◇ ??, ??: 1?? ????? 35~50MPa? ??? 3?? ????? 50~70MPa? ??? ????? ????
?? ??? ???? ????.
◇ ????: 0~10℃??? ????? ???????? 5~6??? 0~-20℃?? ??? ???? ????
3~7?? ??? ????? 70~80%? ??? ??????? 300??? ????? ??.
◇ ????: ???? ?????? ??? ??? ???????? 2~3???.
◇ ??????? ???? ???? ??.
◇ ????? ???? ?? ??????? ??????????? ???? ????? >1??.
◇ ????(m2/kg): ≥350
◇ ????(?): ?? ≥25; ?? ≤180; ????? ???? ??? ?? ??? ? ??.
◇ ????
?? |
????MPa |
???MPa |
||||
1d |
3d |
28d |
1d |
3d |
28d |
|
42.5 |
30.0 |
42.5 |
45.0 |
6.0 |
6.5 |
7.0 |
52.5 |
40.0 |
52.5 |
55.0 |
6.5 |
7.0 |
7.5 |
62.5 |
50.0 |
62.5 |
65.0 |
7.0 |
7.5 |
8.0 |
72.5 |
55.0 |
72.5 |
75.0 |
7.5 |
8.0 |
8.5 |
◇ ???(??)????;
◇ ????, ????;
◇ ????;
◇ ??????;
◇ ????? ? ??????(precasting);
◇ ?? ? ?? ??;
◇ ??????
◇ ???? ??? ?????? ??. 1??? 6000????? ??? ??? 3?? ????? ?????.
◇ ?????(????)
◇ ????? ? ?? ? ??? ??.
◇ ?? 35~40?? ???? ??????? ???? ??? ??????.