test item | test results | | | | | test method | ||||
| 1d | 3d | 7d | 28d | afer freeze-thaw cycle | | ||||
flexural strength(Mpa) | 7 | 9.8 | 10.7 | 11 | / | GB/T29756-2013 | ||||
| / | | | | 10.6 | JC/T1004-2006 | ||||
compressive strength(Mpa) | 51 | 52.3 | 61.5 | 66.1 | / | GB/T29756-2013 | ||||
| / | | | | 69.4 | JC/T1004-2006 | ||||
compressive strength(Mpa) | average value:37.1 | | | | | ASTM C109/C109M-16a | ||||
tensile strength(Mpa) | longitudinal:21.2 transverse:18.7 | | | | | ASTM C1185-08 | ||||
density(kg/m³) | 1590.0 | | | | | ASTM C1185-08 | ||||
impermeability(Mpa) | 1.3 | | | | | JG/T70-2009 15 |