摘要
研究了不同离析度下混凝土的骨料分形特征;测试了掺加不同掺合料混凝土的离析度,通过计算得出混凝土骨料的分布分形维数。研究表明:当离析度不同时,混凝土的骨料分布分形维数也不同,随着离析度的增大,骨料分布分形维数标准差变大;分形理论可以较好的反应混凝土的离析状态,运用骨料的分形维数评价混凝土的离析状态十分有效。
The fractal feature under different intensity of segregation was studied;tested the concrete segregation intensity of different admixture and calculated the fractal dimensions of aggregate.Studies showed that at different segregation intensities ,the concrete aggregate fractal dimensions were different and with the increasing of the segregation intensity ,the standard deviation of aggregate fractal dimensions became lager;fractal theory can be a better response of concrete segregation status,evaluating concrete segregation by the fraction of aggregate is effective.
出处
《混凝土》
CAS
CSCD
北大核心
2014年第8期1-4,共4页
Concrete
基金
国家自然科学基金项目(51078241)
"十二五"国家科技计划项目(2012ZX07202-008)
关键词
分形
骨料分维
离析度
fractal
aggregate fractal dimension
intensity of segregation
