On the use of blast-furnace slag in sprayed concrete applications (2019)
- Authors:
- USP affiliated authors: FIGUEIREDO, ANTONIO DOMINGUES DE - EP ; SALVADOR, RENAN PICOLO - EP
- Unidade: EP
- DOI: 10.1016/j.conbuildmat.2019.05.132
- Subjects: ESCÓRIA; CONCRETO PROJETADO
- Agências de fomento:
- Language: Inglês
- Abstract: Cement replacement by additions is crucial to produce sprayed concrete with proper mechanical proper-ties and durability. The use of blast-furnace slag to produce sprayed concrete for tunnel linings may berestricted due to its low reactivity. In this context, the objective of this study is to evaluate the chemicaland mechanical properties of sprayed concrete produced with cement and blast-furnace slag as a partialcement replacement. Hydration kinetics were characterized by isothermal calorimetry, X-ray diffractionand evolution of temperature, while mechanical properties were evaluated by needle penetration resis-tance and compressive strength of extracted cores. Results showed that slag was activated by the accel-erators employed and the minimum strength specified for a J2class from 10 to 60 min and at 24 h wasachieved. Therefore, blast-furnace slag may be used in sprayed concrete applications when the averagestrength evolution class is specified
- Imprenta:
- Source:
- Título: Construction and Building Materials
- ISSN: 0950-0618
- Volume/Número/Paginação/Ano: v.218, p. 543-555, Sept. 10, 2019
- Status:
- Nenhuma versão em acesso aberto identificada
-
ABNT
SALVADOR, Renan Pícolo et al. On the use of blast-furnace slag in sprayed concrete applications. Construction and Building Materials, v. 218, p. 543-555, 2019Tradução . . Disponível em: https://doi.org/10.1016/j.conbuildmat.2019.05.132. Acesso em: 01 abr. 2026. -
APA
Salvador, R. P., Rambo, D. A. S., Bueno, R. M., Silva, K. T., & Figueiredo, A. D. de. (2019). On the use of blast-furnace slag in sprayed concrete applications. Construction and Building Materials, 218, 543-555. doi:10.1016/j.conbuildmat.2019.05.132 -
NLM
Salvador RP, Rambo DAS, Bueno RM, Silva KT, Figueiredo AD de. On the use of blast-furnace slag in sprayed concrete applications [Internet]. Construction and Building Materials. 2019 ;218 543-555.[citado 2026 abr. 01 ] Available from: https://doi.org/10.1016/j.conbuildmat.2019.05.132 -
Vancouver
Salvador RP, Rambo DAS, Bueno RM, Silva KT, Figueiredo AD de. On the use of blast-furnace slag in sprayed concrete applications [Internet]. Construction and Building Materials. 2019 ;218 543-555.[citado 2026 abr. 01 ] Available from: https://doi.org/10.1016/j.conbuildmat.2019.05.132 - Fibras plásticas como reforço de tubos de concreto: parte 1: caracterização tecnológica
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