Relevant bibliographies by topics / Fly ash nanoparticles

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Fly ash nanoparticles'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Fly ash nanoparticles"

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Markov, Pavel, Georgi Chernev, Diana Nintianova, Nadezhda Kazakova, and Hristo Karakostov. "SYNTHESIS AND CHARACTERIZATION OF NANOPARTICLES FROM COAL FLY ASH." Journal of Chemical Technology and Metallurgy 59, no. 6 (2024): 1437–41. http://dx.doi.org/10.59957/jctm.v59.i6.2024.20.

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In this study, amorphous nanoparticles were extracted from fly ash using a sol-gel method. The obtained nanoparticles were characterized using XRF spectroscopy, XRD, FT-IR and TEM. The XRD curves show the presence of both crystalline and amorphous phases. FT-IR analysis indicated the presence of silanol and siloxane groups. Upon analysis, the primary nanoparticles were found to exhibit a roughly spherical shape with an average size of approximately 65 nm. The findings of this study demonstrate the feasibility of applying the sol-gel method to synthesize nanoparticles derived from coal fly ash
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Kirithika, M., and V. K. Stalin. "Study on the Strength Behavior of Soil with Nano Fly Ash and Nano Cement." Advanced Science Letters 24, no. 8 (2018): 5633–35. http://dx.doi.org/10.1166/asl.2018.12165.

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Nanotechnology is the science that deals with the particles which are less than 100 nm. The size of the nanoparticles plays a crucial role in behavior of soil exhibiting different properties. Use of nanoparticles in stabilization influences shear strength, dry density of the soil and makes more reactive to soil because of its high specific surface area. In this investigation, an attempt is made to investigate the influence of ball milled nano fly ash and nano cement particles in the improvement of soil. Different combinations of percentage were selected in the range of non-nano fly ash (10%, 2
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WETCHAKUN, N., and S. PHANICHPHANT. "SYNTHESIS AND CHARACTERIZATION OF TITANIUM DIOXIDE NANOPARTICLES COATED ON FLY ASH." International Journal of Nanoscience 05, no. 04n05 (2006): 657–62. http://dx.doi.org/10.1142/s0219581x06004942.

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Titanium dioxide ( TiO 2) nanoparticles in the anatase phase were coated on fly ash by using a sol–gel method. The TiO 2 nanoparticles coated on fly ash were produced from titanium tetraisopropoxide ( Ti ( OPr i )4 3.3 M ) in absolute ethanol, and the fly ash was added into this alcoholic solution. The ratio of TiO 2 nanoparticles to fly ash in the coating process was 1:10 by weight. The ethanolic solution was loaded into a pouch type cellophane membrane and placed for 1 h in a clear solution which containing 1:1 (v/v) ratio of absolute ethanol and distilled water with 0.5–1% concentrated (25%
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Kumari Vishnu Prabhakar, Shalini. "Silica Nanoparticles from Sugarcane Bagasse Fly Ash: Converting Waste to Wealth." International Journal of Science and Research (IJSR) 12, no. 4 (2023): 1552–58. http://dx.doi.org/10.21275/sr23425113104.

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Robiansyah, Yohandri Bow, and Tresna Dewi. "Synthesis and Characterization of Silicon Nanoparticles from Coal Fly Ash Using Ultrasonication as a Battery Anode." International Journal of Research in Vocational Studies (IJRVOCAS) 4, no. 2 (2024): 23–32. http://dx.doi.org/10.53893/ijrvocas.v4i2.282.

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Fly ash, a byproduct of coal combustion, is rich in silica, alumina, and other minerals, making it a valuable resource for extracting high-purity silicon. The synthesis of silicon nanoparticles from coal fly ash involves several critical steps, including the extraction of silica (SiO2) via the sol-gel method, reduction of silica to silicon using the metallothermic method, and subsequent ultrasonication to achieve nanoscale particles. Studies have shown that fly ash can contain up to 49.21% silica, which can be further purified to 93.52% via chemical extraction methods such as acid leaching and
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Yadav, Virendra Kumar, and Madhusudan Hiraman Fulekar. "Advances in Methods for Recovery of Ferrous, Alumina, and Silica Nanoparticles from Fly Ash Waste." Ceramics 3, no. 3 (2020): 384–420. http://dx.doi.org/10.3390/ceramics3030034.

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Fly ash or coal fly ash causes major global pollution in the form of solid waste and is classified as a “hazardous waste”, which is a by-product of thermal power plants produced during electricity production. Si, Al, Fe Ca, and Mg alone form more than 85% of the chemical compounds and glasses of most fly ashes. Fly ash has a chemical composition of 70–90%, as well as glasses of ferrous, alumina, silica, and CaO. Therefore, fly ash could act as a reliable and alternative source for ferrous, alumina, and silica. The ferrous fractions can be recovered by a simple magnetic separation method, while
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Fan, Huiming, Helong Song, Yuqing Rao, et al. "Effect of calcium hydroxide concentration and stirring rate on the crystallization of the calcium carbonate on the surface of fly ash." BioResources 13, no. 3 (2018): 7017–25. http://dx.doi.org/10.15376/biores.13.3.7017-7025.

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To improve the whiteness of fly ash, fly ash was prepared using calcium hydroxide, water, and carbon dioxide as the reaction system to coat calcium carbonate crystals on the surface of the fly ash. This study investigated the effect of the calcium hydroxide content and stirring rate on the crystallization of the calcium carbonate on the fly ash surface. The results showed that the calcium carbonate nanoparticles prepared with a 7% calcium hydroxide concentration and stirring rate of 500 rpm were coated on the surface of the fly ash, and the whiteness of the modified fly ash reached a maximum o
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Khan, Masudulla, Azhar U. Khan, Il Soo Moon, et al. "Synthesis of biogenic silver nanoparticles from the seed coat waste of pistachio (Pistacia vera) and their effect on the growth of eggplant." Nanotechnology Reviews 10, no. 1 (2021): 1789–800. http://dx.doi.org/10.1515/ntrev-2021-0107.

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Abstract Herein, the synthesis of silver nanoparticles using extracts of pistachio seed coat waste is investigated. The surface plasmon resonance peak at 443 nm was observed in the nanoparticles by using ultraviolet-visible spectroscopy (UV-Vis). To identify potential biomolecules involved in the bio-reduction of silver ions, Fourier-transform infrared spectroscopy (FTIR) was used. Scanning and transmission electron microscopy (SEM and TEM) show irregular shapes with an average size of ∼20 nm. The active surface determined by Brunauer, Emmett, and Teller analysis was 22 m2/g. The effect of sil
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Visa, Maria, Mihaela Cosnita, Macedon Moldovan, Cosmina Andreea Marin, and Maria Mihaly. "Fly Ash Waste Recycling by Pt/TiO2 Incorporation for Industrial Dye Removal." International Journal of Environmental Research and Public Health 18, no. 8 (2021): 3887. http://dx.doi.org/10.3390/ijerph18083887.

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New materials are obtained by transforming fly ash wastes into a valuable composite, with tandem adsorption and photodegradation properties. Mild hydrothermal synthesis, from titanium dioxide, platinum nanoparticles and zeolite materials obtained from a waste, fly ash, as support, was involved in the composite preparation. The platinum nanoparticles extended the photocatalytic activity of the composite in visible range (Eg = 2.1 eV). The efficiency of tandem adsorption and photocatalytic activity of the new composite were determined to be 25% for Bemacid Blau and 43.89% for Bemacid Rot after 3
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Alam, Javed, Virendra Kumar Yadav, Krishna Kumar Yadav, et al. "Recent Advances in Methods for the Recovery of Carbon Nanominerals and Polyaromatic Hydrocarbons from Coal Fly Ash and Their Emerging Applications." Crystals 11, no. 2 (2021): 88. http://dx.doi.org/10.3390/cryst11020088.

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Coal fly ash is found to be one of the key pollutants worldwide due to its toxic heavy metal content. However, due to advancements in technology, coal fly ash has gained importance in various emerging fields. They are rich sources of carbonaceous particles which remain unburnt during burning of various coals in thermal power plants (TPPs). Various carbonaceous nanoparticles in the form of fullerenes, soot, and carbon nanotubes could be recovered from coal fly ash by applying trending techniques. Moreover, coal fly ash is comprised of rich sources of organic carbons such as polycyclic and polya
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Dissertations / Theses on the topic "Fly ash nanoparticles"

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Rahman, Md Mahbubur. "Durability of nano-modified fly ash concrete to external sulfate attack under different environmental conditions." Canadian Society for Civil Engineering (CSCE), 2014. http://hdl.handle.net/1993/24055.

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There are still research gaps regarding the effects of key parameters such as water-to-cementitious materials ratio (w/cm), type of binder and pore structure characteristics on the response of concrete to special forms of sulfate attack: physical salt attack (PSA) and thaumasite sulfate attack (TSA). Hence, this study aims at developing an innovative type of concrete: nano-modified fly ash concrete, incorporating various dosages of nano-silica (NS) or nano-alumina (NA) and fly ash, and explores its efficiency in resisting various forms of sulfate attack.
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Labaj, Martin. "Betony s vysokoteplotními popílky aktivovanými nanočásticemi." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240266.

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The aim of this thesis is to summarize the knowledge regarding reduction of negative impact of high volumes of fly ash in HVFA concretes using nanotechnology and experimentally verify the findings. To compensate the inferior early-age properties, it is possible to use active nanoparticles, such as nanosilica or nanolimestone. The first step of the experiment was the production of stable nanoparticle’s dispersions using ultrasonic homogenization and UV/Vis spectroscopy. In subsequent steps the influence of nanoparticle’s presence on cementitious materials’ properties was verified on cement past
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Hariz, Tarek Rafic. "Nanoparticle-stabilized CO₂ foams for potential mobility control applications." 2012. http://hdl.handle.net/2152/22351.

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Carbon dioxide (CO₂) flooding is the second most common tertiary recovery technique implemented in the United States. Yet, there is huge potential to advance the process by improving the volumetric sweep efficiency of injected CO₂. Delivering CO₂ into the reservoir as a foam is one way to do this. Surfactants have traditionally been used to generate CO₂ foams for mobility control; however, the use of nanoparticles as a foam stabilizing agent provides several advantages. Surfactant-stabilized foams require constant regeneration to be effective, and the surfactant is adsorbed onto reservoir rock
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Book chapters on the topic "Fly ash nanoparticles"

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Soto-Pérez, Linoshka, Natalia Vázquez, Omar Molina, Minju Jo, and Sangchul Hwang. "Effect of Iron-Oxide Nanoparticles on the Durability of Fly Ash Cement Paste." In Nanotechnology in Construction. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-17088-6_62.

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Singh, L. P., D. Ali, and U. Sharma. "Performance and Durability of High Volume Fly Ash Cementitious System Incorporating Silica Nanoparticles." In RILEM Bookseries. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-2806-4_61.

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Swistun, Eugeniusz, A. Santhana Krishna, and Tomasz Bajda. "Magnetic Nanoparticles Decorated with Synthetic Zeolite Derived from Coal Fly Ash: Application to Removal of Heavy Metals and Organic Dyes." In Lecture Notes in Civil Engineering. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-63357-7_24.

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Nguyen, Tan No, Huu Quoc Phong Le, and Anh Tuan Le. "Activation of Nanoparticle and Alkaline Environment on Fly Ash Geopolymer Mortar." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-3303-5_29.

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Narayanasamy, P. "Potential and Futuristics of Fly Ash Nanoparticle Technology in Pest Control in Agriculture and Synthesis of Chemical and Herbal Insecticides Formulations." In Circular Economy and Fly Ash Management. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-0014-5_7.

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Choudhary, Nisha, Virendra Kumar Yadav, Parth Malik, et al. "Recovery of Natural Nanostructured Minerals." In Handbook of Research on Emerging Developments and Environmental Impacts of Ecological Chemistry. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-1241-8.ch021.

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Nanotechnology is playing an important role in every field of science, medicine, electronics, catalysis, and environmental cleanup. Due to the high demand of nanoparticles, it is synthesized at commercial level by chemical and physical methods, which are expensive and energy intensive. The recovery of natural nanoparticles from the waste materials makes the process cost-effective and simultaneously reduces pollution. Fly ash or coal fly ash (CFA), a by-product of thermal power plants in-houses numerous natural nanoparticles like ferrospheres, plerospheres, cenospheres, and carbon nanoparticles
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Singh, Sugandha, Manas K. Ghorai, and Kamal K. Kar. "Extraction of silicon in the form of nanoparticles and nanorods from coal fly ash." In Handbook of Fly Ash. Elsevier, 2022. http://dx.doi.org/10.1016/b978-0-12-817686-3.00008-6.

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Yadav, Virendra Kumar, Nisha Choudhary, Samreen Heena Khan, et al. "Synthesis and Characterisation of Nano-Biosorbents and Their Applications for Waste Water Treatment." In Handbook of Research on Emerging Developments and Environmental Impacts of Ecological Chemistry. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-1241-8.ch012.

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Nanotechnology is one of the most reliable techniques for the remediation of heavy metals. As nanoparticles have a higher surface area to volume, ratio, and high surface energies, so nano-based absorbents are very efficient. Adsorption technique is the most preferred for the remediation of wastewater pollutants. In the current study, a comparative study was done between bio sorbents, nanosorbents and bio nanosorbents. The chapter studies with the synthesis and characterization of the bio sorbents, bionanosorbents, their mechanism of sorption, their synthesis, in addition, application for the r
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Shaikh, F. U. A., and S. W. M. Supit. "Compressive strength and durability of high-volume fly ash concrete reinforced with calcium carbonate nanoparticles." In Fillers and Reinforcements for Advanced Nanocomposites. Elsevier, 2015. http://dx.doi.org/10.1016/b978-0-08-100079-3.00011-9.

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Roy, Plabani, and Moumita Ash. "INFLUENCE OF SILICON ON PLANT UPTAKE OF HEAVY METALS AND METALLOID FROM SOIL." In Futuristic Trends in Agriculture Engineering & Food Sciences Volume 2 Book 9. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2023. http://dx.doi.org/10.58532/v2bs9ch10.

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The second-most common element in the crust of the earth is silicon, performs a variety of beneficial roles in soils and plants. It helps to reduce a variety of biotic (diseases and pest insects) and abiotic pressures (salt, drought and heavy metals).Si influences the heavy metal and metalloid uptake by plants through different mechanisms including (1) Si bioavailability in soil is influenced by biological factors, (2) by altering the soil's properties, (3) heavy metal co-precipitation, (4) heavy metals being changed into less solubility forms, (5) root architecturemodification, (6) controllin
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Conference papers on the topic "Fly ash nanoparticles"

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Wang, Wuchao, Xiaohu Dong, Huiqing Liu, et al. "Fly Ash Nanoparticle-Stabilized Emulsions for Improve Mobility Control Application." In SPE EuropEC - Europe Energy Conference featured at the 83rd EAGE Annual Conference & Exhibition. SPE, 2022. http://dx.doi.org/10.2118/209646-ms.

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Abstract Nanoparticles have demonstrated their capacity to increase emulsion stability by forming what is known as a Pickering emulsion, which is predicted to improve EOR processes by improving conformity control. The goal of this work is to develop a novel way of beneficially utilizing the main waste product from coal power-generation plants - fly ash - by generating fly ash nanoparticle-stabilized emulsions for improved mobility control, especially under high-salinity conditions. First, the ball-milling method was used to decrease the grain size of fly ash, which was too big for injection in
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Raj, A., and A. Anand. "Enhancing Foam Stability by Fly Ash Nanoparticles." In 78th EAGE Conference and Exhibition 2016. EAGE Publications BV, 2016. http://dx.doi.org/10.3997/2214-4609.201600924.

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Eftekhari, Ali Akbar, Rumen Krastev, and Rouhi Farajzadeh. "Foam Stabilized by Fly-Ash Nanoparticles for Enhancing Oil Recovery." In SPE Kuwait Oil and Gas Show and Conference. Society of Petroleum Engineers, 2015. http://dx.doi.org/10.2118/175382-ms.

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Ukoba, Kingsley, Samuel Popoola, Olatunde Israel, Patrick Imoisili, and Tien-Chien Jen. "Development and Characterization of Fly Ash Nanoparticles Reinforced Epoxy Resin Composite for Acoustic Applications." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23708.

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Abstract Noise is an unwanted sound; requires reduction and control through the use of absorptive materials. This is imperative due to the adverse effect noise poses to human health, knowledge dissemination, and tranquility which is increasing daily due to industrialization and heightened allied activities. The use of natural and synthetic reinforced composites in noise pollution control is an emerging area of research. This study aims to develop and characterize fly ash nanoparticles reinforced epoxy resin composite for acoustic applications. Samples were prepared with fly ash nanoparticles r
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Ramadhani, Gadis Wahyu, Syahrir Ridha, Astra Agus Pramana, Dara Ayuda Maharsi, Mohammad Yusuf, and Hussameldin Ibrahim. "The Effect of Fly Ash Nanoparticles on Foam Stability for CO2 Flooding." In International Conference on Industrial, Manufacturing, and Process Engineering. MDPI, 2025. https://doi.org/10.3390/engproc2024076111.

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Elryes, Ahmed Abdulla. "Enhancing Co2 adsorption in sandstone formation using fly ash nanoparticles: A geo-sequestration approach." In Decarbonization Technology: ICDT2024. Materials Research Forum LLC, 2025. https://doi.org/10.21741/9781644903575-5.

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Abstract. A primary environmental concern making global warming worse is the continuous release of CO2 into the atmosphere. One feasible approach to this issue is the geo-sequestration of CO2 involving CO2 adsorption and sequestration in saline aquifer formations. This study explores the possibility of improving CO2 adsorption in sandstone formations by using fly ash nanoparticles, a by-product. Pre- and post-nano-treated Berea sandstone samples are tested for CO2 adsorption at pressures ranging from 0.1 to 10 MPa, temperature of 40°C, and salinity of 10 wt% NaCl. High-pressure-temperature vol
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Singh, Robin, Abhay Gupta, Kishore K. Mohanty, Chun Huh, Daeyang Lee, and Heechan Cho. "Fly Ash Nanoparticle-Stabilized CO2-in-Water Foams for Gas Mobility Control Applications." In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2015. http://dx.doi.org/10.2118/175057-ms.

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Reports on the topic "Fly ash nanoparticles"

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Huang, Dan, Mirian Velay-Lizancos, and Jan Olek. Improving Scaling Resistance of Pavement Concrete Using Titanium Dioxide (TiO2 ) and Nanosilica. Purdue University, 2022. http://dx.doi.org/10.5703/1288284317583.

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This project focused on the evaluation of the influence of nanoadditives on the hydration kinetics, mechanical properties, and durability of concretes with and without supplementary cementitious materials (SCMs). The types of nanomaterials used in the course of this study included nano-titanium dioxide (nano-TiO2) and two forms of nanosilica. A series of experimental tasks, including fabrication, curing, and conditioning of specimens, microstructure analysis, mechanical strength testing, and durability testing were conducted in the laboratory. Based on experimental results, it can be concluded
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