HILTI PROFIS ENGINEERING 3.0.44
Adhesive anchor group
Example PROFIS Engineering Report for an adhesive anchor group
Group calculations are for N cbg , N ag
, V cbg
, and V cpg
4.3 Pryout Strength ( Bond Strength controls ) ACI 318-14 Eq . ( 17.5.3.1b )
V cpg
= k cp
A Na ψec1 , Na ψ ec2 , Na ψ ed , Na ψ cp , Na
N ba
A Na0 ϕV cpg
≥ V ua ACI 318-14 Table 17.3.1.1
A Na
= see ACI 318-14 , Section 17.4.5.1 , Fig . R17.4.5.1 ( b )
A Na0
= ( 2 c Na ) 2 ACI 318-14 Eq . ( 17.4.5.1c ) c Na
= 10d a т uncr
1100
ACI 318-14 Eq . ( 17.4.5.1d ) ψ ec , Na
=
1
1 + e ́N c Na
ACI 318-14 Eq . ( 17.4.5.3 ) ψ ed , Na
= 0.7 + 0.3 c a , min ≤ 1 . 0
c Na
ACI 318-14 Eq . ( 17.4.5.4b )
|
ψ cp , Na
= MAX
|
c a , min
,
|
c Na ≤ 1 . 0
|
ACI 318-14 Eq . ( 17.4.5.5b ) |
|
c ac
|
c ac
|
|
N ba
= λ a т k , c α N , seis π da h ef
ACI 318-14 Eq . ( 17.4.5.5b )
Variables k cp t k , c , uncr
[ psi ] d a [ in .] h ef
[ in .] c a , min [ in .] t k , c
[ psi ] 2 2,327 1.000 20.000 30.000 1,389
e c1 , N
[ in .] e c2 , N [ in .] c ac
[ in .] λ a α N , sei
0.000 0.000 57,969 0.450 0.970
Calculations
|
c Na
[ in .]
|
A Na
[ in . 2 ]
|
A Na0
[ in . 2 ]
|
ψ ed , Na
|
14.478 |
1,841.29 |
838.50 |
1.00 |
ψ ec1 , Na
|
ψ ec2 , Na
|
ψ cp , Na
|
N ba
[ lb ]
|
1.000 |
1.000 |
1.000 |
38,088 |
Results
V cpg
[ lb ] ϕ concrete ϕ seismic ϕ nonductile ϕV cpg
[ lb ] V ua
[ lb ] 167,279 0.700 1.00 1.000 117,095 1,000
Input data and results must be checked for conformity with the existing conditions and for plausibility ! * PROFIS Engineering ( c ) 2003-2018 Hilti AG , FL-9494 Schaan Hilti is a registered Trademark of Hilti AG , Schaan
376 NORTH AMERICAN PROFIS ENGINEERING ANCHORING TO CONCRETE DESIGN GUIDE — ACI 318-14 Provisions