Preparation of waste cooking oil emulsion as shrinkage reducing admixture and its potential use in high performance concrete: Effect on shrinkage and mechanical properties

Liu, Yushi; Yu, Zhenyun; Lv, Chengbo; Fang, Meng; Yang, Yutao

doi:10.1016/j.jobe.2020.101488

Cited by 9 publications

(1 citation statement)

References 43 publications

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“…The incorporation of a small fraction of oil in mortars, such as recycled engine oil [154,155] or waste cooking oil [156], while delaying setting time and dry shrinkage, reduces water uptake and has a positive impact on air entrainment, reducing pore size, and minimising capillary water absorption and chloride diffusion, hence increasing concrete durability and strength [157] resistance to freezing and thawing, pumpability, and even fire resistance [155,[158][159][160]. Moreover, lipids make the surface of mineral particles hydrophobic, imparting plasticising properties and decreasing the rate of cement hydration [161,162].…”

Section: A Thermal Perspectivementioning

confidence: 99%

Building a Greener Future: Advancing Concrete Production Sustainability and the Thermal Properties of 3D-Printed Mortars

Capêto,

Jesus,

Uribe

et al. 2024

Buildings

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The integration of waste materials in extrudable cement mixtures has the potential to make the construction industry more sustainable by reducing carbon footprints and developing eco-friendly materials. This along with advancements in 3D concrete printing (3DCP) provides engineering and architectural benefits by reducing material waste and costs. In this paper, the impact of waste incorporation on properties of mortar and concrete is examined. The use of waste materials, such as pumice, coal slag, agricultural lignocellulosic residues, and recycled rubber tyres, to improve thermal insulation and durability of cementitious composites is discussed. In addition, the incorporation of air-entraining admixtures with surfactant activity is explored for their indirect effect on thermal behaviour, pore size reduction, and enhancement in concrete properties. This review includes important topics such as a strength resistance to freezing and thawing, fire resistance, plasticising effect, and delay in cement hydration. These findings highlight the benefits of using diverse waste materials in construction, providing a multidimensional approach to waste management, cost optimization, and enhanced construction materials in the context of 3DCP.

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