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。
