Design parameter |
Symbol |
Units |
3 / 8 |
Nominal anchor diameter 1 / 2
5 / 8
|
3 / 4 |
Ref
A23.3
|
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Anchor O . D . |
d a
|
in .
( mm )
|
0.375
( 9.5 )
|
0.5
( 12.7 )
|
0.625
( 15.9 )
|
0.75
( 19.1 )
|
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Effective minimum embedment 2
|
h ef
|
in .
( mm )
|
1.11
( 28 )
|
1.86
( 47 )
|
2.20
( 56 )
|
1.52
( 39 )
|
2.16
( 55 )
|
3.22
( 82 )
|
2.39
( 61 )
|
3.88
( 99 )
|
2.92
( 74 )
|
4.84
( 123 )
|
|
Minimum concrete thickness |
h min
|
in .
( mm )
|
3-1 / 4
( 83 )
|
4
( 102 )
|
4-7 / 8
( 124 )
|
3-3 / 4
( 95 )
|
4-3 / 4
( 121 )
|
6-3 / 4
( 171 )
|
5
( 127 )
|
7
( 178 )
|
6
( 152 )
|
8-1 / 8
( 206 )
|
|
Critical edge distance |
c ac
|
in .
( mm )
|
2.10
( 53 )
|
2.92
( 74 )
|
3.30
( 84 )
|
2.75
( 70 )
|
3.88
( 99 )
|
5.25
( 133 )
|
3.63
( 92 )
|
5.82
( 148 )
|
4.41
( 112 )
|
7.28
( 185 )
|
Minimum hole depth in concrete |
h o
|
in .
( mm )
|
1-7 / 8
( 48 )
|
2-3 / 4
( 70 )
|
3 1 / 2
( 86 )
|
2-5 / 8
( 67 )
|
3-3 / 8
( 86 )
|
4-5 / 8
( 117 )
|
3-5 / 8
( 92 )
|
5-3 / 8
( 137 )
|
4-3 / 8
( 111 )
|
6-5 / 8
( 168 )
|
Minimum specified ultimate strength |
f uta
|
in .
( mm )
|
107,120
( 739 )
|
97,140
( 670 )
|
90,180
( 622 )
|
81,600
( 563 )
|
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Effective tensile stress area |
A se , N
|
in .
( mm )
|
0.086
( 55.5 )
|
0.161
( 103.9 )
|
0.268
( 172.9 )
|
0.392
( 252.9 )
|
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Steel embedment material resistance |
||||||||||||
factor |
ф s
|
- |
0.85 |
8.4.3 |
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for reinforcement |
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Resistance modification factor for tension , |
R |
- |
0.70 |
D . 5.3 |
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steel failure modes 4
|
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Resistance modification factor for shear , steel failure modes 4
|
R |
- |
0.65 |
D . 5.3 |
Factored steel resistance in tension |
N sar
|
lb
( kN )
|
5,840
( 26.0 )
|
9,200
( 40.9 )
|
14,405
( 64.1 )
|
19,050
( 84.7 )
|
D . 6.1.2 |
Factored steel resistance in shear |
V sar
|
lb
( kN )
|
2,850
( 12.7 )
|
4,525
( 20.1 )
|
6,200
( 27.6 )
|
9,205
( 40.9 )
|
D . 7.1.2 |
Coefficient for factored concrete breakout resistance , uncracked concrete k
|
c , uncr |
- |
10 |
11.2 |
D . 6.2.2 |
||
Modification factor for anchor resistance , tension , uncracked concrete 5
|
ψ c , N
|
- |
10 |
D . 6.2.6 |
|||
Anchor category |
- |
- |
1 |
D . 5.3 ( c ) |
|||
Concrete material resistance factor |
ф c
|
- |
0.65 |
8.4.2 |
|||
Resistance modification factor for tension and shear , concrete failure modes , Condition B 6
|
R |
- |
1.00 |
D . 5.3 ( c ) |