UNIFORMITY ASSESSMENT OF CARBON FIBRES DISPERSION IN CEMENT PASTE BY IMPEDANCE MEASUREMENTS

被引：0
|
作者：
SHUI Zhonghe Piet StroevenWuhan University of TechnologyFaculty of Civil Eng. Delft University of Technology
机构：
来源：
JournalofWuhanUniversityofTechnology-MaterialsScience | 1999年 / 01期
关键词：
carbon fibers; uniformity assessment; fiber concrete;
D O I：
暂无
中图分类号：
TU528.572 [纤维增强混凝土];
学科分类号：
摘要：
An alternating current was applied to measure the impedance of a hardened cement paste with various contents of carbon fibres. When the free water content in the hardened cement paste is 90%-98%, and the measuring frequency 500Hz, an approximate linear relationship was found between fibre content and impedance of the composite. Based on this relationship , a new attempt was made to evaluate the dispersion uniformity of carbon fibres in cement paste by impedance measurement. The standard deviation S and the coefficient of vriation S/Xi
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页码：52 / 57
页数：6
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