Snapshot on 3D printing with alternative binders and materials: Earth, geopolymers, gypsum and low carbon concrete

IF 10.9 1区 工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY Cement and Concrete Research Pub Date : 2024-08-27 DOI:10.1016/j.cemconres.2024.107651
A. Perrot , Y. Jacquet , J.F. Caron , R. Mesnil , N. Ducoulombier , V. De Bono , J. Sanjayan , Saya Ramakrishnan , H. Kloft , J. Gosslar , S. Muthukrishnan , V. Mechtcherine , T. Wangler , J.L. Provis , K. Dörfler , Ema Krakovska , N. Roussel , E. Keita
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Abstract

The rapid development of 3D concrete printing now offers mechanical efficiency and freedom to push the limits of construction design. The digital manufacturing process holds potential for reducing carbon footprints through design optimization. Printable concrete, which is a mix of cement (based on ordinary Portland cement), aggregates, and admixtures, is attractive due to widespread and cost-effective constituents. However, many common formulations omit gravel, requiring higher cement paste volumes and inducing significant embodied carbon. Assessing the potential of low-carbon cements like Limestone Calcined Clay Cement (LC3), calcium aluminate cement (CAC), or magnesium-based cement for 3D printing is a current challenge that can address this issue. Tailoring these construction materials to printing applications and environmental needs now drives scientific exploration. This paper comprehensively reviews alternative materials and binders such as earthen materials, geopolymers, low carbon binders or gypsum-based materials, addressing fresh and hardened properties, developed digital processes, targeted applications, and discussing advantages and drawbacks of each alternative.

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使用替代粘合剂和材料进行 3D 打印的快照:土、土工聚合物、石膏和低碳混凝土
三维混凝土打印技术的快速发展为建筑设计带来了机械效率和自由度的提升。通过优化设计,数字化制造工艺具有减少碳足迹的潜力。可打印混凝土是水泥(基于普通波特兰水泥)、集料和外加剂的混合物,由于成分广泛且具有成本效益,因此很有吸引力。然而,许多常见配方都省略了砾石,这就需要更高的水泥浆量,并产生大量的内含碳。评估石灰石煅烧粘土水泥(LC3)、铝酸钙水泥(CAC)或镁基水泥等低碳水泥在 3D 打印中的应用潜力,是解决这一问题的当前挑战。根据打印应用和环境需求定制这些建筑材料是科学探索的动力。本文全面回顾了土质材料、土工聚合物、低碳粘结剂或石膏基材料等替代材料和粘结剂,探讨了新鲜和硬化特性、开发的数字流程、目标应用,并讨论了每种替代材料的优点和缺点。
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来源期刊
Cement and Concrete Research
Cement and Concrete Research 工程技术-材料科学:综合
CiteScore
20.90
自引率
12.30%
发文量
318
审稿时长
53 days
期刊介绍: Cement and Concrete Research is dedicated to publishing top-notch research on the materials science and engineering of cement, cement composites, mortars, concrete, and related materials incorporating cement or other mineral binders. The journal prioritizes reporting significant findings in research on the properties and performance of cementitious materials. It also covers novel experimental techniques, the latest analytical and modeling methods, examination and diagnosis of actual cement and concrete structures, and the exploration of potential improvements in materials.
期刊最新文献
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