Effective min . embedment 2
|
h ef
|
in .
( mm )
|
1-1 / 2
( 38 )
|
1-1 / 2
( 38 )
|
2
( 51 )
|
2-1 / 2 1-1 / 2
( 64 )
( 38 )
|
2
( 51 )
|
2-1 / 2 3-1 / 4 2-3 / 4 3-1 / 4
( 64 )
( 83 )
( 70 )
( 83 )
|
4
( 102 )
|
3-1 / 4 3-3 / 4 4-3 / 4
4
5-3 / 4
( 83 )
( 95 )
( 121 ) ( 102 ) ( 146 )
|
Min . concrete thickness |
h min
|
in .
( mm )
|
See Table 5 |
|||||||
Minimum edge distance |
c min
|
in .
( mm )
|
See Table 5 |
|||||||
Minimum anchor spacing |
s min
|
in .
( mm )
|
See Table 5 |
Steel embed . material resistance factor for |
Φ s
|
- |
0.85 |
0.85 |
0.85 |
0.85 |
0.85 |
0.85 |
8.4.3 |
reinforcement |
|||||||||
Resistance modification factor for tension , steel failure modes 3
|
R |
- |
0.80 |
0.80 |
0.80 |
0.80 |
0.80 |
0.80 |
D . 5.3 |
Min . specified yield strength |
f ya
|
psi
100,900
( N / mm 2 )
( 696 )
|
100,900
( 696 )
|
96,300
( 664 )
|
87,000
( 600 )
|
84,700
( 584 )
|
75,000
( 517 )
|
|
Min . specified ult . strength |
f ut
|
psi
122,400
( N / mm 2 )
( 844 )
|
126,200
( 870 )
|
114,000
( 786 )
|
106,700
( 736 )
|
105,900
( 730 )
|
88,000
( 607 )
|
|
Effective tensile stress area |
A se , N
|
in 2
( mm 2 )
|
0.024
( 15.4 )
|
0.051
( 33.2 )
|
0.099
( 63.6 )
|
0.164
( 106.0 )
|
0.239
( 154.4 )
|
0.470
( 303.2 )
|
Factored steel resistance in tension |
N sar
|
lb
( kN )
|
1,985
( 8.8 )
|
4,420
( 19.7 )
|
7,645
( 34.0 )
|
11,925
( 53.0 )
|
17,230
( 76.6 )
|
28,145
( 125.2 )
|
Anchor category |
- |
- |
3 |
1 |
1 |
1 |
1 |
1 |
D . 5.3 ( c ) |
||||||||||
Concrete material resistance factor |
Φ c
|
- |
0.65 |
0.65 |
0.65 |
0.65 |
0.65 |
0.65 |
8.4.2 |
||||||||||
Resistance modification factor for tension and shear , concrete failure modes , |
R |
- |
0.75 |
1.00 |
1.00 |
1.00 |
1.00 |
1.00 |
D . 5.3 ( c ) |
||||||||||
Condition B 5
|
|||||||||||||||||||
Coeff . for factored conc . |
|||||||||||||||||||
breakout resistance , |
k c , uncr
|
- |
10.0 |
10.0 |
10.0 |
10.0 |
11.3 |
11.3 |
10.0 |
10.0 |
10.0 |
10.0 |
10.0 |
11.3 |
11.3 7
|
10.0 |
11.3 |
10.0 |
D . 6.2.2 |
uncracked concrete |
|||||||||||||||||||
Coeff . for factored conc . breakout resistance , cracked |
k c , cr
|
- |
7.1 |
8.8 |
8.8 |
7.1 |
10.0 |
8.8 |
8.8 |
7.1 |
8.8 |
8.8 |
7.1 |
8.8 |
8.8 |
8.8 |
8.8 |
8.8 |
D . 6.2.2 |
concrete |
|||||||||||||||||||
Modification factor for anchor resistance , tension , |
Ψ c , N
|
- |
1.0 |
1.0 |
1.0 |
1.0 |
1.0 |
1.0 |
|||||||||||
uncracked conc . 4
|
Critical edge distance |
c ac
|
in .
( mm )
|
4
( 102 )
|
5
4-3 / 8 5-1 / 2
8
5-1 / 2 6-3 / 4
10
10
11-1 / 2 8-3 / 4
12
10
9
11
16
( 127 ) ( 111 ) ( 140 ) ( 203 ) ( 140 ) ( 171 ) ( 254 ) ( 254 ) ( 292 ) ( 222 ) ( 305 ) ( 254 ) ( 229 ) ( 279 ) ( 406 )
|
|||||||||||||||
Factored pullout resistance in
20 MPa uncracked concrete 6
|
N pr , uncr
|
lb
( kN )
|
1,055
( 4.7 )
|
N / A |
N / A 2 , 865 N / A
( 12.7 )
|
N / A |
N / A |
N / A 3 , 770 N / A 6 , 300 N / A
( 16.8 )
( 28.0
|
N / A |
N / A |
N / A |
N / A |
D . 6.3.2 |
||||||
Factored pullout resistance in
20 MPa cracked concrete 6
|
N pr , cr
|
lb
( kN )
|
325
( 1.4 )
|
N / A |
N / A |
N / A |
N / A |
N / A |
N / A |
N / A |
N / A |
N / A |
N / A |
N / A |
N / A 6 , 000 N / A 8 , 275
( 26.7 )
( 36.8 )
|
D . 6.3.2 |
|||
Factored pullout resistance in |
lb |
325 |
5,880 |
8,275 |
|||||||||||||||
20 MPa cracked concrete , seismic 6
|
N pr , eq
|
( kN ) |
( 1.4 ) |
N / A |
N / A |
N / A |
N / A |
N / A |
N / A |
N / A |
N / A |
N / A |
N / A |
N / A |
N / A |
( 26.1 ) |
N / A |
( 36.8 ) |
D . 6.3.2 |
Normalization factor , uncracked concrete |
n uncr
|
- |
0.20 |
0.22 |
0.24 |
0.35 |
0.50 |
0.42 |
0.29 |
0.35 |
0.50 |
0.48 |
0.50 |
0.35 |
0.31 |
0.39 |
N / A |
0.38 |
|
Normalization factor , cracked concrete , seismic |
n cr
|
- |
0.39 |
0.50 |
0.46 |
0.28 |
0.47 |
0.50 |
0.48 |
0.40 |
0.50 |
0.47 |
0.50 |
0.36 |
0.42 |
0.29 |
N / A |
0.50 |