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  1. 1 2011

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  1. 1 Ficker T.

  2. 1 Martišek D.

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Roughness and fractality of fracture surfaces as indicators of mechanical quantities of porous solids

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Ficker T., Martišek D.
Open Physics
|
2011
|
vol. 9
|
issue 6
1440-1445
EN
The 3D profile surface parameter H q and fractal dimension D were tested as indicators of mechanical properties inferred from fracture surfaces of porous solids. High porous hydrated cement pastes were used as prototypes of porous materials. Both the profile parameter H q and the fractal dimension D showed capability to assess compressive strength from the fracture surfaces of hydrated pastes. From a practical point of view the 3D profile parameter H q seems to be more convenient as an indicator of mechanical properties, as its values suffer much less from statistical scatter than those of fractal dimensions.
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