The effect of exposure to elevated temperatures on the fracture energy of plain concrete

被引：63
|
作者：
Baker, G [1 ]
机构：
[1] Univ Queensland, Dept Civil Engn, St Lucia, Qld 4072, Australia
来源：
MATERIALS AND STRUCTURES | 1996年 / 29卷 / 190期
关键词：
D O I：
10.1007/BF02486347
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Results are given for the fracture energy of concrete preheated to temperatures in the range of 20 degreesC-600 degreesC, then tested at room temperature in three-point bending, for both slowly-cooled specimens and those delivered a thermal shock. Fracture energy measurement techniques are discussed, and comparisons made across previous studies. The results suggest a significant difference between residual and 'hot' capacities, along with a temperature dependence on the ductile-brittle transition.
引用
收藏
页码：383 / 388
页数：6
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