Dubenec
- 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 | 2040 | 5 | 0,23 |
| Real density | 2 | kg/m3 | 2670 | - | - |
| Open porosity | 6 | % | 21,5 | 0,2 | 0,8 |
| Total porosity | výpočtem | % | 23,7 | - | - |
| Apparent porosity | výpočtem | % | 14,9 | - | - |
| Water absorption | 6 | % | 7,32 | 0,08 | 1,1 |
| Water absorption coefficient | 3 | g.m-2.s-1/2 | 73 | 1,3 | 1,7 |
| Linear thermal expansion | 8 | 106.K-1 | 10,7 | 0,75 | 7,1 |
| Compressive strength | 10 | MPa | 46,5 | 2,3 | 4,94 |
| Flexural strength | 10 | MPa | 4,9 | 0,8 | 16,32 |
| Abrasion resistance | 1 | mm | 28,0 | - | - |
