Experimental investigations on the behaviour of autoclaved aerated concrete under fatigue and sustained loads

被引：0
|
作者：
Raue, E [1 ]
Tartsch, E [1 ]
机构：
[1] Bauhaus Univ Weimar, Dept Reinforced Concrete Struct, D-99421 Weimar, Germany
来源：
8TH INTERNATIONAL CONFERENCE ON MODERN BUILDING MATERIALS, STRUCTURES AND TECHNIQUES | 2004年
关键词：
autoclaved aerated concrete; AAC; fatigue strength; sustained loading strength; sinusoidal loading; stiffness degradation; smith diagram; S/N plot;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Fatigue strength of concrete is lower than static strength. It was tried to accelerate destabilisation process due to microcracking by fatigue loads in order to get information about it's sustained loading strength quickly. Fatigue strength of autoclaved aerated concrete (AAC) is observed applying cyclic loads to unreinforced cylinders. The AAC was found to be less sensitive than lightweight concrete to fatigue loads. The fatigue tests are supplemented by tests with sustained loads. It can be assumed that both the behaviour under static and fatigue loads is comparable with that of lightweight and normal concrete. A substantial influence of load duration especially at high load levels was found.
引用
收藏
页码：145 / 150
页数：6
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