| Potencial de reatividade álcali-sílica |
Testes químicos |
[4444 ASTM, “C-289-16 Standard Test Method for Potential Alkali-Silica Reactivity of Aggregates (Chem-ical Method)”, (2016).] |
| Análise DRX |
[4545 GRATTAN-BELLEW, P.E., “A Critical Review of Ultra-accelerated Alkali-silica Reactivity”, Cement and Concrete Composites, v. 19, pp. 403–414, 1997., 4646 MO, X., JING, Y., HAN, T., et al., “Alkali-silica reactivity of different aggregates from mineral and textural characteristics”, Journal Wuhan University of Technology, Materials Science Edition, v. 23, n. 6, pp. 901–906, 2008.] |
| Espectrometria de infravermelho (Contudo DRX possui melhores resultados) |
[4545 GRATTAN-BELLEW, P.E., “A Critical Review of Ultra-accelerated Alkali-silica Reactivity”, Cement and Concrete Composites, v. 19, pp. 403–414, 1997., 4747 BERRA, M., MANGIALARDI, T., PAOLINI, A.E., “Alkali-silica reactivity criteria for concrete aggregates”, Materials and Str., v. 38, pp. 373–380, 2005., 4848 BACHIORRINI, A., “A method to test the alkali reactivity of siliceous aggregates: infrared spectros-copy”, In: Concrete Durability, Proceedings of the K. and B. Mather International Conference, Atlanta,. pp. 1821–1832. , USA (1987).] |
| DSC (Calorimetria diferencial de varredura) |
[4545 GRATTAN-BELLEW, P.E., “A Critical Review of Ultra-accelerated Alkali-silica Reactivity”, Cement and Concrete Composites, v. 19, pp. 403–414, 1997.] |
| Composição Química e Mineralógica |
FRX |
[1111 ISLAM, G.M.S., RAHMAN, M.H., KAZI, N., “Waste glass powder as partial replacement of cement for sustainable concrete practice”, International Journal of Sustainable Built Environment, v. 6, n. 1, pp. 37–44, 2017.] |
| DRX |
[4040 BAHORIA, B. V, PARBAT, D.K., NAGARNAIK, P.B., “XRD Analysis of Natural sand, Quarry dust, waste plastic (LDPE) to be used as a fine aggregate in concrete”, Materials Today: Proceedings, v. 5, n. 1, pp. 1432–1438, 2018., 4949 WU, J., WANG, L., MENG, L., “Analysis of mineral composition and microstructure of gravel ag-gregate based on XRD and SEM”, Road Materials and Pavement Design, pp. 1–10, 2017.] |
| MEV/EDS |
[3939 AN, J., KIM, S., NAM, B., DURHAM, S., “Effect of Aggregate Mineralogy and Concrete Micro-structure on Thermal Expansion and Strength Properties of Concrete”, Applied Sciences, v. 7, n. 12, p. 1307, 2017., 4949 WU, J., WANG, L., MENG, L., “Analysis of mineral composition and microstructure of gravel ag-gregate based on XRD and SEM”, Road Materials and Pavement Design, pp. 1–10, 2017.] |
| Porosidade e absorção de água dos agregados |
Medida indireta a partir da absorção de água – não fornece informações sobre a distribuição de tamanho dos poros |
[5050 ASTM, “C-128-15. Standard Test Method for Relative Density (Specific Gravity) and Absorption of Fine Aggregate”, (2015)., 5151 ASTM, “C-127-15. Standard Test Method for Density, Relative Density (Specific Gravity), and Ab-sorption of Coarse Aggregate”, (2015).] |
| Porosimetria por intrusão de mercúrio |
[4141 KAYYALI, O.A., “Mercury intrusion porosimetry of concrete aggregates”, Materials and Structures, v. 18, n. 4, pp. 259–262, 1985., 5252 LAWRENCE, M., JIANG, Y., Bio-aggregates Based Building Materials, 2017.] |
| Imagem retrofundida em MEV |
[5252 LAWRENCE, M., JIANG, Y., Bio-aggregates Based Building Materials, 2017., 5353 DIAMOND, S., LEEMAN, M.E., “Estimating Capillary Porosity of Cement Paste by Fluorescence Microscopy and Image Analysis”, Materials Research Society (MRS), v. 370, pp. 217–26, 1995.] |
| Microscopia óptica de seções finas combinadas com análise de imagem |
[5252 LAWRENCE, M., JIANG, Y., Bio-aggregates Based Building Materials, 2017., 5454 MARTÍNEZ, C.Á., RUBIERA, N.P., “Análisis Microestrutural de Granitos, por Técnicas de Proceso Digital de Imágenes, para su Utilizacion como Áridos en Hormignones”, Ingeriería Civil, v. 99, pp. 5–13, 1995.] |
| Forma e textura superficial dos agregados |
MEV |
[4646 MO, X., JING, Y., HAN, T., et al., “Alkali-silica reactivity of different aggregates from mineral and textural characteristics”, Journal Wuhan University of Technology, Materials Science Edition, v. 23, n. 6, pp. 901–906, 2008., 4949 WU, J., WANG, L., MENG, L., “Analysis of mineral composition and microstructure of gravel ag-gregate based on XRD and SEM”, Road Materials and Pavement Design, pp. 1–10, 2017.] |
| Outras propriedades físicas (granulometria, umidade, densidade aparente, densidade) |
Ensaios físicos |
[5555 ABNT. ASSOCIAÇÃO BRASILEIRA DE NORMAS TÉCNICAS, “NBR NM 45:2006 - Agregados - Determinação da massa unitária e do volume de vazios”, (2006).–5858 ABNT. ASSOCIAÇÃO BRASILEIRA DE NORMAS TÉCNICAS, “NBR 9939:2011 - Agregado graúdo – Determinação do teor de umidade total – Método de ensaio”, (2011).] |
