Kocbeře
- 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 | 2250 | 8 | 0,36 |
| Real density | 2 | kg/m3 | 2660 | - | - |
| Open porosity | 6 | % | 13,9 | 0,3 | 2,2 |
| Total porosity | výpočtem | % | 15,3 | - | - |
| Apparent porosity | výpočtem | % | 7,2 | - | - |
| Water absorption | 6 | % | 3,21 | 0,07 | 2,0 |
| Water absorption coefficient | 3 | g.m-2.s-1/2 | 92 | 11,0 | 11,9 |
| Linear thermal expansion | 8 | 106.K-1 | 11,9 | 1,41 | 11,9 |
| Compressive strength | 10 | MPa | 63,1 | 8,7 | 13,78 |
| Flexural strength | 10 | MPa | 6,4 | 0,7 | 10,93 |
| Abrasion resistance | 1 | mm | 22,0 | - | - |
