PART 3 TENSION LOAD
Steel Failure
Variables f uta
( continued )
Variables ACI 318-14 Chapter 17 Provision Comments for PROFIS Engineering
f uta
Excerpt from a mechanical anchor ICC-ESR showing the parameters f ya , f uta and the precalculated value for N sa
.
ICC-ESR-3187 Table 3 |
Nominal anchor diameter ( in .) |
DESIGN INFORMATION |
Symbol |
Units |
|
|
|
3 / 8 |
1 / 2 |
5 / 8 |
3 / 4 |
Min . specified yield strength |
f y
|
lb / in 2
|
100,000 |
84,800 |
84,800 |
84,800 |
Min specified ult . strength |
f uta
|
lb / in 2
|
125,000 |
106,000 |
106,000 |
106,000 |
Effective tensile stress area |
A se , N
|
in 2
|
0.052 |
0.101 |
0.162 |
0.237 |
Steel strength in tension |
N sa
|
lb |
6,500 |
10,705 |
17,170 |
25,120 |
Excerpt from an adhesive anchor ICC-ESR showing the pre-calculated value for N sa
.
ICC-ESR-3187 Table 14
DESIGN INFORMATION Symbol Units
Nominal rod diameter ( in .) 3 / 8 1 / 2 5 / 8 3 / 4 7 / 8 1 1-1 / 4
ASTM F1554
Gr . 36
Rod effective crosssectional area
A se in 2 0.0775 0.1419 0.2260 0.3345 0.4617 0.6057 0.9691
N sa in - 8,230 13,110 19,400 26,780 35,130 56,210
Excerpt from an adhesive anchor ICC-ESR showing the parameters f ya , and f uta
.
ICC-ESR-3814 Table 2
THREADED ROD SPECIFICATION
CARBON STEEL
ASTM A193 Grade B7 ≤ 2 1 / 2 in .
ASTM F566 Class 5.8 M5 ( 1 / 4 in .) to M24 ( 1 in .) ( equivalent to ISO 898-1 )
Minimum specified ultimate strength ,
f uta
Minimimum specified yield strenght 0.2 percent offset , f ya
Elongation , f uta
/ f ya min . percent
Reduction of area , min percent
psi 125000 105,000 1.19 16 50
psi 72500 58,000 1.25 10 35
ASTM F1554 , Gr . 36 psi 58000 36,000 1.61 23 40
ASTM F1554 , Gr . 36 psi 75000 55,000 1.36 21 30
ASTM F1554 , Gr . 36 psi 125000 105,000 1.19 15 42
ISO 898-1 Class 5.8 psi 72500 58,000 1.25 22 -
ISO 898-1 Class 5.8 psi 116000 92,800 1.25 12 52
Specification for nuts
ASTM A563 Grade DH
ASTM A563 Grade DH DIN 964 ( 8-A2K )
ASTM A194 or ASTM A563
ASTM A194 or ASTM A563
ASTM A194 or ASTM A563
DIN 934 Grade 6
DIN 934 Grade 8
136 NORTH AMERICAN PROFIS ENGINEERING ANCHORING TO CONCRETE DESIGN GUIDE — ACI 318-14 Provisions