The Brazilian disc test under a non-uniform contact pressure along its thickness

Article


Serati, Mehdi, Alehossein, Habib and Erarslan, Nazife. 2016. "The Brazilian disc test under a non-uniform contact pressure along its thickness." Rock Mechanics and Rock Engineering. 49 (4), pp. 1573-1577. https://doi.org/10.1007/s00603-015-0773-3
Article Title

The Brazilian disc test under a non-uniform contact pressure along its thickness

ERA Journal ID4070
Article CategoryArticle
AuthorsSerati, Mehdi (Author), Alehossein, Habib (Author) and Erarslan, Nazife (Author)
Journal TitleRock Mechanics and Rock Engineering
Journal Citation49 (4), pp. 1573-1577
Number of Pages5
Year2016
PublisherSpringer
Place of PublicationAustria
ISSN0723-2632
1434-453X
Digital Object Identifier (DOI)https://doi.org/10.1007/s00603-015-0773-3
Web Address (URL)http://link.springer.com/article/10.1007%2Fs00603-015-0773-3
Abstract

Using a three-dimensional analytical approach, the sensitivity of the Brazilian test to its standard testing recommendations was investigated. It was concluded that the tensile stress induced in a Brazilian disc is significantly affected by the distribution of the applied load along its thickness rather than its circumferential condition. Under a non-uniform contact pressure along the BTS thickness, it was evident that both the numerical value and the location of the maximum tensile stress varied as a function of the geometrical aspect ratio of the disc specimen. For test conditions in which load distribution in the contact region along the thickness does not follow the standards or the uncertainty of its exact nature is large, e.g. in testing of super hard materials with relatively high stiffness and hardness greater than the contact testing platens, great care should be taken in regard to the interpretation of the Brazilian test result.

Keywordsanalytical solution; Brazilian test (BTS); double fourier series; Papkovich-Neuber potentials; tensile strength
ANZSRC Field of Research 2020400502. Civil geotechnical engineering
Public Notes

File reproduced in accordance with the copyright policy of the publisher/author.

Byline AffiliationsUniversity of Queensland
School of Civil Engineering and Surveying
Adana Science and Technology University, Turkiye
Institution of OriginUniversity of Southern Queensland
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