再生集料对混凝土强度影响
|
编号 |
再生集料用量
(%) |
抗压强度(MPa) | ||
|
7天 |
28天 |
90天 | ||
|
基准 |
0 |
39.8 |
52.3 |
53.1 |
|
№1 |
20 |
50.7 |
59.3 |
64.5 |
|
№2 |
40 |
46.5 |
59.2 |
66.7 |
|
№3 |
60 |
47.8 |
60.0 |
62.0 |
|
№4 |
80 |
46.7 |
55.9 |
61.4 |
|
№5 |
100 |
44.7 |
49.9 |
62.3 |