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Keywords: Brazilian test
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Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-120
... rocks in Deccan trap region which is mainly composed of Basalt. In this paper, characterization of tensile behaviour of Basalt rocks from Deccan trap is done at different loading conditions. Indirect test method namely Brazilian test is used to calculate the static indirect tensile strength at a loading...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-150
... Abstract The indirect (Brazilian) tensile strength test is commonly used in rock engineering and rock mechanics. Most of the research on how to interpret Brazilian test is only valid for isotropic rock. The load may be applied to disc shaped samples through flat platens or curved jaws and the...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-031
... monsonite Ghamgosar toughness Erarslan hydraulic fracturing Brazilian test specimen fracture toughness test tensile strength Upstream Oil & Gas fracture toughness investigation rock type mechanics Engineering Rock mechanics tensile stress Laboratory Result Rock Mechanics...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-048
... test is not practical to apply, many different kinds of indi- rect tensile strength (ITS) methods were suggested by different researchers. Splitting tensile strength (Brazilian) test is the most famous ITS determina- tion method because of its practicality and ability to be carried out using...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-043
... direct (with new apparatus) and indirect tensile strength as Brazilian test method of travertine rock was carried out in compliance with related standard test methods. In order to analyse rock tensile strength between direct and indirect test methods was conducted and obtained results were compared...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-064
... estimation of the tensile strength is critical since rock-like geo- and construction materials are much weaker in tension than compression or shear. The direct uniaxial pulling test (DPT), the split cylinder test also refereed as the Brazilian test (BT), the point load strength test (PLST), and lateral...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-116
... grain and interface were calibrated based on the experimental results of UCS and Brazilian tests at room temperature. For implementation of the mechanical analysis, a commercial code UDEC based on DEM theory was adopted in the present study. With the microstructures and a set of micro-parameters, the...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-130
... Ojdrovic & Petroski (1985), and they believed the results from two tests were close. Proveti & Michot (2006) concluded the Brazilian test was well suited to measure the fracture resistance of materials at room temperature. However, most of researches were performed at room temperature and the...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-040
... wave reflection and unrealistic interference. Fitting the yield function numerically to stress states that cause fracture calibrates the constitutive equations. These stress states are obtained from inexpensive Brazilian tests and uniaxial compression tests. The tensile strength concept is extended to...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-045
... theory. As micro-cracking and damage directly influence the rock elastic properties and elastic wave velocities, the ultrasonic properties of rock under loading provide a clear view of the development of micro-fracturing. The Brazilian test has been used to apply indirect tensile loading and has been...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-049
... Brazilian Jaws. As the Brazilian test has been criticized since it was initially proposed by ISRM, the aim of this study to investigate the accuracy of Brazilian jaws to determine the BTS values of brittle and ductile rocks separately. FRANC2D software was used to analyse the stress distribution at the...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-042
... Abstract In this paper, firstly, uniaxial compression test and Brazilian test of rock were conducted to investigate the influence of surrounding non-atmospheric environments on uniaxial compressive strength and tensile strength. The environments used in this paper were organic vapor, inorganic...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2012, May 28–30, 2012
Paper Number: ISRM-EUROCK-2012-025
... Shear Zone, India. Applicability of point load and block punch index tests in predicting uniaxial compressive strength of these rocks was also evaluated. For every available angle (β) between foliations and collected core axis (when β≠ 0°), equivalent specimens were tested under Brazilian test condition...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-051
... perpendicularly to the rift plane. A specimen for the Brazilian test was taken by core drill in the direction parallel to the rift plane. In the case of andesite and sandstone, all specimens were taken in the same direction. Specimens were formed <1>30 x 100 mm for the uniaxial tension test, <1>30 x 60 mm for the...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-100
... Is of 7.47 MPa. 3.3. Brazilian tests After excluding the extreme values from all tests, as recommended by ISRM, tensile strength obtained from diameter compression was obtained from 10 samples. The resulting values ranged from 11.79 to 18.78 MPa, with an average of 14.52 MPa. The coefficient of...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 96, September 2–5, 1996
Paper Number: ISRM-EUROCK-1996-175
... salt dip wonneberger Brazilian test freezing crystallisation room temperature strength weathered rock assessment monument reduction geotechnical property heating-cooling cycle Korea historical monument specimen monument historique Brazilian tensile strength granite Eurock...

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