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Artículos de revistas sobre el tema "Recycled concrete fines"

Autor: Grafiati

Publicado: 14 de diciembre de 2024

Última modificación: 31 de julio de 2025

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1

Naruts, Vitali, Oksana Larsen, and Anton Bakhrakh. "SCC with activated recycled concrete fines." MATEC Web of Conferences 239 (2018): 01024. http://dx.doi.org/10.1051/matecconf/201823901024.

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The main application of concrete waste is its use as a coarse aggregate in concretes. Recycled concrete fines can be also used in concrete mixtures as fine aggregates or fillers. The paper describes an efficient activation method of recycled concrete fines to obtain technological, economical and ecological benefits. The idea is to combine mechanical and chemical methods of activation. According to various experiments the addition of superplasticizer into the mill speeds up grinding process. The present investigation shows that adding 0.5% by mass of recycled concrete fines allows obtaining hig

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2

Iduwin, Tommy, Dicki Dian Purnama, Pratiwi Septyaning Putri, and Hastanto Siswo Martono. "Pengaruh Penggunaan Material Daur Ulang Terhadap Sifat Mekanik Beton Non Pasir." FORUM MEKANIKA 9, no. 1 (2020): 11–19. http://dx.doi.org/10.33322/forummekanika.v9i1.1080.

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Infrastructure development is increasing every year making the need for concrete materials increases. Using alternative materials can reduce the scarcity of material and environmental damage caused by taking and dredging the material. This research is to find out how much influence the recycled material has on the compressive strength of no fines concrete. The variations used are recycled materials of 0%, 25%, 50%, 75% and 100%. Mechanical testing conducted is a compressive strength test to determine the compressive strength of no fines concrete at the age of 7, 14 and 28 days. The ratio of ce

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3

Grigorjev, Vadim, Miguel Azenha, and Nele De Belie. "Towards Sustainable Masonry Construction Through Natural Aggregate Replacement by Fine Recycled Aggregates in Cement–Lime Mortars." Sustainability 17, no. 3 (2025): 1269. https://doi.org/10.3390/su17031269.

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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 considering the requirements for new building applications. Yet, producing more widely applied recycled coarse aggregates usually leads to the simultaneous generation of recycled sand fraction, which contains many fines that pose potential problems. This work presents the direct incorporation of concrete and mixed waste-based recycled sand and recycled fine

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4

Soultana, Athanasia, Michael Galetakis, Anthoula Vasiliou, Konstantinos Komnitsas, and Despina Vamvuka. "Utilization of Upgraded Recycled Concrete Aggregates and Recycled Concrete Fines in Cement Mortars." Recent Progress in Materials 03, no. 03 (2021): 1. http://dx.doi.org/10.21926/rpm.2103035.

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Waste concrete is the most predominant constituent material among construction and demolition waste. Current waste concrete recycling is limited to the use of recycled concrete aggregates as a road-base material and less as aggregates in new concrete mixes. Further, the production of recycled concrete aggregates results in the generation of a high amount of fines, consisting mainly of cement paste particles. Hence, this study aims to produce the cement mortars using the upgraded recycled concrete aggregates (sand granulometry) for the total replacement of natural aggregates and recycled concre

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5

De Brabandere, Laurena, Vadim Grigorjev, Philip Van den Heede, Hannah Nachtergaele, Krist Degezelle, and Nele De Belie. "Using Fines from Recycled High-Quality Concrete as a Substitute for Cement." Sustainability 17, no. 4 (2025): 1506. https://doi.org/10.3390/su17041506.

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Concrete manufacturing and recycling must evolve to meet sustainability and carbon reduction demands. While the focus is often on reusing coarse aggregates, fine fractions are also produced during recycling. This study explores using ground fine fractions (0/2) as a partial cement substitute. The fines were characterized for their mineralogical, chemical, and physical properties, and experiments were conducted on pastes and mortars with 0% to 30% cement substitution, including isothermal calorimetry and strength tests. Two concrete mixes—a reference mix with natural aggregates and CEM I, and a

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6

Dahri, S. A., B. A. Memon, M. Oad, R. Bhanbhro, and I. A. Rahu. "Quality of Recycled Aggregates and Compressive Strength of No-Fines Recycled-Aggregate Concrete." Engineering, Technology & Applied Science Research 11, no. 5 (2021): 7641–46. http://dx.doi.org/10.48084/etasr.4349.

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This research paper presents the laboratory investigations of the compressive strength of no-fines concrete made with demolished waste as coarse aggregates used in percentages from 20% to 100%. The basic properties of aggregates were determined. Sieve analysis of both conventional and recycled aggregates was conducted to ensure the existence of well-graded aggregates in concrete. Nine concrete mixes were designed with an aggregate-cement ratio of 4. Additionally, three batches were prepared (conventional, recycled, conventional no-fines concrete) and the results were compared. For all mixes, t

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7

Bounouni, Sofiane, and Tounsia Boudina. "Durability characteristics of recycled high performance concretes under an aggressive environment (sea water)." Technium Social Sciences Journal 40 (February 8, 2023): 578–91. http://dx.doi.org/10.47577/tssj.v40i1.8417.

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With the increase of solid construction waste (CSW) due to the acceleration of urbanization in Algeria, many ecological and environmental issues have been raised. Recycling and reuse of construction waste helps to reduce pollution, carbon emissions and preserve resources. Few studies have focused on the durability characteristics of concretes based on fine aggregates recycled from brick and concrete waste. The main purpose of this study is to formulate and analyze the performance of HPC based on waste brick and concrete fines. The substitution of alluvial sand with brick fines, causes the redu

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8

Stuerwald, Simone, Ronny Meglin, Susanne Kytzia, and Sabrina Gilg. "Use of recycled concrete fines in cement and as aggregate." Acta Polytechnica CTU Proceedings 33 (March 3, 2022): 591–96. http://dx.doi.org/10.14311/app.2022.33.0591.

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The research project focused on investigating and optimizing the processing and use of recycled crushed sand 0/4 from concrete demolition waste, as an alternative raw material in the cement and concrete industry. Crushed sand is produced during the processing of concrete demolition waste. The goal was to identify the optimum way of using the processed material along the entire process chain so that greenhouse gas emissions, waste volumes are reduced, and natural resources are conserved. Different samples of laboratory and real crushed concrete fines were collected and examined in relation to v

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9

Mustafy, Tanvir, Md Maruf Hasan, Nayeem Ahmed Shuvo, and Joarder Md Sarwar Mujib. "Characterization of Mechanical Properties of Concrete Recycled Ceramic and Glass Powder Exposed to Elevated Temperatures." MIST INTERNATIONAL JOURNAL OF SCIENCE AND TECHNOLOGY 10 (June 26, 2022): 01–14. http://dx.doi.org/10.47981/j.mijst.10(01)2022.350(01-14).

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Systematic reuse of industrial debris is a crucial component that helps shape the sustainable construction system and green technology. The effective optimization of waste ceramic and glass fines into concrete mixes, as partial replacements of natural sand by volume, has been used in this study to explore the mechanical properties of ceramic recycled aggregate (CRA) and glass recycled aggregate (GRA) concrete at higher temperatures. The study comprises 17 types of concrete mixtures comprised of normal concrete (NC) along with 8 different mixes from both GRA and CRA concrete. In both types of G

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10

Sharaky, Ibrahim A., Ahmed S. Elamary, and Yasir M. Alharthi. "Effect of Waste Basalt Fines and Recycled Concrete Components on Mechanical, Water Absorption, and Microstructure Characteristics of Concrete." Materials 15, no. 13 (2022): 4385. http://dx.doi.org/10.3390/ma15134385.

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In this paper, the recycled fine aggregates and powders produced from crushing old basaltic concrete and natural basalt were used to produce new concrete. The sand was partially replaced by two types of recycled wastes at five percentages: 0%, 20%, 40%, 60%, and 80%. The cement was partially replaced by recycled powders and silica fume (SF) at four percentages: 0, 5%, 10%, and 20%. The concrete strengths and water absorption were obtained at several curing ages. The obtained results emphasized the positive effects of increasing the curing time on enhancing the concrete properties, regardless o

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11

Rahu, Ahsan Ali, Bashir Ahmed Memon, Mahboob Oad, Shakeel Ahmed Dahri, Abdul Raqeeb Memon, and Amjad Hussain Bhutto. "Assessment of the Flexural Strength of No-Fines Recycled Aggregate Concrete Prisms." Engineering, Technology & Applied Science Research 13, no. 1 (2023): 10067–72. http://dx.doi.org/10.48084/etasr.5458.

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This study investigated experimentally the flexural strength of no-fines recycled aggregate concrete, produced using 20-70% replacement of conventional coarse aggregates with coarse aggregates from demolished waste. Six prisms in each dosage with a 1:4 mix and 0.5 water-binder ratios were prepared. A batch of prisms with conventional aggregates was also cast to compare them with the proposed concrete. An equal number of samples were cured for 7 and 28 days and tested under a gradually increasing central point load to examine failure load, central deflection, and flexural strength. The comparis

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12

Zhang, Jiake, Liupeng Zhang, Boyang Xu, and Jie Yuan. "Influences of Carbonated Recycled Concrete Fines on Cement Hydration." Buildings 13, no. 4 (2023): 926. http://dx.doi.org/10.3390/buildings13040926.

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The preparation of recycled concrete aggregate generates a lot of fines, which are obstacles for implementing the recycled concrete aggregate. In this work, carbonation treatment is applied to improve the properties of recycled concrete fine, and the influences of carbonated recycled concrete fine (CRCF) on cement hydration process are evaluated. Both fresh and hardened properties of the cement paste samples replacing 0 to 30% of the CRCF are measured. The results reveal that the addition of CRCF obviously accelerates the hydration process of cement, especially during the early stage, and the

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13

Liu, Fu Ming, and Duan Yi Wang. "Influence of Material Properties on Hydraulic Conductivity and Strength of Aggregates Used for Pavement Base." Advanced Materials Research 446-449 (January 2012): 2641–45. http://dx.doi.org/10.4028/www.scientific.net/amr.446-449.2641.

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The hydraulic conductivity and strength of several aggregates (limestone, gravel and recycled concrete) are very important for pavement base construction. To study the influence of fines content on hydraulic conductivity and strength, constant/falling head permeability and CBR tests were performed. The results show that hydraulic conductivity exponentially decreases as fines content increases. Their values were also found to vary significantly as a function of aggregate type, gradation, and density. Particle degradation of recycled concrete aggregates is higher than crushed limestone and grave

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14

Fawzi, Ruaa Q., and Hadeel K. Awad. "The Influence of Polypropylene Fiber and Silica Fume on the Mechanical Properties of No-Fine Concrete with Recycled Aggregate." E3S Web of Conferences 427 (2023): 02002. http://dx.doi.org/10.1051/e3sconf/202342702002.

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No-Fines Concrete is a type of concrete produced without fine aggregate or sand. Because of its high porosity, it allows rainwater to seep into the ground, directly replenishing the groundwater aquifer. With a design load of three tons, no-fine concrete can be utilized as pavement for rural roads. Additionally, this type of concrete can be utilized as a sub-base material in both flexible and rigid pavements. Aside from No-Fines Concrete's permeability properties, asphalt overlays are another option. This research studied the impact of silica fume and polypropylene fiber on the properties of no

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15

Kim, Jinyoung, BooHyun Nam, Zachary Behring, and Baig Al Muhit. "Evaluation of Recementation Reactivity of Recycled Concrete Aggregate Fines." Transportation Research Record: Journal of the Transportation Research Board 2401, no. 1 (2014): 44–51. http://dx.doi.org/10.3141/2401-05.

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16

Bergmans, Jef, Hadi Kazemi Kamyab, Debabrata Ghosh, Peter Van Mierloo, Hilde Carens, and Peter Nielsen. "Carbonation of Recycled Concrete Aggregates for New Concrete and Concrete Fines to Make Cement-Free Hollow Blocks." Sustainability 16, no. 8 (2024): 3494. http://dx.doi.org/10.3390/su16083494.

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Mineral carbonation provides a way to increase the recycling of concrete waste in added-value products, and contributes to the principles of the circular economy. At present, most concrete waste is still downcycled. The high water absorption of recycled concrete aggregates, among other factors, impedes their recycling in the concrete industry. The quality of coarse recycled concrete aggregates (RCA) can, however, be enhanced by carbonation. Even when starting with high-grade RCA obtained from a selective demolition process, the carbonation process can decrease the water absorption of the RCA t

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17

Rabehi, Rachid, Mohamed Rabehi, and Mohammed Omrane. "Steel fiber's effects on the physical and mechanical characteristics of selfcompacting concrete (SCC) made of recycled gravel." International Conference on Scientific and Innovative Studies 1, no. 1 (2023): 295–301. http://dx.doi.org/10.59287/icsis.616.

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In order to adapt the concrete to structures with more complex and highly reinforced sections,research has been carried out in recent years in Japan with the aim of developing concrete formulationscharacterized by high workability while being stable. (Low segregation, bleeding, and compaction), withgood mechanical characteristics and durability. The culmination of this research has given rise to a newtype of concrete that can satisfy the properties mentioned above, called self-compacting concrete (SCC).SCC is characterized by its high volume of paste, a large amount of fines, the use of superp

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18

Mitchell, M. R., R. E. Link, Jiusu Li, and Zhaohui Liu. "Microanalysis of Recycled Coarse Aggregate and Properties of No-Fines Pervious Recycled Concrete." Journal of Testing and Evaluation 39, no. 5 (2011): 103417. http://dx.doi.org/10.1520/jte103417.

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19

Holeček, Petr, and Hana Stiborová. "Bacterially induced calcite formation at the surface of recycled concrete." Acta Polytechnica CTU Proceedings 40 (July 24, 2023): 33–38. http://dx.doi.org/10.14311/app.2023.40.0033.

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The construction industry is one of the main sources of greenhouse gas emissions, and portland cement production is responsible for approximately 8 % of anthropogenic CO2 emissions. Microbially induced calcium precipitation (MICP) has the potential to partially replace cement or modify the properties of materials that would otherwise not find use in construction, for example, in concrete recycling. MICP might be an environmentally friendly method to improve the properties of recycled aggregates and form conglomerates from the finest fractions. In this paper, factors influencing MICP’s ability

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20

Shen, Peiliang, Yangyang Zhang, Yi Jiang, et al. "Phase assemblance evolution during wet carbonation of recycled concrete fines." Cement and Concrete Research 154 (April 2022): 106733. http://dx.doi.org/10.1016/j.cemconres.2022.106733.

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21

Rabehi, Rachid, Rabehi Mohamed, and Omrane Mohammed. "Study of the durability of self-compacting concrete made from recycled gravel." Journal of Engineering and Exact Sciences 9, no. 4 (2023): 15927–01. http://dx.doi.org/10.18540/jcecvl9iss4pp15927-01e.

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Research has been carried out in Japan recently with the aim of creating concrete formulations characterized by high workability while being stable in order to adapt concrete to structures with more complex and heavily reinforced sections. (Low segregation, compaction, and bleeding) with strong mechanical properties. The result of this research is self-compacting concrete (SCC), a new type of concrete that can fulfill the aforementioned properties. SCC is distinguished by a high paste volume, a high fines volume, the use of superplasticizers, and a low gravel volume. Due to the increasing dema

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22

Shubham, Rajput, and Rathore Harsh. "A Systematic Review of Recycled Aggregate Concrete towards Sustainable Construction." Journal of Transportation Engineering and Traffic Management 5, no. 1 (2024): 13–19. https://doi.org/10.5281/zenodo.10725735.

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<em>This literature review traces the evolution of recycled aggregate use in concrete production, beginning with Germany's post-World War II recycling initiatives. The shift towards recycling in the USA, driven by resource concerns, led to the establishment of concrete aggregate specifications in 1982. The review underscores the importance of recycled aggregate characteristics, particularly water absorption, specific gravity, and adhered mortar content, in determining its impact on concrete properties. Notably, variations in aggregate size influence water absorption and concrete strength. The

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23

Rihia, Chaher, and Houria Hebhoub. "The percentage effect of slag on the behavior of a high performance concrete." MATEC Web of Conferences 330 (2020): 01040. http://dx.doi.org/10.1051/matecconf/202033001040.

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The purpose of this study is to determine the feasibility of the partial replacement of cement with recycled fines in a high performance concrete whose purpose is to minimize the use of Portland cement and reduce the environmental impact of this waste. In the context of which, we used the fines of the granulated slag from El Hadjar-Annaba as a partial replacement of cement with substitution rates of 10, 15, 20%, and to study the behaviour in the fresh state (density and workability) and the mechanical performances (compressive and flexural tensile strength) and dimensional variation in the cur

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24

Boudina, Tounsia, Dalila Benamara, and Rebih Zaitri. "Optimization of High-Performance-Concrete properties containing fine recycled aggregates using mixture design modeling." Frattura ed Integrità Strutturale 15, no. 57 (2021): 50–62. http://dx.doi.org/10.3221/igf-esis.57.05.

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This investigation means to predict and modeling the fresh and hardened concrete behavior containing fine aggregates from concrete and brick wastes, for different recycled aggregates substitution rates. To succeed this, the design of experiments DOE method was used. It is observed that slump of recycled concrete is significantly influenced by the content in recycled concrete aggregates (RCA), natural sand (NS) and recycled brick aggregates (RBA), respectively.The compressive strength (CS) reaches a maximum value of 83.48 MPa with factors values of 25% RBA, and 75% RCA. And HPC’s based on RBA s

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25

Gosk, Edyta, Katarzyna Kalinowska-Wichrowska, Marta Kosior-Kazberuk, et al. "The Basic Properties of Lightweight Artificial Aggregates Made with Recycled Concrete Fines." Sustainability 16, no. 20 (2024): 9134. http://dx.doi.org/10.3390/su16209134.

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The production of lightweight aggregate based on waste is an important step towards sustainable and ecological construction. It contributes to reducing the negative impact of the construction sector on the environment by reducing the consumption of natural raw materials and reducing waste of various origins, including rubble concrete. The physical and mechanical properties, including grain shape index, water absorption, bulk density, resistance to crushing, frost resistance, leachability of heavy metals, and porosity of lightweight artificial aggregate made from rubble concrete waste (KRC) wer

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26

Federowicz, Karol, Krzysztof Cendrowski, and Paweł Sikora. "Low-carbon cementitious composite incorporated with biochar and recycled fines suitable for 3D printing applications: hydration, shrinkage and early-age performance." Frattura ed Integrità Strutturale 19, no. 71 (2024): 91–107. http://dx.doi.org/10.3221/igf-esis.71.08.

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In recent years, the construction industry has witnessed significant advancements in concrete technology, particularly with the integration of 3D printing in cement-based materials. While this innovation offers promising opportunities for the sector, the high binder and fine particle content of 3D printing mixes presents a substantial environmental challenge due to their considerable carbon footprint. To mitigate this impact, strategies often involve substituting portions of the binder or aggregate with waste materials. This article presents a comparative analysis of two promising approaches t

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27

Ren, Pengfei, Bo Li, Jin-Guang Yu, and Tung-Chai Ling. "Utilization of recycled concrete fines and powders to produce alkali-activated slag concrete blocks." Journal of Cleaner Production 267 (September 2020): 122115. http://dx.doi.org/10.1016/j.jclepro.2020.122115.

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28

Al-Obaidi, Z. A. "Properties of no-fines recycled aggregate concrete contains waste plastic fibers." Journal of Physics: Conference Series 1895, no. 1 (2021): 012012. http://dx.doi.org/10.1088/1742-6596/1895/1/012012.

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29

Wang, Liang, Jialai Wang, Hao Wang, et al. "Eco-friendly treatment of recycled concrete fines as supplementary cementitious materials." Construction and Building Materials 322 (March 2022): 126491. http://dx.doi.org/10.1016/j.conbuildmat.2022.126491.

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30

Wu, Yuqing, Hamideh Mehdizadeh, Kim Hung Mo, and Tung-Chai Ling. "High-temperature CO2 for accelerating the carbonation of recycled concrete fines." Journal of Building Engineering 52 (July 2022): 104526. http://dx.doi.org/10.1016/j.jobe.2022.104526.

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31

Jiang, Yi, Ligang Peng, Zihan Ma, Jian-xin Lu, Peiliang Shen, and Chi Sun Poon. "Enhancing the treatment efficiency of recycled concrete fines with aqueous carbonation." Cement and Concrete Research 174 (December 2023): 107338. http://dx.doi.org/10.1016/j.cemconres.2023.107338.

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32

Mao, Yuguang, Zhenguo Shi, Xiang Hu, Amani Khaskhoussi, and Caijun Shi. "Chloride binding of cement paste containing wet carbonated recycled concrete fines." Cement and Concrete Research 191 (May 2025): 107823. https://doi.org/10.1016/j.cemconres.2025.107823.

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33

Chang, Ching Jung, and Yung Chen Chang. "Extra-Lightweight No-Fines Cellular Concrete – Use for Non-Structural Material." Advanced Materials Research 834-836 (October 2013): 713–19. http://dx.doi.org/10.4028/www.scientific.net/amr.834-836.713.

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Overexploitation has led to the destruction of resources and endangered ecological environments. Therefore, research for renewable material has become more important in the construction industry. This study used sintered lightweight aggregate made of clay to replace the coarse and fine aggregate and processed aluminum-wastage to make the foaming agents for cement, producing a brand-new extra-lightweight expanded no-fines cellular concrete. The cellular concrete not only utilizes recycled materials, but also produces an environment-friendly, green building material. Validated throughout the exp

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34

Gorgis, Ikbal, Whab Faleh Abd, and Shaker Al-Mishhadani. "Acidic solution effects on no-fines concrete produced by using recycled concrete as coarse aggregate." MATEC Web of Conferences 162 (2018): 02002. http://dx.doi.org/10.1051/matecconf/201816202002.

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This paper investigates durability of no fine concrete containing demolished concrete as coarse aggregate after crushing to different sizes. Different no fine concrete mixes were considered using Portland cement type I with two types of coarse aggregates, crushed demolished concrete and crushed natural gravel were used with two ratios by weight (1:5 and 1:7) C/Agg. Graded aggregate and single size were used with a maximum size of 20 mm. W /C ratio was kept as 0.4 for all mixes and super-plasticizer was required to keep the same flow and compaction factor value for all mixes. Cube specimens wit

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35

Nitin, Jain, and Verma Ashish. "To Study Characterstic Behaviour of Recycled Concrete Aggregate." International Journal of Trend in Scientific Research and Development 3, no. 6 (2019): 1153–57. https://doi.org/10.5281/zenodo.3589475.

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Near about 30 of concrete is produce by concrete industry and it is calculated that in a year 165 million tonnes of concrete is used. Hence, to produce other total sources that are based on waste products, there are many significant incentives. Recycling products are used to produce aggregate Martials for unbound fills, pipe bidding and sub base as the RCA "Recycled Concrete Aggregate" or RCA is not suitable for concrete that is ready to mix because it is blended with another products. Many sites did trials with RCA that mix with ready mix concrete but it was not useful choice. Utili

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36

Rajiuddin, Mohammad, and Mohibullah Mohibullah. "Experimental Study on Pervious Concrete Pavement Using Recycled Material and Superplasticizer." Praxis International Journal of Social Science and Literature 4, no. 5 (2021): 54–62. https://doi.org/10.51879/pijssl/040507.

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The importance of pervious pavement concrete in reducing urban stormwater runoff and improving water quality is growing. Water and air can easily percolate through it that reduces the chances of inundation. The pervious concrete contains coarse aggregate including recycled coarse aggregate, the role of super plasticizer which enhance the compressive strength by reducing the water. One percent superplasticizer can reduce the water up to 20% to 40%. Concrete can sustain high strength in compression due to its voids; 10-25 percent of voids stand as its exceptional characteristics in good compress

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37

Cuong, Tran Viet, Ken Kawamoto, Tran Thi Viet Nga, and Nguyen Hoang Giang. "Mechanical properties of synthetic aggregate pelletized by waste concrete fines in Vietnam." Journal of Science and Technology in Civil Engineering (STCE) - HUCE 17, no. 2 (2023): 1–8. http://dx.doi.org/10.31814/stce.huce2023-17(2)-01.

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Due to rapid industrialization and economic growth, the generation of construction and demolition waste (CDW) from the activities of demolishing buildings is increasing in Vietnam. The Vietnamese Government has regulations on recycling and collecting CDW for reuse, recycling to environmental protection through Circular No. 08/2017/TT-BXD in 2017, and Directive 41/CT-TTg in 2020. Waste concrete fines (WCF) are generated during demolishing process or crushing of CDW materials. To save natural resources and increase the recycling rate, a disc pelleting technology has been used to recycle WCF. The

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38

Boudali, S., D. E. Kerdal, K. Ayed, B. Abdulsalam, and A. M. Soliman. "Performance of self-compacting concrete incorporating recycled concrete fines and aggregate exposed to sulphate attack." Construction and Building Materials 124 (October 2016): 705–13. http://dx.doi.org/10.1016/j.conbuildmat.2016.06.058.

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39

A. Salih, Sh, I. N. Gorgis, and W. F. Abd. "Some Properties of No-Fines Concrete Produced by Using Demolished Concrete as Recycled Coarse Aggregate." Engineering and Technology Journal 35, no. 7 (2017): 741–48. http://dx.doi.org/10.30684/etj.35.7a.10.

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40

Mobili, Alessandra, Chiara Giosuè, Valeria Corinaldesi, and Francesca Tittarelli. "Bricks and Concrete Wastes as Coarse and Fine Aggregates in Sustainable Mortars." Advances in Materials Science and Engineering 2018 (September 16, 2018): 1–11. http://dx.doi.org/10.1155/2018/8676708.

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The total substitution by volume of natural coarse calcareous aggregate by coarse recycled brick aggregate (RBA) and coarse recycled concrete aggregate (RCA) has been investigated to produce more sustainable and environment-friendly mortars. Aggregates were also partially substituted by their fines at 12.5% by volume. Mortars have been tested in terms of mechanical, microstructural, and durability properties. Results show that it is feasible to replace a natural calcareous aggregate entirely by recycled aggregates. In particular, the obtained mortars, even if more porous and more prone to the

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41

Pawluczuk, Edyta, Katarzyna Kalinowska-Wichrowska, and Mahfooz Soomro. "Alkali-Activated Mortars with Recycled Fines and Hemp as a Sand." Materials 14, no. 16 (2021): 4580. http://dx.doi.org/10.3390/ma14164580.

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Nowadays, effective and eco-friendly ways of using waste materials that could replace natural resources (for example, sand) in the production of concrete composites are highly sought. The article presents the results of research on geopolymer composites produced from two types of waste materials—hemp and fine fractions recovered from recycled cement concrete, which were both used as a replacement for standard sand. A total of two research experiments were conducted. In the first experiment, geopolymer mortars were made using the standard sand, which was substituted with recycled fines, from 0%

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42

Belebchouche, Cherif, Oussama Temami, Mohamed Lyes Kamel KHOUADJIA, Salim Hamlaoui, Amirouche Berkouche, and Tarek Chouadra. "Recycling of Brick and Road Demolition Waste in the Production of Concrete." Science, Engineering and Technology 4, no. 2 (2024): First. http://dx.doi.org/10.54327/set2024/v4.i2.154.

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Construction and public works sites generate a significant amount of waste that is often costly to dispose of. To reduce the environmental impact and promote sustainability, recycling and recovering this waste is increasingly being recognized as a viable solution. This paper presents the findings of an experimental program investigating the feasibility of using brick and road demolition waste as concrete components. By substituting a portion of sand and cement with recycled materials, this study compares the properties of the reference concrete with concrete containing varying amounts of brick

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43

Saiz Martínez, Pablo, Daniel Ferrández, Alberto Melane-Lavado, and Alicia Zaragoza-Benzal. "Characterization of Three Types of Recycled Aggregates from Different Construction and Demolition Waste: An Experimental Study for Waste Management." International Journal of Environmental Research and Public Health 20, no. 4 (2023): 3709. http://dx.doi.org/10.3390/ijerph20043709.

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Achieving sustainable management and efficient use of natural resources stands out as one of the goals included in the Goals for Sustainable Development in the 2030 Agenda. The construction sector is currently far from presenting an efficient model in terms of treating waste generated by it. Variations in the physical and chemical properties of recycled aggregates coming from construction and demolition waste are one of the main reasons of their limited use in the production of construction materials. This research presents a physicochemical characterization of three different types of recycle

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44

Oksri-Nelfia, L., P.-Y. Mahieux, O. Amiri, Ph Turcry, and J. Lux. "Reuse of recycled crushed concrete fines as mineral addition in cementitious materials." Materials and Structures 49, no. 8 (2015): 3239–51. http://dx.doi.org/10.1617/s11527-015-0716-1.

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45

Li, Junxia, and En-Hua Yang. "Macroscopic and microstructural properties of engineered cementitious composites incorporating recycled concrete fines." Cement and Concrete Composites 78 (April 2017): 33–42. http://dx.doi.org/10.1016/j.cemconcomp.2016.12.013.

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46

Teune, I. E., and K. Schollbach. "Triethanolamine-promoted separation of calcium from recycled concrete fines during aqueous carbonation." Resources, Conservation and Recycling 206 (July 2024): 107604. http://dx.doi.org/10.1016/j.resconrec.2024.107604.

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47

Fawzi, Ruaa Qassim, and Hadeel Khalid Awad. "Effect of Silica Fume on Some Properties of No-Fine Concrete with Recycled Coarse Aggregate." Journal of Engineering 30, no. 03 (2024): 46–59. http://dx.doi.org/10.31026/j.eng.2024.03.04.

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No-fines Concrete is a lightweight porous concrete produced by omitting sand from the traditional concrete mix. It helps replenish the groundwater aquifer by directly allowing precipitation to seep into the earth thanks to its wide pores. This work studied the influence of partially replacing cement with silica fume (SF) with percentages of 5, 8, and 10% on some properties of no-fine concrete made using recycled coarse aggregate. The natural coarse aggregate (NA) was replaced with 10%, 20%, and 30% by crushed reactive powder concrete waste volume as recycled aggregate (RA). The optimum percent

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48

Zhang, X. Y., M. X. Fan, Y. X. Zhou, D. D. Ji, J. H. Li, and R. Yu. "Development of a sustainable alkali activated ultra-high performance concrete (A-UHPC) incorporating recycled concrete fines." Journal of Building Engineering 67 (May 2023): 105986. http://dx.doi.org/10.1016/j.jobe.2023.105986.

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49

Zaharieva, Roumiana, Daniel Evlogiev, Nikolay Kerenchev, and Tsveta Stanimirova. "Modification of Quaternary Clays Using Recycled Fines from Construction and Demolition Waste." Processes 10, no. 6 (2022): 1062. http://dx.doi.org/10.3390/pr10061062.

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Foundation of buildings in soft soil such as quaternary clay is often associated with difficult compaction, settlement, non-uniform and/or excessive deformation, and unsatisfactory shear resistance. The present study aims to assess the possibility of using recycled fines from construction and demolition waste, such as mechanically treated gypsum and waste concrete powder (WCP), instead of ordinary binders or industrial waste, in the stabilization of quaternary clay. A detailed characterization of soil components is presented. Seven mixes with various proportions of gypsum and WCP are prepared.

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50

Han, Tianjun, Diego Aponte, Susana Valls, and Marilda Barra Bizinotto. "Impact of Recycled Concrete and Ceramic Fillers on the Performance of Cementitious Systems: Microstructural, Mechanical, and Durability Aspects." Recycling 10, no. 3 (2025): 108. https://doi.org/10.3390/recycling10030108.

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Cement production is a major contributor to CO2 emissions, while construction and demolition waste (CDW) presents growing environmental challenges. The new European standard UNE-EN 197-6 permits the use of recycled concrete fines as partial clinker replacements, providing a regulatory framework for integrating CDW into cementitious systems. This study investigates two CDW-derived fillers, FHH (recycled concrete filler) and FHC (recycled ceramic–concrete mixed filler), as partial substitutes for ordinary Portland cement (OPC). The materials were characterized using XRD, XRF, FTIR, and particle

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