THE DETERMINATION OF DIFFUSIVE TORTUOSITY IN CONCRETE SPECIMENS USING X-RAY MICROTOMOGRAPHY

被引：12
|
作者：
Ranachowski, Z. [1 ]
Jozwiak-Niedzwiedzka, D. [1 ]
Ranachowski, P. [1 ]
Dabrowski, M. [1 ]
Kudela, S., Jr. [2 ]
Dvorak, T. [2 ]
机构：
[1] Polish Acad Sci, Inst Fundamental Technol Res, PL-02106 Warsaw, Poland
[2] Inst Mat & Machine Mech, Bratislava 83102, Slovakia
来源：
ARCHIVES OF METALLURGY AND MATERIALS | 2015年 / 60卷 / 02期
关键词：
X-ray tomography; concrete microstructure; diffusive tortuosity; MU-CT; MICROSTRUCTURE;
D O I：
10.1515/amm-2015-0140
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The paper presents a method of pore connectivity analysis applied to specimens of cement based composites differing in water to cement ratio. The method employed X-ray microtomography (micro-CT). Microtomography supplied digitized three-dimensional radiographs of small concrete specimens. The data derived from the radiographs were applied as an input into the application based on the algorithm called 'random walk simulation'. As the result a parameter called diffusive tortuosity was established and compared with estimated porosity of examined specimens.
引用
收藏
页码：1115 / 1119
页数：5
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