Figure 3 |
Anchors not permitted in shaded area
c min , 1 c min , 2
Case 2
Case 1
|
For a specific edge distance , the permitted spacing is calculated as follows :
( s min , 1 – s min , 2
) s ≥ s min , 2
+ ___________ ( c – c min , 2 )
( c min , 1 – c min , 2
)
|
spacing s
s design
|
c min , 1 at s min , 1
|
c min , 2 at s min , 2
|
Setting |
||
information |
Symbol |
Units |
Nominal anchor diameter d o
|
|||||
1 / 4 |
3 / 8 |
1 / 2 |
5 / 8 |
3 / 4 |
1 |
h ef
|
in .
( mm )
|
1-1 / 2
( 38 )
|
2
( 51 )
|
2
( 51 )
|
3-1 / 4
( 83 )
|
3-1 / 8
( 79 )
|
4
( 102 )
|
3-3 / 4
( 95 )
|
5
( 127 )
|
4
( 102 )
|
5-3 / 4
( 146 )
|
|||||
h min
|
in .
( mm )
|
4
( 102 )
|
4
( 102 )
|
5
( 127 )
|
4
( 102 )
|
6
( 152 )
|
6
( 152 )
|
8
( 203 )
|
5
( 127 )
|
6
( 152 )
|
8
( 203 )
|
6
( 152 )
|
8
( 203 )
|
8
( 203 )
|
8
( 203 )
|
10
( 254 )
|
c min , 1
|
in .
( mm )
|
1-3 / 8
( 35 )
|
2
( 51 )
|
1-5 / 8
( 41 )
|
2-1 / 2
( 68 )
|
1-7 / 8
( 48 )
|
1-5 / 8
( 41 )
|
1-5 / 8
( 41 )
|
3-1 / 4
( 83 )
|
2-1 / 2
( 64 )
|
2-1 / 2
( 64 )
|
3-1 / 4
( 83 )
|
3
( 76 )
|
2-7 / 8
( 73 )
|
3-1 / 2
( 89 )
|
3
( 76 )
|
in . |
1-3 / 4 |
4 |
3-5 / 8 |
5 |
4-5 / 8 |
4-1 / 2 |
4-1 / 4 |
5-5 / 8 |
5-1 / 4 |
5 |
7 |
6-7 / 8 |
6-5 / 8 |
6-3 / 4 |
6-3 / 4 |
( mm ) |
( 44 ) |
( 102 ) |
( 92 ) |
( 127 ) |
( 117 ) |
( 114 ) |
( 108 ) |
( 143 ) |
( 133 ) |
( 127 ) |
( 178 ) |
( 175 ) |
( 168 ) |
( 172 ) |
( 172 ) |
in . |
1-1 / 4 |
2 |
1-3 / 4 |
2-1 / 2 |
2-1 / 4 |
2-1 / 8 |
1-7 / 8 |
3-1 / 8 |
2-1 / 8 |
2-1 / 8 |
4 |
3-1 / 2 |
3-1 / 2 |
5 |
4-3 / 4 |
( mm ) |
( 32 ) |
( 51 ) |
( 44 ) |
( 64 ) |
( 57 ) |
( 54 ) |
( 48 ) |
( 79 ) |
( 54 ) |
( 54 ) |
( 102 ) |
( 89 ) |
( 89 ) |
( 127 ) |
( 121 ) |
Embedment |
in . |
1-3 / 4 |
1-3 / 4 |
1-3 / 4 |
1-3 / 4 |
1-3 / 4 |
1-3 / 4 |
h nom
|
( mm ) |
( 44 ) |
( 44 ) |
( 44 ) |
( 44 ) |
( 44 ) |
( 44 ) |
1-1 / 4 |
( 32 ) |
0.64 |
n / a |
0.56 |
n / a |
n / a |
n / a |
1-3 / 8 |
( 35 ) |
0.65 |
0.53 |
0.57 |
0.26 |
0.51 |
n / a |
1-1 / 2 |
( 38 ) |
0.67 |
0.56 |
0.57 |
0.29 |
0.56 |
n / a |
2 |
( 51 ) |
0.72 |
0.68 |
0.60 |
0.45 |
0.68 |
n / a |
3 |
( 76 ) |
0.83 |
1.00 |
0.65 |
0.83 |
1.00 |
n / a |
3-1 / 2 |
( 89 ) |
0.89 |
0.67 |
1.00 |
n / a |
||
4 |
( 102 ) |
0.94 |
0.70 |
0.88 |
|||
4-1 / 2 |
( 114 ) |
1.00 |
0.72 |
0.94 |
|||
5 |
( 127 ) |
0.74 |
0.99 |
||||
5-1 / 2 |
( 140 ) |
0.77 |
1.00 |
||||
6 |
( 152 ) |
0.79 |
|||||
7 |
( 178 ) |
0.84 |
|||||
8 |
( 203 ) |
0.89 |
|||||
9 |
( 229 ) |
0.94 |
|||||
10 |
( 254 ) |
0.99 |
|||||
11 |
( 279 ) |
1.00 |