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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 |