MATEC Web Conf.
Volume 250, 2018The 12th International Civil Engineering Post Graduate Conference (SEPKA) – The 3rd International Symposium on Expertise of Engineering Design (ISEED) (SEPKA-ISEED 2018)
|Number of page(s)||12|
|Published online||11 December 2018|
Stress Distribution in Specimen for Diametrical Compression Test under Some Boundary Conditions
Advanced course of Civil Engineering, National Institute of Technology, Kagoshima College, Kirishima, Kagoshima, 899-5193, Japan
2 Department of Civil Engineering, Universiti Teknologi Malaysia, 81310 Johor Bahru, Malaysia
Diametrical Compression test is one of indirect tests to investigate the tensile strength of brittle materials. This test is spread because of easiness to perform. However, results from this test are not stable. Traditionally, calculations for diametrical compression test are performed under a pair of opposite concentrated load on the diameter of specimen. In the fact, contact areas are appears just before fracture of specimen and the stress distribution from loading platens is not obvious. It seems one of reasons why the result from this test is not stable. Several stress distributions between contact area and specimen have been proposed and stresses and strains have been calculated as theoretical results or analytical result in previous studies. In this study, the stress distribution that consists of uniform loading and cosine curve shaped loading is proposed and used for theoretical solution. Furthermore, results from this study are compared with results from previous studies.
© The Authors, published by EDP Sciences, 2018
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