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约束高强混凝土的基本关系研究
同 盈,梁兴文
摘 要
约束高强混凝土的基本关系研究
同 盈,梁兴文(西安建筑科技大学土木工程学院,西安 710055)
[摘要] 基于83个约束高强混凝土试件的试验数据,分别分析了箍筋间距、体积配箍率、箍筋强度、混凝土强度对约束高强混凝土的峰值应力、峰值应变和极限应变的影响。结果表明,配箍特征值综合反映了上述因素的影响,是最主要的影响因素。建立了约束高强混凝土的峰值应力、峰值应变、极限应变与配箍特征值之间的关系。
[关键词] 约束高强混凝土;配箍特征值;峰值应力;峰值应变;极限应变
中图分类号:TU375.02,TU528.01文献标识码:A文章编号:1002-848X(2011)01-0077-02
Study on the basic relationship of confined high-strength concrete
Tong Ying, Liang Xingwen
(College of Civil Engineering, Xian University of Architecture and Technology, Xian 710055, China)
Abstract:According to the experimental results of 83 confined high-strength concrete specimens, the influences of stirrup spacing, volume stirrup ratio, stirrup strength, concrete strength on peak stress, peak strain and ultimate strain of confined high-strength concrete were analyzed. The results show that confining reinforcement characteristic value is the synthetical reflection of the above-mentioned factors and the most important influencing factor. Taking confining reinforcement characteristic value as a parameter, the relations between peak stress, peak strain, ultimate strain and confining reinforcement characteristic value were respectively established.
Keywords:confined high-strength concrete; confining reinforcement characteristic value; peak stress; peak strain; ultimate strain
*国家自然科学基金资助项目(50678149)。
作者简介:同盈,硕士,Email:tongying-218@163.com。 
参考文献
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