Table 3 Main specifications of Firuzkuh sand (ACI304.1-R-92, 1997; http://taminmaseh.ir/Content/Content.aspx?PageCode=28810&mode=5).
Main chemical components (%) | ||||||
|---|---|---|---|---|---|---|
SiO2 | Al2O3 | Fe2O3 | CaO | Na2O | K2O | L.O.I |
97.1 | 0.8 | 0.6 | 0.5 | 0.3 | 0.6 | 0.2 |
Sand type | Physical properties | |||||
|---|---|---|---|---|---|---|
Specific density (ton/m3) | Humidity (%) | Mohs hardness | ||||
D11 | 2.62 | 0.21 | 7 | |||
NO. 161 | 2.68 | |||||
NO. 131 | 2.65 | |||||
NO. 181 | 2.73 | |||||