Incorporation of fine sanitary ware aggregates in coating mortars

Farinha, Catarina Brazão; Brito, Jorge de; Veiga, Rosário

doi:10.1016/j.conbuildmat.2015.03.028

Cited by 80 publications

(66 citation statements)

References 9 publications

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“…In this research, the incorporation of several industrial wastes in renders is discussed. The good technical performance of the mortars obtained has been demonstrated in several previous researches [7][8][9]. All the mortars, presented in this research, are in the same strength category according to EN 998-1 [10], meaning that the compressive strength of the mortars is between 3.5 MPa and 7.5 MPa.…”

Section: Introductionsupporting

confidence: 60%

“…Sanitary ware and glass fiber reinforced polymer replaced sand. Sanitary ware replaced sand in two different types of incorporation: as a filler (particles lower than 149 µm) [8] and as an aggregate (particles lower than 2 mm) [7]. The mortars with filler incorporation were labelled SWF and the ones with aggregate incorporation SW. Glass fiber reinforced polymer replaced sand as a filler [9] and the corresponding mortars were labelled GFRP.…”

Section: Methodsmentioning

confidence: 99%

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Life Cycle Assessment of Mortars with Incorporation of Industrial Wastes

Farinha

Silvestre

Brito

et al. 2019

Fibers

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The production of waste is increasing yearly and, without a viable recycle or reutilization solution, waste is sent to landfills, where it can take thousand to years to degrade. Simultaneously, for the production of new materials, some industries continue to ignore the potential of wastes and keep on using natural resources for production. The incorporation of waste materials in mortars is a possible solution to avoid landfilling, through their recycling or reutilization. However, no evaluation of their “sustainability” in terms of environmental performance is available in the literature. In this sense, in this research a life cycle assessment was performed on mortars, namely renders, with incorporation of industrials wastes replacing sand and/or cement. For that purpose, eight environmental impact categories (abiotic depletion potential, global warming potential, ozone depletion potential, photochemical ozone creation potential, acidification potential, eutrophication potential, use of non-renewable primary energy resources, and use of renewable primary energy resources) within a “cradle to gate” boundary were analyzed for 19 mortars with incorporation of several industrial wastes: sanitary ware, glass fiber reinforced polymer, forest biomass ashes, and textile fibers. Sixteen out of the 19 mortars under analysis presented, in all environmental impact categories, an equal or better environment performance than a common mortar (used as a reference). The benefits in some environmental impacts were over 20%.

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Section: Introductionsupporting

confidence: 60%

Section: Methodsmentioning

confidence: 99%

Life Cycle Assessment of Mortars with Incorporation of Industrial Wastes

Farinha

Silvestre

Brito

et al. 2019

Fibers

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“…Other studies that incorporated very fine recycled aggregates found a significant increase in the mechanical strength of the rendering mortars, regardless of the RA used [16,17,21,35,36]. Those results are explained by the filler effect of the fine particles incorporated, and also a potential pozzolanic reactions of the CDW.…”

Section: Flexural and Compressive Strengthmentioning

confidence: 84%

“…Regarding flexural strength, there is also no consensus in the previous work. Normally, the incorporation of very fine recycled aggregates in rendering mortars presented an increase of the flexural strength, regardless of the type of waste [16,17,20,35,36]. This could be explained by the filler effect of the very fine particles.…”

Section: Literature Reviewmentioning

confidence: 95%

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Concrete-Based and Mixed Waste Aggregates in Rendering Mortars

et al. 2020

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This paper presents a study of incorporation of two types of construction and demolition waste (CDW) in rendering mortars, as aggregates at 0%, 20%, 50% and 100% (by volume). Recycled concrete aggregate (RCA) and mixed recycled aggregate (MRA) were used. The former is mainly composed of cementitious waste and the latter consists of a mixture of non-segregated wastes. The performance of the cement mortars with recycled aggregates was evaluated through an extensive experimental programme. The analysis comprised workability, mechanical strength, water absorption, shrinkage, open porosity and the evaluation of durability by permeability to water under pressure after an artificial accelerated ageing test. The results are considered positive, although as the incorporation of recycled aggregates (both MRA and RCA) increased the mechanical strength, the modulus of elasticity and bulk density decreased, which leads to the production of lighter mortars that are less susceptible to cracking. The modified mortar with 20% of MRA presented the best performance, in terms of mechanical behaviour.

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Mortar Produced with Scheelite Residue and Cassava Wastewater

Souza

2020

Green Energy and Technology

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Incorporation of fine sanitary ware aggregates in coating mortars

Cited by 80 publications

References 9 publications

Life Cycle Assessment of Mortars with Incorporation of Industrial Wastes

Life Cycle Assessment of Mortars with Incorporation of Industrial Wastes

Concrete-Based and Mixed Waste Aggregates in Rendering Mortars

Mortar Produced with Scheelite Residue and Cassava Wastewater

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