1.0 TENSION
1.5 Steel Failure Mode
Variables ƒ uta
( continued )
Variables ACI 318-19 Chapter 17 Provision Comments for PROFIS Engineering ƒuta Excerpt from a mechanical anchor ESR showing the parameters ƒ ya
, ƒ uta and the pre-calculated value for N sa
.
ICC-ES ESR-1917 Table 3 |
Nominal anchor diameter ( in .) |
DESIGN INFORMATION |
Symbol |
Units |
|
|
|
3 / 8 |
1 / 2 |
5 / 8 |
3 / 4 |
Min . specified yield strength |
ƒ y
|
lb / in 2
|
100,000 |
84,800 |
84,800 |
84,800 |
Min specified ult . strength |
ƒ 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 ESR showing the pre-calculated value for N sa .
ICC-ES ESR-3187 Table 11
DESIGN INFORMATION Symbol Units
Nominal rod diameter ( in .) 3 / 8 1 / 2 5 / 8 3 / 4 7 / 8 1 1-1 / 4
Rod effective crosssectional area
A se in 2 0.0775 0.1419 0.2260 0.3345 0.4617 0.6057 0.9691
ASTM F1554 Gr . 36
Nominal strength as governed by steel strength
N sa in - 8,230 13,110 19,400 26,780 35,130 56,210
Excerpt from an adhesive anchor ESR showing the parameters ƒ ya , and ƒ uta
.
ICC-ES ESR-3187 Table 3
THREADED ROD SPECIFICATION
CARBON STEEL
ASTM A193 Grade B7 ≤ 2 1 / 2 in .
ASTM F568M Class 5.8 M5 ( 1 / 4 in .) to M24 ( 1 in .) ( equivalent to ISO 898-1 )
Minimum specified ultimate strength ,
ƒ uta
Minimum specified yield strength 0.2 percent offset ,
ƒ ya
Elongation , ƒ uta
/ ƒ ya min . percent
Reduction of Area , min . percent
Specification for nuts
psi 125,000 105,000 1.19 16 50 ASTM A194 or AST A563
psi 72,500 58,000 1.25 10 35
ASTM A563 Grade DH DIN 934 ( 8-A2K )
ASTM F1554 , Grade 36 psi 58,000 36,000 1.61 23 40 AST A194 or ASTM A563
142 NORTH AMERICAN PROFIS ENGINEERING ANCHORING TO CONCRETE DESIGN GUIDE — ACI 318-19 Provisions