Search Results - "Cement and concrete research"

Eco-efficient cements: Potential economically viable solutions for a low-CO2 cement-based materials industry by Scrivener, Karen L., John, Vanderley M., Gartner, Ellis M.

“…The main conclusions of an analysis of low-CO2, eco-efficient cement-based materials, carried out by a multi-stakeholder working group initiated by the United…”
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Alkali-activated materials by Provis, John L.

“…This paper, which forms part of the UNEP White Papers series on Eco-Efficient Cements, provides a brief discussion of the class of cementing materials known as…”
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3D printing using concrete extrusion: A roadmap for research by Buswell, R.A., Leal de Silva, W.R., Jones, S.Z., Dirrenberger, J.

“…Large-scale additive manufacturing processes for construction utilise computer-controlled placement of extruded cement-based mortar to create physical objects…”
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Cemdata18: A chemical thermodynamic database for hydrated Portland cements and alkali-activated materials by Lothenbach, Barbara, Kulik, Dmitrii A., Matschei, Thomas, Balonis, Magdalena, Baquerizo, Luis, Dilnesa, Belay, Miron, George D., Myers, Rupert J.

“…Thermodynamic modelling can reliably predict hydrated cement phase assemblages and chemical compositions, including their interactions with prevailing service…”
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Supplementary cementitious materials: New sources, characterization, and performance insights by Juenger, Maria C.G., Snellings, Ruben, Bernal, Susan A.

“…Conventional supplementary cementitious materials (SCMs), such as blast furnace slags or fly ashes, have been used for many decades, and a large body of…”
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Calcined clay limestone cements (LC3) by Scrivener, Karen, Martirena, Fernando, Bishnoi, Shashank, Maity, Soumen

“…The use of supplementary cementitious materials (SCMs) to replace part of the clinker in cement is the most successful strategy to reduce CO2 emissions in the…”
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Predicting concrete compressive strength using hybrid ensembling of surrogate machine learning models by Asteris, Panagiotis G., Skentou, Athanasia D., Bardhan, Abidhan, Samui, Pijush, Pilakoutas, Kypros

“…This study aims to implement a hybrid ensemble surrogate machine learning technique in predicting the compressive strength (CS) of concrete, an important…”
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Reactivity of supplementary cementitious materials (SCMs) in cement blends by Skibsted, Jørgen, Snellings, Ruben

“…Supplementary cementitious materials (SCMs) are key components of sustainable, low carbon cements. To maximize their use in blended cements, the impact of SCMs…”
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Vision of 3D printing with concrete — Technical, economic and environmental potentials by De Schutter, Geert, Lesage, Karel, Mechtcherine, Viktor, Nerella, Venkatesh Naidu, Habert, Guillaume, Agusti-Juan, Isolda

“…A vision is presented on 3D printing with concrete, considering technical, economic and environmental aspects. Although several showcases of 3D printed…”
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One-part alkali-activated materials: A review by Luukkonen, Tero, Abdollahnejad, Zahra, Yliniemi, Juho, Kinnunen, Paivo, Illikainen, Mirja

“…Alkali-activated materials (AAM) are recognized as potential alternatives to ordinary Portland cement (OPC) in order to limit CO2 emissions as well as…”
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Recent progress in low-carbon binders by Shi, Caijun, Qu, Bo, Provis, John L.

“…The development of low-carbon binders has been recognized as a means of reducing the carbon footprint of the Portland cement industry, in response to growing…”
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Digital Concrete: A Review by Wangler, Timothy, Roussel, Nicolas, Bos, Freek P., Salet, Theo A.M., Flatt, Robert J.

“…Digital fabrication techniques with concrete and cementitious materials have seen a large amount of research and industrial activity recently, with…”
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Limestone calcined clay cement and concrete: A state-of-the-art review by Sharma, Meenakshi, Bishnoi, Shashank, Martirena, Fernando, Scrivener, Karen

“…This article reviews the rapidly developing state-of-the-art literature available on the subject of the recently developed limestone calcined clay cement…”
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Advances in understanding cement hydration mechanisms by Scrivener, Karen, Ouzia, Alexandre, Juilland, Patrick, Kunhi Mohamed, Aslam

“…Progress in understanding hydration mechanisms of alite and Portland cement is reviewed. Up to the end of the induction period, dissolution rates determined by…”
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Extrusion-based additive manufacturing with cement-based materials – Production steps, processes, and their underlying physics: A review by Mechtcherine, V., Bos, F.P., Perrot, A., da Silva, W.R. Leal, Nerella, V.N., Fataei, S., Wolfs, R.J.M., Sonebi, M., Roussel, N.

“…This article offers a comprehensive overview of the underlying physics relevant to an understanding of materials processing during the various production steps…”
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Early age mechanical behaviour of 3D printed concrete: Numerical modelling and experimental testing by Wolfs, R.J.M., Bos, F.P., Salet, T.A.M.

“…A numerical model was developed to analyse the mechanical behaviour of fresh, 3D printed concrete, in the range of 0 to 90 min after material deposition. The…”
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Carbon dioxide reduction potential in the global cement industry by 2050 by Miller, Sabbie A., John, Vanderley M., Pacca, Sergio A., Horvath, Arpad

“…This paper, which is a contribution to the UNEP series on Eco-Efficient Cements, examines the role of material-based solutions to reducing CO2 emissions from…”
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Inhibition mechanisms of steel slag on the early-age hydration of cement by Zhuang, Shiyu, Wang, Qiang

“…Steel slag inhibits the early-age hydration of cement. However, its mechanism is still unclear. In this paper, the early-age hydration kinetics and the…”
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Hardened properties of 3D printed concrete: The influence of process parameters on interlayer adhesion by Wolfs, R.J.M., Bos, F.P., Salet, T.A.M.

“…The technology of 3D Concrete Printing (3DCP) has progressed rapidly over the last years. With the aim to realize both buildings and civil works, the need for…”
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The reaction between metakaolin and limestone and its effect in porosity refinement and mechanical properties by Zunino, Franco, Scrivener, Karen

“…In limestone calcined clay cements (LC3), more hemicarboaluminate and monocarboaluminate is observed, as compared to other blended cements, from the reaction…”
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