Stress corrosion parameters for glass with different edge finishing

Conference paper (2013)

Authors

Marc Vandebroek Universiteit Gent
P.C. Louter Steel & Composite Structures - CEG , Steel Structures Laboratory (ICOM), Swiss Federal Institute of Technology
Jonas Dispersyn Universiteit Gent
D Sonck Universiteit Gent
J Belis Universiteit Gent, Structural Design & Mechanics - Architecture and the Built Environment , Magnel Laboratory for Concrete Research
Research Group
Structural Design & Mechanics (Architecture and the Built Environment) (TU Delft)
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Published Date

2013

Language

English

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Faculty

Architecture and the Built Environment

Department

Architectural Engineering +Technology

Research Group

Structural Design & Mechanics

Abstract

The influence of stress corrosion on the edge strength becomes important when designing structural glass elements. As the load duration of the design wind load (600 s) or the design temperature load is larger than the common load duration during testing the glass edge, a strength model must be used to take into account the load duration properly. In such a model, both short term parameters (i.e. the flaw geometry and depth) and stress corrosion parameters are involved. The stress corrosion parameters strongly depend upon the environment, especially the temperature and the humidity. In this study, the latter two are kept constant, for the testing at high stress rate (50 MPa/s), to determine the short term parameters as well as for the testing at low stress rate (2 MPa/s), to determine the stress corrosion parameters. The geometry factor and the stress corrosion parameters were determined for arrised and ground edges.