DEFORMABILITY OF AN EXPANDED POLYSTYRENE EPS 200 UNDER LONG-TERM COMPRESSION

被引：0
|
作者：
Veyalis, S. [1 ]
Gnip, I. Ya. [1 ]
Vaitkus, S. [1 ]
Kershulis, V. [1 ]
机构：
[1] Gediminas Vilnius Tech Univ, Thermoinsulation Inst, Vilnius, Lithuania
来源：
MECHANICS OF COMPOSITE MATERIALS | 2010年 / 46卷 / 05期
关键词：
expanded polystyrene; long-term compression; creep strain; domain of linear creep;
D O I：
10.1007/s11029-010-9167-5
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The results of a study on the creep of EPS 200 plates under compressive stresses sigma(c) in the interval 0.22 <= sigma(c)/sigma(10%) <= 0.80 are presented. From experimental data, the domain of linear creep of the material in the interval of compressive stresses is determined. Under variations of the stress on the interval 0.22 <= sigma(c)/sigma(10%) <= 0.36, the prognostic value of creep strain of the EPS 200 plates for a lead time of 25 years is found to be 2.4%, with a coefficient of variation equal to 18%.
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收藏
页码：505 / 512
页数：8
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