of provisions in the national regulation, launched a project to evaluate the safe use of rec...

(This article belongs to the Proceedings of The 2nd International Conference on Raw Materials and Circular Economy “RawMat2023”)
  • Article
  • Open Access
16 Citations
5,164 Views
21 Pages

18 April 2022

The construction industry is one of the key industries with high potential for the circular economy; the promotion of reuse and recycling of construction and demolition waste (CDW) is essential for sustainable urban development. In this study, a seri...

(This article belongs to the Section Resources and Sustainable Utilization)
  • Article
  • Open Access
12 Citations
2,911 Views
19 Pages

Production of Synthetic Lightweight Aggregates from Industrial Sludge

  • How-Ji Chen,
  • Pen-Chou Chen,
  • Ching-Fang Peng and
  • Chien-Wei Huang

9 June 2022

Industrial sludge continues to increase in quantity with the development of industry. Therefore, how to effectively treat industrial sludge continues to be an environmental focus around the world. Due to the high calorie content of industrial sludge...

  • Review
  • Open Access
2 Citations
1,542 Views
42 Pages

A Review: Strengthening Techniques for Recycled Aggregates

  • Junbo Wang,
  • Hewen Shen,
  • Xianggang Zhang,
  • Mengbo Li and
  • Xunda Yang

12 February 2026

Due to its relatively low apparent density, as well as high water absorption and crushing value, recycled aggregate (RA) is difficult to directly apply in practical concrete production. Existing studies have proposed a variety of pretreatment methods...

(This article belongs to the Section Environmental Aspects in Colloid and Interface Science)
  • Article
  • Open Access
27 Citations
6,067 Views
16 Pages

2-Hydroxypropyl-β-Cyclodextrin Aggregates: Identification and Development of Analytical Techniques

  • André Rodrigues Sá Couto,
  • Alexey Ryzhakov and
  • Thorsteinn Loftsson

13 October 2018

It is extremely important for pharmaceutical formulators to have analytical methodology that provides efficient detection and quantification of HPβCD aggregates. Five different methods were then evaluated for their potential to detect these aggr...

  • Feature Paper
  • Article
  • Open Access
34 Citations
7,178 Views
16 Pages

Effects of Biochar on Soil Aggregation and Distribution of Organic Carbon Fractions in Aggregates

  • Ming-Hsi Lee,
  • Ed-Haun Chang,
  • Chia-Hsing Lee,
  • Jyun-Yuan Chen and
  • Shih-Hao Jien

19 August 2021

Soil aggregates are among crucial factors for determining both the quality and erosion resistance of soils. Biochar is a soil amendment that has seen increasing use to improve specific soil properties, mainly the physical structure and the preserving...

(This article belongs to the Section Environmental and Green Processes)
  • Article
  • Open Access
1 Citations
5,233 Views
34 Pages

Constructing Divisia Monetary Aggregates for the Asian Tigers

  • William A. Barnett,
  • JongSoo Lee and
  • Naowar Mohiuddin

This study constructs Divisia monetary aggregates for the “Asian Tigers”—Hong Kong (1999–2024), South Korea (2009–2024), Singapore (1991–2021), and Taiwan (2005–2024)—and assesses whether Divisia moneta...

(This article belongs to the Special Issue Editorial Board Members’ Collection Series: Journal of Risk and Financial Management)
  • Article
  • Open Access
2 Citations
856 Views
14 Pages

Image-Based Evaluation Method for the Shape Quality of Stacked Aggregates

  • Shaobo Ren,
  • Sheng Zeng,
  • Yi Zhou,
  • Yuming Peng and
  • Binqing Liu

28 November 2025

Coarse aggregate shape plays a critical role in determining surface performance and durability in pavement systems. Traditional manual shape inspection is laborious and subjective, especially for bulk aggregates in overlapped state. In this work, we...

(This article belongs to the Section Sensing and Imaging)
  • Article
  • Open Access
61 Citations
9,987 Views
21 Pages

5 July 2018

This paper is focused on the influence of the geological nature and quality of the aggregates on the compressive strength of concrete and explains why it is important not to ignore the characteristics of aggregates in the estimation of the strength o...

(This article belongs to the Special Issue New Trends in Recycled Aggregate Concrete)
  • Article
  • Open Access
22 Citations
3,213 Views
21 Pages

Concrete Performance Produced Using Recycled Construction and By-Product Industrial Waste Coarse Aggregates

  • Ali S. Alqarni,
  • Abdulrahman Albidah,
  • Husain Abbas,
  • Tarek Almusallam and
  • Yousef Al-Salloum

15 December 2022

Concrete is classified as a multi-composite material comprising three phases: coarse aggregate, mortar, and interfacial transition zone (ITZ). Fine and coarse aggregates occupy approximately 70–85% by volume, of which coarse aggregate typically...

  • Article
  • Open Access
20 Citations
5,383 Views
12 Pages

Amphiphilic Porphyrin Aggregates: A DFT Investigation

  • Federica Sabuzi,
  • Manuela Stefanelli,
  • Donato Monti,
  • Valeria Conte and
  • Pierluca Galloni

29 December 2019

Owing to the attractive potential applications of porphyrin assemblies in photocatalysis, sensors, and material science, studies presently concerning porphyrin aggregation are widely diffused. π–π stacking, H-bonding, metal coordination,...

(This article belongs to the Special Issue Spatial Organization of Multi-Porphyrins for Pre-Defined Properties)
  • Article
  • Open Access
13 Citations
4,332 Views
18 Pages

Evaluation of the Structure and Geometric Properties of Crushed Igneous Rock Aggregates

  • Paweł Strzałkowski,
  • Magdalena Duchnowska,
  • Urszula Kaźmierczak,
  • Alicja Bakalarz,
  • Michał Wolny,
  • Piotr Karwowski and
  • Tomasz Stępień

25 November 2021

The aim of this publication is to analyze the influence of rock mineral composition and rock geometric properties on the quality of crushed aggregates, from the perspective of selecting an adequate aggregate production technology. This research is ba...

  • Article
  • Open Access
120 Citations
15,344 Views
12 Pages

Cytotoxicity Assessment of Some Carbon Nanotubes and Related Carbon Nanoparticle Aggregates and the Implications for Anthropogenic Carbon Nanotube Aggregates in the Environment

  • L. E. Murr,
  • K. M. Garza,
  • K. F. Soto,
  • A. Carrasco,
  • T. G. Powell,
  • D. A. Ramirez,
  • P. A. Guerrero,
  • D. A. Lopez and
  • J. Venzor

Nanotechnology and nanomaterials have become the new frontier world-wide over the past few years and prospects for the production and novel uses of large quantities of carbon nanotubes in particular are becoming an increasing reality. Correspondingly...

  • Article
  • Open Access
9 Citations
4,221 Views
26 Pages

Soil Aggregates and Aggregate-Associated Carbon and Nitrogen in Farmland in Relation to Long-Term Fertilization on the Loess Plateau, China

  • Jinjin Wang,
  • Xu Sun,
  • Yuqing Zhang,
  • Yujing Fang,
  • Yizhe Zhan,
  • Ru Guo,
  • Rui Qian,
  • Tie Cai,
  • Tiening Liu and
  • Xiaolong Ren
  • + 2 authors

Soil aggregation plays a critical role in the maintenance of soil structure and crop productivity. Fertilization influences soil aggregation, especially by regulating soil organic carbon (SOC) and total nitrogen (TN) contents in aggregate fractions....

(This article belongs to the Special Issue Improving Fertilizer Use Efficiency)
  • Article
  • Open Access
21 Citations
6,161 Views
9 Pages

Paper Sludge Reuse in Lightweight Aggregates Manufacturing

  • How-Ji Chen,
  • Ying-Chih Hsueh,
  • Ching-Fang Peng and
  • Chao-Wei Tang

27 October 2016

The lightweight aggregates used by the civil engineering market are sintered at a high temperature, about 1200 °C. In times of high energy prices and regulation of carbon dioxide emissions, lightweight aggregate products of the high-temperature proce...

(This article belongs to the Special Issue Porous Ceramics)
  • Article
  • Open Access
751 Views
16 Pages

Efficient protein aggregate removal remains a major challenge in downstream bioprocessing because high aggregate clearance must be achieved without compromising monomer yield. Mixed-mode chromatography (MMC) has emerged as a promising approach, offer...

(This article belongs to the Special Issue Protein Biophysics)
  • Article
  • Open Access
31 Citations
4,866 Views
20 Pages

Geopolymer Concrete with Lightweight Artificial Aggregates

  • Katarzyna Kalinowska-Wichrowska,
  • Edyta Pawluczuk,
  • Michał Bołtryk and
  • Adam Nietupski

21 April 2022

This article presents the physical and mechanical properties of geopolymer concrete with lightweight artificial aggregate. A research experiment where the influence of fly ash–slag mix (FA-S), as part of a pozzolanic additive, on the properties...

(This article belongs to the Special Issue Construction Engineering - Challenges of the 21st Century)
  • Review
  • Open Access
27 Citations
9,366 Views
23 Pages

11 November 2021

The construction industry’s current dependence on primary aggregates is unsustainable as these are non-renewable resources and the consumption of these materials has a high environmental impact. The global annual production of primary aggregates is e...

(This article belongs to the Topic Recycling and Value-Added Utilization of Secondary Raw Materials)
  • Article
  • Open Access
2 Citations
1,294 Views
17 Pages

10 February 2025

The radiative/scattering properties of cyanobacterial aggregates are crucial for understanding microalgal cultivation. This study analyzed the scattering matrix elements and cross-sections of cyanobacterial aggregates using the discrete dipole approx...

  • Review
  • Open Access
73 Citations
12,709 Views
15 Pages

Dynamic Cultivation of Mesenchymal Stem Cell Aggregates

  • Dominik Egger,
  • Carla Tripisciano,
  • Viktoria Weber,
  • Massimo Dominici and
  • Cornelia Kasper

Mesenchymal stem cells (MSCs) are considered as primary candidates for cell-based therapies due to their multiple effects in regenerative medicine. Pre-conditioning of MSCs under physiological conditions—such as hypoxia, three-dimensional envir...

(This article belongs to the Special Issue Advanced Dynamic Cell and Tissue Culture)
  • Article
  • Open Access
3 Citations
1,808 Views
17 Pages

Analysis of Physical Properties of Coarse Aggregates Recovered from Demolished Concrete with a Two-Stage Water Jigs Process for Reuse as Aggregates in Concrete

  • Artur Bressanelli Teixeira,
  • Carlos Hoffmann Sampaio,
  • Josep Oliva Moncunill,
  • Jose Luis Cortina Palas,
  • Monica Mariana Davila Lima and
  • Grethel Tamara Herrera La Rosa

The present work analyses the physical characteristics of aggregates recovered with the waterjigging process from comminuted concrete. In this work, conventional concrete (C16/20) was crushed to a top size of 20 mm with a jaw crusher and classified i...

(This article belongs to the Section Building Materials, and Repair & Renovation)
  • Article
  • Open Access
31 Citations
5,781 Views
15 Pages

9 April 2024

The global construction industry is increasingly utilizing concrete prepared from recycled aggregate as a substitute for natural aggregate. However, the subpar performance of recycled fine aggregate (RFA) has resulted in its underutilization, particu...

(This article belongs to the Special Issue Sustainable and Advanced Cementitious Materials)
  • Review
  • Open Access
8 Citations
5,279 Views
22 Pages

17 December 2021

The aim of this article is to present possibilities of producing aggregates with an increased content of regular particles in some well-known examples, as well as to present previously unused methods of aggregate production. Traditional aggregate pro...

(This article belongs to the Special Issue Selective Disintegration: Theory and Practice)
  • Article
  • Open Access
28 Citations
4,436 Views
13 Pages

Preliminary Analysis of the Use of Construction Waste to Replace Conventional Aggregates in Concrete

  • Fernando A. N. Silva,
  • João M. P. Q. Delgado,
  • António C. Azevedo,
  • António G. B. Lima and
  • Castorina S. Vieira

25 February 2021

This work aims to study the influence of using construction and demolition waste in the replacement of coarse and fine aggregate to produce recycled aggregate concrete (RAC). A moderate compressive strength concrete made with usual fine and coarse ag...

(This article belongs to the Section Building Energy, Physics, Environment, and Systems)
  • Article
  • Open Access
28 Citations
4,223 Views
15 Pages

20 January 2020

Under the repeated loading, the continuous impact and friction of tires on aggregates resulted in some changes in their morphology, which may cause rutting, decrease in skid resistance, and fatigue damage of the road. In order to explore specific cha...

(This article belongs to the Section Construction and Building Materials)
  • Feature Paper
  • Article
  • Open Access
92 Citations
7,778 Views
18 Pages

1 October 2021

This paper concerns the recovery of construction and demolition waste as coarse recycled aggregates for concrete. Coarse recycled aggregates may be used as a partial or total replacement of natural aggregates, contributing to the circular economy and...

(This article belongs to the Special Issue Structural Concrete Material: New Trends for Eco-Efficiency and Performance)
  • Article
  • Open Access
11 Citations
3,559 Views
20 Pages

8 May 2020

Solid–liquid separation is a key unit operation in the wastewater treatment, generally consisting of coagulation and flocculation steps to promote aggregation and increase the particle size, followed by sedimentation, where the particles settle...

(This article belongs to the Special Issue Sustainable Environmental Solutions)
  • Article
  • Open Access
10 Citations
3,439 Views
19 Pages

5 February 2025

Sustainable development relies on the circularity in the built environment, which, in turn, includes recycling construction and demolition waste and using recycled materials. However, using fine recycled fractions is challenging, especially consideri...

  • Review
  • Open Access
27 Citations
11,317 Views
35 Pages

The construction industry is responsible for 50% of mineral resource extraction and 35% of greenhouse gas (GHG) emissions. In this context, concrete stands out as one of the most consumed materials in the world. More than 30 billion tons of this mate...

(This article belongs to the Special Issue Smart, Sustainable and Resilient Infrastructures, 3rd Edition)
  • Proceeding Paper
  • Open Access
12 Citations
10,594 Views
10 Pages

Recycling Concrete to Aggregates. Implications on CO2 Footprint

  • Ioannis Bampanis and
  • Charalampos Vasilatos

Over the last decades, the needs of the contemporary way of life and the ongoing population growth have affected the construction industry by causing rapid development of the sector. This accretion combined with the challenging management of construc...

(This article belongs to the Proceedings of The 2nd International Conference on Raw Materials and Circular Economy “RawMat2023”)

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