Libná
- 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 | 2240 | 4 | 0,20 |
| Real density | 2 | kg/m3 | 2690 | - | - |
| Open porosity | 6 | % | 14,8 | 0,2 | 1,4 |
| Total porosity | výpočtem | % | 16,7 | - | - |
| Apparent porosity | výpočtem | % | 9,1 | - | - |
| Water absorption | 6 | % | 4,07 | 0,07 | 1,6 |
| Water absorption coefficient | 3 | g.m-2.s-1/2 | 69 | 6,7 | 9,7 |
| Linear thermal expansion | 8 | 106.K-1 | 10,5 | 1,00 | 9,5 |
| Compressive strength | 10 | MPa | 74,3 | 5,2 | 6,99 |
| Flexural strength | 10 | MPa | 5,9 | 0,5 | 8,47 |
| Abrasion resistance | 1 | mm | 20 | - | - |
