Drahenický Málkov
- Quarry
- Stone appearance
- Petrographic examination
- Physical properties
- Frost resistance
- Particle size distribution by image analysis
- Chemical and phase composition
- Notes and literature
Physical properties
Parameter | Number of measurement | Unit | Value | Standard deviation | Coefficient of variation [%] |
---|---|---|---|---|---|
Apparent density | 6 | kg/m3 | 2680 | 3 | 0,1 |
Real density | 2 | kg/m3 | 2730 | - | - |
Open porosity | 6 | % | 0,9 | 0,012 | 1,5 |
Total porosity | výpočtem | % | 1,8 | - | - |
Apparent porosity | výpočtem | % | 0,8 | - | - |
Water absorption | 6 | % | 0,30 | 0,004 | 1,2 |
Water absorption coefficient | 6 | g.m-2.s-1/2 | 2,4 | 0,14 | 5,7 |
Linear thermal expansion | 8 | 106.K-1 | 6,3 | 0,47 | 7,4 |
Compressive strength | 10 | MPa | 161,3 | 11,7 | 7,3 |
Flexural strength | 10 | MPa | 21,5 | 1,1 | 5,1 |
Abrasion resistance | 1 | mm | 18 | - | - |