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Study of mechanical, durability and microstructural properties of cementitious composite with addition of different iron ore tailings from Brazil by Almada, Bruna Silva (author);da Silva Silveira Melo, Henrique (author);Duarte, Marlo Souza (author);Aguilar, Maria Teresa Paulino (author);Garcia, Dayana Cristina Silva (author);Silva, Guilherme Jorge Brigolini (author);dos Santos, White José (author) is a Engineering article available to read on EtoBox.
What is Study of mechanical, durability and microstructural properties of cementitious composite with addition of different iron ore tailings from Brazil about?
Brazil is the second-largest global iron ore producer in the world. Consequently, a large volume of iron ore tailings (IOTs) is generated, which is associated with environmental impacts. IOTs present potential to be used as an addition in cementitious compounds, however, few studies assess how the heterogeneity of this waste can limit its utilization as a building material. Thus, the present study aims to assess whether the heterogeneity of IOTs influences mechanical, durability, and microstructural properties when added to the cementitious composite. Four IOTs samples from different origins were collected and added to cementitious composite at 40% addition content. Composites' mechanical (compressive strength and modulus of elasticity) and durability properties (water absorption, porosity, electrical resistivity, carbonation, and pH pore solution) were correlated to the microstructure of the IOTs. Results showed that the IOTs from different mines exhibited different physical properties and chemical/mineralogical compositions. Moreover, the higher the degree of ore processing, the lower the heterogeneity, iron content, and specific gravity. Although the IOT samples are heterogeneou
Who reads Study of mechanical, durability and microstructural properties of cementitious composite with addition of different iron ore tailings from Brazil?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Almada, Bruna Silva (author);da Silva Silveira Melo, Henrique (author);Duarte, Marlo Souza (author);Aguilar, Maria Teresa Paulino (author);Garcia, Dayana Cristina Silva (author);Silva, Guilherme Jorge Brigolini (author);dos Santos, White José (author)
- Publisher
- Elsevier BV
- Published
- 2022
- Language
- EN
- Field
- Engineering (Physical Sciences)