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The analysis of stress distribution in tempered structural glass with stress concentrators under tension and compression

Šaučiuvėnas Gintas, Gečys Tomas, Mudrov Andrej, Ustinovichius Leonas, Miedzialowski Czesław

Archives of Civil and Mechanical Engineering

2020

Vol. 20, no. 3

62--77

The paper describes the results obtained from the tensile and compression experimental tests of the structural tempered glass plates with three different types of stress concentrators and without them. The types of stress concentrator have been chosen as close as possible to those usually found in practical situations and also taking into account the cases known from the literature. All tests are performed under the same conditions and with the step of loading 1.0 kN for tension and compression tests up to the limit of 8.0 kN. The stress gradients are measured with an optical device by birefringence. The research is aimed at determining the distribution and the values of stress gradients under tension and compression. The paper considers the problems of determining the stress values and their distribution in the glass plates with various stress concentrators, based on the results of non-destructive measuring, analytical calculations and the numerical simulation.