Kopaniny
- 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 | 2650 | 1 | 0,04 |
Real density | 2 | kg/m3 | 2677 | - | - |
Open porosity | 6 | % | 0,7 | 0,140 | 20,3 |
Total porosity | výpočtem | % | 1,1 | - | - |
Apparent porosity | výpočtem | % | 0,7 | - | - |
Water absorption | 6 | % | 0,25 | 0,005 | 1,9 |
Water absorption coefficient | 3 | g.m-2.s-1/2 | 1,4 | 0,09 | 6,5 |
Linear thermal expansion | 8 | 106.K-1 | 6,3 | 0,95 | 15,1 |
Compressive strength | 10 | MPa | 207,1 | 16,9 | 8,2 |
Flexural strength | 10 | MPa | 18,2 | 1,0 | 5,5 |
Abrasion resistance | 1 | mm | 17,5 | - | - |