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Proceedings 2018, 2(8), 495; https://doi.org/10.3390/ICEM18-05412

Quasi-Static and Dynamic Testing of Annealed Float Glass

1
Structural Impact Laboratory (SIMLab), Department of Structural Engineering, Faculty of Engineering, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway
2
Centre for Advanced Structural Analysis (CASA), NTNU, NO-7491 Trondheim, Norway
Presented at the 18th International Conference on Experimental Mechanics (ICEM18), Brussels, Belgium, 1–5 July 2018.
*
Author to whom correspondence should be addressed.
Published: 29 June 2018
PDF [553 KB, uploaded 13 July 2018]

Abstract

Three different experimental set-ups were employed in the investigation of the fracture strength of annealed float glass. These included four-point bending tests on three different specimen sizes, and quasi-static and dynamic pressure tests. The latter tests were conducted in a shock tube, i.e., a device that produces pressure loadings similar to that from a far-field blast event. The experimental work demonstrated that the fracture strength of glass varies largely within the same test set-up. It also revealed that the fracture strength and its scatter are dependent on the size of the specimen, the boundary conditions and the loading situation. By employing a newly proposed strength prediction model, which relies on the physical fracture behaviour of glass, the trends observed in the experiments were correctly recreated.
Keywords: float glass; brittle fracture; stochastic fracture; blast load; shock tube float glass; brittle fracture; stochastic fracture; blast load; shock tube
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Osnes, K.; Hopperstad, O.S.; Børvik, T. Quasi-Static and Dynamic Testing of Annealed Float Glass. Proceedings 2018, 2, 495.

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