Different testing methods for assessing the synthetic fiber distribution in cement-based composites

被引：51
|
作者：
Cao, Mingli [1 ]
Mao, Yaqian [1 ]
Khan, Mehran [1 ]
Si, Wen [1 ]
Shen, Shirley [2 ]
机构：
[1] Dalian Univ Technol, Sch Civil Engn, Dalian, Peoples R China
[2] CSIRO Mfg, Melbourne, Vic, Australia
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2018年 / 184卷
关键词：
Fiber distribution; Image analysis; Cement-based composite; Fluorescence microscopy; Synthetic fibers; SELF-COMPACTING CONCRETE; RAY COMPUTED-TOMOGRAPHY; MECHANICAL-PROPERTIES; REINFORCED CONCRETE; STEEL FIBERS; FLEXURAL BEHAVIOR; IMAGE-ANALYSIS; FLAW SIZE; ORIENTATION; DISPERSION;
D O I：
10.1016/j.conbuildmat.2018.06.207
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Fiber distribution is an important factor which affects the fresh and hardened properties of composites. A variety of methods are available for studying the fiber distribution but image analysis is more widely used for fiber reinforced cement-based composites (FRCs). In this paper, different fiber distribution methods are discussed in detail including optical microscope, scanning electron microscopy, fluorescence microscopy and X-ray computed tomography. It is found that fluorescence microscopy is more widely used for studying fiber dispersion in FRCs and can be applicable to the synthetic fibers. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：128 / 142
页数：15
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