PART 3 TENSION LOAD
Side-Face Blowout Failure
Results N sb
( continued )
Results ACI 318-14 Chapter 17 Provision Comments for PROFIS Engineering
N sb
PROFIS Engineering bearing area values ( A brg ) for the cast-in anchors in its portfolio .
MATERIAL SPECIFICATION
AWS D1.1 Type B Headed Stud
" ASTM F1554 Headed Bolt Gr . 36 , Gr . 55 , Gr . 105 "
Diameter ( d 0
) ( in )
Bearing area ( A brg in 2 ) welded headed stud
Bearing area ( A brg in 2 ) square head bolt
Bearing area ( A brg in 2 ) heavy square bolt
Bearing area ( A brg in 2 ) hex head bolt
Bearing area ( A brg in 2 ) heavy hex head bolt
0.500 |
0.589 |
0.625 |
0.920 |
0.750 |
0.785 |
0.875 |
0.884 |
0.500 |
0.464 |
0.569 |
0.291 |
0.467 |
0.625 |
0.693 |
0.822 |
0.454 |
0.671 |
0.750 |
0.824 |
1.210 |
0.654 |
0.911 |
0.875 |
1.121 |
1.465 |
0.891 |
1.188 |
1.000 |
1.465 |
1.855 |
1.163 |
1.501 |
1.125 |
1.854 |
2.291 |
1.472 |
1.851 |
1.250 |
2.228 |
2.773 |
1.817 |
2.237 |
1.375 |
2.769 |
3.300 |
2.199 |
2.659 |
1.500 |
3.295 |
3.873 |
2.617 |
3.118 |
1.750 |
|
|
|
4.144 |
2.000 |
|
|
|
5.316 |
17.2.6 Modification factor λ a for lightweight concrete shall be taken as :
Cast-in and undercut anchor concrete failure ......................... 1.0 λ where λ is determined in accordance with 19.2.4 .
17.2.7 The values of f ́c used for calculation purposes in this chapter shall not exceed 10,000 psi for cast-in anchors ………………
17.7.1 Unless determined in accordance with 17.7.4 , minimum center-to-center spacing of anchors shall be 4d a for cast-in anchors that will not be torqued , and 6d a for torqued cast-in anchors …………………….
17.7.2 Unless determined in accordance with 17.7.4 , minimum edge distances for cast-in anchors that will not be torqued shall be based on specified cover requirements for reinforcement in 20.6.1 . For cast-in anchors that will be torqued , the minimum edge distances shall be 6d a
.
122 NORTH AMERICAN PROFIS ENGINEERING ANCHORING TO CONCRETE DESIGN GUIDE — ACI 318-14 Provisions