Abstract
The paper deals with the analysis of the fractal dimension of fracture surfaces of concrete specimens tested in a three-point bending configuration. Fifteen representative specimens were chosen out of a bigger set for the fractal dimension analysis. Their fracture surfaces were scanned by 2D optical profilometry and analysed by the FracDiM software created in the Java programming language. The resulting values of fractal dimensions for specimens of three different sizes are presented.
Highlights
The aim of this paper is to analyse the geometrical properties of fracture surfaces of concrete specimens tested in a three-point bending (3PB) configuration [1]
Fifteen representative specimens were chosen out of this set for fractal dimension analysis. Their fracture surfaces were scanned by 2D optical profilometry [2, 3, 4] and analysed by the FracDiM software [5], created in the JavaTM [6] programming language
The software provides the values of fractal dimensions D [7, 8, 9] for each scanned row, which is perpendicular to the direction of the evolving crack
Summary
The aim of this paper is to analyse the geometrical properties of fracture surfaces of concrete specimens tested in a three-point bending (3PB) configuration [1]. This type of test is characterized by a higher level of constraint at the tip of a propagating crack. Fifteen representative specimens were chosen out of this set for fractal dimension analysis Their fracture surfaces were scanned by 2D optical profilometry [2, 3, 4] and analysed by the FracDiM software [5], created in the JavaTM [6] programming language. The software provides the values of fractal dimensions D [7, 8, 9] for each scanned row, which is perpendicular to the direction of the evolving crack
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