Boršov
- 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 | 2610 | 1,6 | 0,06 |
| Real density | 2 | kg/m3 | 2650 | - | - |
| Open porosity | 6 | % | 0,8 | 0,033 | 2,9 |
| Total porosity | výpočtem | % | 1,3 | - | - |
| Apparent porosity | výpočtem | % | 0,6 | - | - |
| Water absorption | 6 | % | 0,25 | 0,005 | 2 |
| Water absorption coefficient | 3 | g.m-2.s-1/2 | 1,0 | 0,05 | 4,6 |
| Linear thermal expansion | 8 | 106.K-1 | 6,6 | 1,07 | 16,1 |
| Compressive strength | 10 | MPa | 225,7 | 26,3 | 11,7 |
| Flexural strength | 10 | MPa | 28,2 | 0,9 | 3,2 |
| Abrasion resistance | 1 | mm | 16,0 | - | - |
