|
混凝土强度标准值
|
强度种类 |
符号 |
混 凝 土 强 度 等 级 |
|||||||||||
C7.5 |
C10 |
C15 |
C20 |
C25 |
C30 |
C35 |
C40 |
C45 |
C50 |
C55 |
C60 |
||
轴心抗压 |
fck |
5 |
6.7 |
10 |
13.5 |
17 |
20 |
23.5 |
27 |
29.5 |
32 |
34 |
36 |
弯曲抗压 |
fcmk |
5.5 |
7.5 |
11 |
15 |
18.5 |
22 |
26 |
29.5 |
32.5 |
35 |
37.5 |
39.5 |
抗 拉 |
ftk |
0.75 |
0.9 |
1.2 |
1.5 |
1.75 |
2 |
2.25 |
2.45 |
2.6 |
2.75 |
2.85 |
2.95 |