Effect of copper slag and granite dust as sand replacement on the properties of concrete

Patil, Mahesh V.; Patil, Yogesh D.

doi:10.1016/j.matpr.2020.10.029

Cited by 17 publications

(9 citation statements)

References 11 publications

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“…For durability, Kubissa et al [ 115 ] found that CS reduced the sorptivity and improved the permeability resistance of concrete. In contrast, Patil et al [ 94 ] found that the impermeability, chloride ion corrosion resistance, and sulfate attack resistance of hardened paste decreased after adding CS. When the substitution rate was set at 40%, the permeability increased by more than 50%.…”

Section: Microstructure Mechanical Properties and Durabilitymentioning

confidence: 95%

“…Maharishi et al [ 113 ] found that the adverse effect of CS on concrete was particularly significant when the content of CS exceeded 40%. Patil et al [ 94 ] discovered that adding CS caused greater porosity in the microstructure ( Figure 9 ), owing to the poor connectivity of CS and cement. On the aspect of mechanical properties, Al-Jabri et al [ 114 ] and Kubissa et al [ 115 , 116 ] found that adding CS can effectively improve the mechanical strength of concrete.…”

Section: Microstructure Mechanical Properties and Durabilitymentioning

confidence: 99%

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Adverse Effects of Using Metallurgical Slags as Supplementary Cementitious Materials and Aggregate: A Review

2022

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This paper discusses a sustainable way to prepare construction materials from metallurgical slags. Steel slag, copper slag, lead-zinc slag, and electric furnace ferronickel slag are the most common metallurgical slags that could be used as supplementary cementitious materials (SCMs) and aggregates. However, they have some adverse effects that could significantly limit their applications when used in cement-based materials. The setting time is significantly delayed when steel slag is utilized as an SCM. With the addition of 30% steel slag, the initial setting time and final setting time are delayed by approximately 60% and 40%, respectively. Because the specific gravity of metallurgical slags is 10–40% higher than that of natural aggregates, metallurgical slags tend to promote segregation when utilized as aggregates. Furthermore, some metallurgical slags deteriorate the microstructure of hardened pastes, resulting in higher porosity, lower mechanical properties, and decreased durability. In terms of safety, there are issues with the soundness of steel slag, the alkali-silica reaction involving cement and electric furnace ferronickel slag, and the environmental safety concerns, due to the leaching of heavy metals from copper slag and lead-zinc slag.

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Section: Microstructure Mechanical Properties and Durabilitymentioning

confidence: 95%

Section: Microstructure Mechanical Properties and Durabilitymentioning

confidence: 99%

Adverse Effects of Using Metallurgical Slags as Supplementary Cementitious Materials and Aggregate: A Review

2022

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“…Patil et al [34] used granite waste and copper slag to replace 30% of the river sand in concrete. After 28days the flexural strength of the concrete increased by 5%, but as the replacement increased, too much water remained in the concrete and increased the porosity, and both the compressive strength and flexural strength were reduced.…”

Section: ) Compressive Strengthmentioning

confidence: 99%

Recent Advances in the Reutilization of Granite Waste in Various Fields

Wang

Zhan

et al. 2021

J. Mater. Sci. Technol. Res.

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Quarrying and processing of granite produce large amounts of waste residues. Besides being a loss of resources, improper disposal of these wastes results in pollution of the soil, water and air around the dumpsites. The main components of granite waste are quartz, feldspars and a small amount of biotite. Due to its hard and dense texture, high strength, corrosion resistance and wear resistance, granite waste may be recycled into building materials, composite materials and fine ceramics, effectively improving their mechanical properties and durability. By using the flotation process, high value-added products such as potash feldspar and albite may be retrieved from granite waste. Also, granite waste has the potential for application in soil remediation and sewage treatment. This review presents recent advances in granite waste reutilization, and points out the problems associated with its use, and the related countermeasures, indicating the scale of high value-added reutilization of granite waste.

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“…Essa lama escoa até o poço de recolhimento, é recirculada pelos teares através de bombas centrifugas e é continuamente aspergida na superfície de corte, para desobstruir os canais entre as chapas e facilitar a serragem. Além de lubrificar e resfriar as lâminas metálicas, evitando a sua oxidação (MAHESH et al, 2021).…”

Section: Asunclassified

Avaliação Da Incorporação De Resíduo De Corte De Mármore E Granito Em Concreto Para Produção De Pisos Intertravados Para Pavimentação

et al. 2021

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A indústria da construção civil é uma atividade que consome elevado volume de recursos naturais e no cenário atual é imprescindível se preocupar com o desenvolvimento sustentável e encontrar alternativas de reaproveitamento de resíduos sólidos. Nesse contexto, a reinserção do resíduo de corte de mármore e granito (RCMG) na cadeia produtiva é uma alternativa para amenizar um sério problema ambiental, pois o consumo de rochas ornamentais vem crescendo e elevando a quantidade de resíduo produzido. Devido ao grande volume de resíduos de corte de granito produzido e não reutilizado, este artigo técnico avalia a viabilidade técnica da sua utilização como adição em concretos e produção de blocos intertravados com resistência à compressão mínima de 35 MPa e a absorção d’água de 6% no máximo. As matérias primas foram caracterizadas quanto à massa específica, massa unitária, distribuição do tamanho de partículas, materiais pulverulentos e composição química (FRX). Em seguida, os corpos de prova foram moldados de acordo com as prescrições da norma técnica NBR 9781:2013 e foram realizadas análises de desempenho mecânico (resistência à compressão) e absorção d’água. Em suma, a partir dos resultados obtidos no programa experimental, o uso do resíduo de corte de mármore e granito como adição em concretos para produção de pisos de pavimentação é viável tecnicamente para tráfego de pedestres, veículos leves e veículos comerciais de linha.

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Effect of copper slag and granite dust as sand replacement on the properties of concrete

Cited by 17 publications

References 11 publications

Adverse Effects of Using Metallurgical Slags as Supplementary Cementitious Materials and Aggregate: A Review

Adverse Effects of Using Metallurgical Slags as Supplementary Cementitious Materials and Aggregate: A Review

Recent Advances in the Reutilization of Granite Waste in Various Fields

Avaliação Da Incorporação De Resíduo De Corte De Mármore E Granito Em Concreto Para Produção De Pisos Intertravados Para Pavimentação

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