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Journal of the Southern African Institute of Mining and Metallurgy

versão On-line ISSN 2411-9717


YILMAZ, H.. Tensile strength testing of thin spray-on liner products (TSLs) and shotcrete. J. S. Afr. Inst. Min. Metall. [online]. 2010, vol.110, n.10, pp. 559-569. ISSN 2411-9717.

Tensile strength testing has been one of the most common physical property testing methods of thin spray-on liner (TSL) products worldwide. However, the variety of products tested has been insufficient for comparison purposes. Specimen preparation procedures and test parameters such as curing time and loading rate are not reported well. Comprehensive tensile strength testing on 20 TSL products and one plain shotcrete brand was performed over 28 days of curing period. Detailed information on the test procedures with particular attention on the important aspects during sample preparation and test execution are provided. As expected, the tensile strength increases with increasing curing period. The test results make the categorization and comparison of liner products possible.

Palavras-chave : Thin spray-on liner; TSL; tensile strength test; TSL tensile strength; shotcrete tensile strength; tensile strength category; curing period; repeatability index.

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