2020
DOI: 10.1016/j.jclepro.2019.119283
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Eco-friendly mortars with addition of ornamental stone waste - A mathematical model approach for granulometric optimization

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Cited by 80 publications
(33 citation statements)
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“…From this point of view, the incorporated air acts as a kind of lubricant for the grains of the dry materials (cement, lime, sand, and metakaolin) that make up the material. However, the same research group [ 21 , 22 , 23 ] emphasizes that if the content of incorporated air is very high, the resistance and durability of the mortar in the hardened state will be compromised, because the greater the amount of air inside the material, the greater will be the amount of pores or voids when hardening occurs. In addition, the incorporated air content is related to other parameters, such as the sand and contents as well as binders and the presence or absence of chemical additives.…”
Section: Introductionmentioning
confidence: 99%
“…From this point of view, the incorporated air acts as a kind of lubricant for the grains of the dry materials (cement, lime, sand, and metakaolin) that make up the material. However, the same research group [ 21 , 22 , 23 ] emphasizes that if the content of incorporated air is very high, the resistance and durability of the mortar in the hardened state will be compromised, because the greater the amount of air inside the material, the greater will be the amount of pores or voids when hardening occurs. In addition, the incorporated air content is related to other parameters, such as the sand and contents as well as binders and the presence or absence of chemical additives.…”
Section: Introductionmentioning
confidence: 99%
“…A more practical example of recycling wastes into more acceptable and environmental-friendly finished goods is seen in the experiment carried out by Carvalho, et al (2014); where sludge waste generated from the cutting process of granite and limestone were dried and crushed in a media alongside a type CPII 32 cement to produce soil-cement blocks. The heavy reliance on traditional fossil fuels for production and the poor handling of raw material sources (disposing and extracting) sums up the negative effects of cement production and its various alternatives on its host environment (Amaral, et al 2019). Further fears of environmental pollution is heightened in the case of increasing iron-ore production owing to mass storage of by-products (tailings) in dams which most times ruptures and amount to leakages to its host environment, a feasible solution still resides in reusing the wastes to produce materials for constructive purposes to reduce environmental damage (Zhao, et al, 2014 andMendes, et al 2019).…”
Section: Theoretical Literaturementioning
confidence: 99%
“…Cement is one of the basic materials in different applications [3e5]. However, the cement industry is characterised by a high energy consumption [6,7] as well as high greenhouse gases emissions [8e11]. The cement industry is currently produced around 7% of carbon dioxide emissions worldwide [12e14].…”
Section: Introductionmentioning
confidence: 99%