in . |
( mm ) |
in . |
( mm ) |
1 / 4 |
( 6.4 ) |
1 |
( 25 ) |
3 / 8 |
( 9.5 ) |
1-9 / 16 |
( 40 ) |
1 / 2 |
( 12.7 ) |
2 |
( 51 ) |
5 / 8 |
( 15.8 ) |
2-9 / 16 |
( 65 ) |
3 / 4 |
( 19.1 ) |
3-3 / 16 |
( 81 ) |
h nom
= nominal embedment depth
|
2 |
( 51 ) |
. 50 |
2 |
( 51 ) |
. 80 |
. 65 |
|||||||||||
2-1 / 2 |
( 64 ) |
. 67 |
2-1 / 2 |
( 64 ) |
. 90 |
. 83 |
|||||||||||
3 |
( 76 ) |
. 83 |
. 50 |
3 |
( 76 ) |
1.0 |
. 80 |
1.0 |
. 65 |
||||||||
3-1 / 2 |
( 89 ) |
1.0 |
. 58 |
3-1 / 2 |
( 89 ) |
. 85 |
. 73 |
||||||||||
4 |
( 102 ) |
. 69 |
. 50 |
4 |
( 102 ) |
. 91 |
. 80 |
. 85 |
. 65 |
||||||||
4-1 / 2 |
( 114 ) |
. 79 |
. 58 |
4-1 / 2 |
( 114 ) |
. 98 |
. 85 |
. 96 |
. 74 |
||||||||
5 |
( 127 ) |
. 90 |
. 67 |
. 50 |
5 |
( 127 ) |
1.0 |
. 90 |
. 80 |
1.0 |
. 83 |
. 65 |
|||||
5-1 / 2 |
( 140 ) |
1.0 |
. 75 |
. 55 |
5-1 / 2 |
( 140 ) |
. 95 |
. 83 |
. 91 |
. 70 |
|||||||
6 |
( 152 ) |
. 83 |
. 61 |
. 50 |
6 |
( 152 ) |
1.0 |
. 87 |
1.0 |
. 77 |
|||||||
7 |
( 178 ) |
1.0 |
. 74 |
. 57 |
6-1 / 2 |
( 165 ) |
. 91 |
. 80 |
. 84 |
. 65 |
|||||||
8 |
( 203 ) |
. 87 |
. 67 |
7 |
( 178 ) |
. 95 |
. 84 |
. 91 |
. 72 |
||||||||
9 |
( 229 ) |
1.0 |
. 77 |
8 |
( 203 ) |
1.0 |
. 90 |
1.0 |
. 83 |
||||||||
10 |
( 254 ) |
. 88 |
9 |
( 229 ) |
. 96 |
. 94 |
|||||||||||
11 |
( 279 ) |
. 98 |
10 |
( 254 ) |
1.0 |
1.0 |
|||||||||||
12 |
( 305 ) |
1.0 |
s min
= 2.0 h nom
|
s cr
= 3.5 h nom
|
c min
=2.0 h nom c cr
= 3.0 h nom
|
c min
= 2.0 h nom
|
c cr
= 3.0 h nom
|
ƒ A
= 0.33
|
s
h nom
|
– 0.17 |
ƒ RN
= 0.2 c + 0.4 h nom
|
ƒ RV
= 0.35 c – 0.05 h nom
|