Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5206907 | Polymer Testing | 2010 | 8 Pages |
Abstract
Expanded polystyrene (EPS) slabs were tested to determine their strength and the effects of creep strain under compressive stress. The results were statistically analysed based on long-term experiments between 65 and 2034 days. The analysis shows that it is possible to predict creep strain development for a lead time of 50 years on the basis of the data obtained in experiments shorter than 608 days, as specified in Standard EN 13163. Sufficiently accurate point-wise prediction of creep strain of EPS slabs under a compressive stress Ïc of (0.25 and 0.35)Ï10% for a lead time of 50 years is possible by extrapolating the creep described via a power equation (Findley W.N.) and using data from the 65-day direct experiment.
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Authors
I.Y. Gnip, S. Vaitkus, V. KerÅ¡ulis, S. VÄjelis,