梁纵向钢筋单排最大根数 (净保护层厚度:25mm)
梁宽 b |
钢筋直径(mm) |
|||||||||
14 |
16 |
18 |
20 |
22 |
25 |
28 |
32 |
36 |
40 |
|
150 |
2/3 |
2/3 |
2 |
2 |
2 |
2 |
1/2 |
1 |
1 |
1 |
200 |
4 |
3/4 |
3/4 |
3 |
3 |
3 |
2/3 |
2 |
2 |
1/2 |
250 |
5 |
5 |
4/5 |
4/5 |
4 |
3/4 |
3 |
2/3 |
2 |
2 |
300 |
6/7 |
6 |
5/6 |
5/6 |
5 |
4/5 |
4 |
3/4 |
3 |
2/3 |
350 |
7/8 |
7 |
6/7 |
6/7 |
6 |
5/6 |
4/5 |
4 |
3/4 |
3 |
400 |
8/9 |
8/9 |
7/8 |
7/8 |
6/7 |
6/7 |
5/6 |
4/5 |
4/5 |
3/4 |
450 |
9/10 |
9/10 |
8/9 |
8/9 |
7/9 |
7/8 |
6/7 |
5/6 |
4/5 |
4/5 |
500 |
10/12 |
10/11 |
10/11 |
9/10 |
8/10 |
7/9 |
6/8 |
6/7 |
5/6 |
4/5 |
550 |
12/13 |
11/12 |
11/12 |
10/11 |
9/11 |
8/10 |
7/9 |
6/8 |
5/7 |
5/6 |
600 |
13/14 |
12/14 |
12/13 |
11/12 |
10/12 |
9/11 |
8/10 |
7/8 |
6/7 |
5/7 |
梁宽 b |
14 |
16 |
18 |
20 |
22 |
25 |
28 |
32 |
36 |
40 |
注:表内分数值,其分子为梁上部纵筋单排最大根数,分母为梁下部钢筋单排最大根数。
梁纵向钢筋单排最大根数 (净保护层厚度:30mm)
梁宽 b
(mm)钢筋直径(mm)
14
16
18
20
22
25
28
32
36
40
150
2
2
2
2
2
2
1/2
1
1
1
200
3/4
3
3
3
3
2/3
2/3
2
2
1/2
250
5
4/5
4/5
4
4
3/4
3
2/3
2
2
300
6
5/6
5/6
5
4/5
4/5
4
3/4
3
2/3
350
7/8
6/7
6/7
6/7
5/6
5/6
4/5
4
3/4
3
400
8/9
8
7/8
7/8
6/7
6/7
5/6
4/5
4/5
3/4
450
9/10
9/10
8/9
8/9
7/8
6/8
6/7
5/6
4/5
4/5
500
10/11
10/11
9/10
9/10
8/9
7/9
6/8
6/7
5/6
4/5
550
11/12
11/12
10/11
10/11
9/10
8/10
7/9
6/8
5/7
5/6
600
12/14
12/13
11/13
11/12
10/12
9/11
8/10
7/8
6/7
5/7
梁宽 b
14
16
18
20
22
25
28
32
36
40
注:表内分数值,其分子为梁上部纵筋单排最大根数,分母为梁下部钢筋单排最大根数。
梁纵向钢筋单排最大根数 (净保护层厚度 35mm)
梁宽 b |
钢筋直径(mm) |
|||||||||
14 |
16 |
18 |
20 |
22 |
25 |
28 |
32 |
36 |
40 |
|
150 |
2 |
2 |
2 |
2 |
2 |
1/2 |
1 |
1 |
1 |
1 |
200 |
3 |
3 |
3 |
3 |
2/3 |
2/3 |
2 |
2 |
2 |
1/2 |
250 |
4/5 |
4/5 |
4 |
4 |
3/4 |
3/4 |
3 |
2/3 |
2 |
2 |
300 |
5/6 |
5/6 |
5 |
5 |
4/5 |
4/5 |
3/4 |
3/4 |
3 |
2/3 |
350 |
7/7 |
6/7 |
6/7 |
6 |
5/6 |
5/6 |
4/5 |
4 |
3/4 |
3 |
400 |
8/9 |
7/8 |
7/8 |
7 |
6/7 |
5/7 |
5/6 |
4/5 |
4/5 |
3/4 |
450 |
9/10 |
8/9 |
8/9 |
8/9 |
7/8 |
6/8 |
6/7 |
5/6 |
4/5 |
4/5 |
500 |
10/11 |
10/11 |
9/10 |
9/10 |
8/9 |
7/9 |
6/8 |
5/7 |
5/6 |
4/5 |
550 |
11/12 |
11/12 |
10/11 |
10/11 |
9/10 |
8/10 |
7/9 |
6/8 |
5/7 |
5/6 |
600 |
12/14 |
12/13 |
11/12 |
11/12 |
10/11 |
9/11 |
8/9 |
7/8 |
6/7 |
5/7 |
梁宽 b |
14 |
16 |
18 |
20 |
22 |
25 |
28 |
32 |
36 |
40 |
注:表内分数值,其分子为梁上部纵筋单排最大根数,分母为梁下部钢筋单排最大根数。
梁纵向钢筋单排最大根数 (净保护层厚度 40mm)
梁宽 b |
钢筋直径(mm) |
|||||||||
14 |
16 |
18 |
20 |
22 |
25 |
28 |
32 |
36 |
40 |
|
150 |
2 |
2 |
2 |
2 |
1/2 |
1 |
1 |
1 |
1 |
1 |
200 |
3 |
3 |
3 |
3 |
2/3 |
2 |
2 |
2 |
1/2 |
1/2 |
250 |
4/5 |
4 |
4 |
4 |
3/4 |
3 |
3 |
2/3 |
2 |
2 |
300 |
5/6 |
5 |
5 |
5 |
4/5 |
4 |
3/4 |
3 |
3 |
2/3 |
350 |
6/7 |
6/7 |
6 |
6 |
5/6 |
4/5 |
4/5 |
3/4 |
3/4 |
3 |
400 |
7/8 |
7/8 |
7/8 |
7 |
6/7 |
5/6 |
5/6 |
4/5 |
4 |
3/4 |
450 |
8/10 |
8/9 |
8/9 |
8 |
7/8 |
6/7 |
5/7 |
5/6 |
4/5 |
4/5 |
500 |
10/11 |
9/10 |
9/10 |
9 |
8/9 |
7/8 |
6/8 |
5/7 |
5/6 |
4/5 |
550 |
11/12 |
10/12 |
10/11 |
10/11 |
9/10 |
8/9 |
7/8 |
6/7 |
5/7 |
5/6 |
600 |
12/13 |
11/13 |
11/12 |
11/12 |
10/11 |
8/10 |
8/9 |
7/8 |
6/7 |
5/7 |
梁宽 b |
14 |
16 |
18 |
20 |
22 |
25 |
28 |
32 |
36 |
40 |
注:表内分数值,其分子为梁上部纵筋单排最大根数,分母为梁下部钢筋单排最大根数。
本文来源:《MorGain 结构快速设计程序》。该表在梁钢筋设计中为常用表格。