Flexural Behaviour of Reinforced Concrete Members Subjected to Freeze-Thaw Cycles

被引：0
|
作者：
Duan, An [1 ]
Jin, Weiliang [1 ]
机构：
[1] Zhejiang Univ, Inst Struct Engn, Hangzhou 310058, Zhejiang, Peoples R China
来源：
FRONTIERS OF GREEN BUILDING, MATERIALS AND CIVIL ENGINEERING, PTS 1-8 | 2011年 / 71-78卷
关键词：
Freeze-thaw cycles; Concrete member; Flexural behaviour;
D O I：
10.4028/www.scientific.net/AMM.71-78.712
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The purpose of this research is to investigate the influence of the freeze-thaw cycles on the flexural behavior of reinforced concrete members. The variation of the concrete stress-strain relationship due to frozen-thawed deterioration was considered. The temperature distribution was calculated based on the heat conduction theory, and the damaged region affected by freeze-thaw cycles was determined. By using Reponse-2000 program, the flexural behaviour of a reinforced concrete slab was analyzed and predicted. The analytical results show that with increase of number of freeze-thaw cycles, the yield moment, the ultimate moment and the curvature ductility decreased, while the relative depth of neutral axis and the midspan deflection increased.
引用
收藏
页码：712 / 716
页数：5
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