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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  | ||||||||










