粉煤灰摻入量對輕集料混凝土力學(xué)性能的影響
|
粉煤灰取代率(%) |
齡期(天) |
抗壓強(qiáng)度(MPa) |
|
5 |
3 |
42.5 |
|
7 |
45.3 | |
|
28 |
55.5 | |
|
10 |
3 |
42.2 |
|
7 |
45.7 | |
|
28 |
57.2 | |
|
15 |
3 |
38.0 |
|
7 |
44.0 | |
|
28 |
57.0 | |
|
20 |
3 |
32.5 |
|
7 |
40.0 | |
|
28 |
58.0 |
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