1. Anchor
Channel Systems
2. HAC
Portfolio
3. HAC
Applications
4. Design
Introduction
5. Base material
6. Loading
Table 2.3.21.1 — Tension steel strength design information for HAC-T S EDGE and HAC-T S EDGE C with Hilti Serrated
Channel Bolts (HBC-T)
N sl lb
(kN) 7,865
(35.0)
N sl,seis lb
(kN) 7,865
(35.0)
Table 2.3.22.1 — S
hear steel strength design information for HAC-T S EDGE and HAC-T S EDGE C with Hilti Serrated
Channel Bolts (HBC-T)
Criteria
*
11,240
(50.0)
N sa,seis lb
(kN) 11,240
(50.0)
ϕ - 0.75
7,865
(35.0)
Nominal tensile steel strength of connection between anchor and
channel for seismic design N sc,seis lb
(kN) 7,865
(35.0)
ϕ
Strength reduction factor for bending failure
M s,flex,seis
ϕ
ϕ - 0.75
V sa,y lb
(kN) 12,050
(53.6)
*
Nominal shear steel strength of a single anchor in direction of
the S bracket V sl,y,clip lb
(kN) 13,865
(61.7)
Nominal shear steel strength of a single anchor for seismic design
in both directions V sa,y,seis lb
(kN) 10,675
(47.4)
ϕ - 0.75
V sc,y lb
(kN) 12,050
(53.6)
Nominal shear steel strength of connection between anchor and
channel in direction of the S bracket V sl,y,clip lb
(kN) 13,865
(61.7)
Nominal shear steel strength of connection between anchor and
channel for seismic design in both directions V sc,y,seis lb
(kN) 10,675
(47.4)
ϕ - 0.75
Nominal shear steel strength of connection between anchor and
channel V sc,x lb
(kN) 5,240
(23.3)
V sc,x,seis lb
(kN) 5,240
(23.3)
ϕ - 0.75
V sa,x lb
(kN) 6,740
(30.0)
V sa,x,seis lb
(kN) 6,740
(30.0)
ϕ - 0.75
*Nominal shear steel strength of a single anchor in opposite
direction of the S bracket
Strength reduction factor anchor failure 1
*
*Nominal shear steel strength of connection between anchor
and channel in opposite direction of the S bracket
Strength reduction factor for failure of connection between
anchor and channel 1
lb-in
(N*m) 14,125
(1,596) Nominal shear steel strength of connection between anchor and
channel for seismic design
lb-in
(N*m) 11,903
(1,345) Strength reduction factor for failure of connection between
anchor and channel 1
lb-in
(N*m) 14,125
(1,596) lb-in
(N*m) 11,903
(1,345) - 0.85 HAC-50 S
h ef = 94 mm HAC-50 S
h ef = 106 mm
c ac in
(mm) TBD
(TBD) 12.52
(318)
Condition A: 0.75
Condition B: 0.70
1 T
he tabulated value of ϕ applies when both the load combinations of Section 1605.2 of the IBC, ACI 318-14 Section 5.3 or ACI 318-11 Section 9.2 are used and the requirements of ACI
318-14 17.3.3(c) or ACI 318-11 D.4.3(c), as applicable, for Condition B are met. Condition B applies where supplementary reinforcement is not provided. For installations where complying
supplementary reinforcement can be verified, the ϕ factors described in ACI 318-14 17.3.3(c) or ACI 318-11 D.4.3(c), as applicable, for Condition A are allowed.
Nominal shear steel strength of a single anchor
Nominal shear steel strength of a single anchor for seismic design
Strength reduction factor anchor failure 1
1 T
he tabulated value of ϕ applies when both the load combinations of Section 1605.2 of the IBC, ACI 318-14 Section 5.3 or ACI 318-11 Section 9.2 are used and the requirements of
ACI 318-14 17.3.3(c) or ACI 318-11 D.4.3(c), as applicable, for Condition B are met. Condition B applies where supplementary reinforcement is not provided. For installations where complying
supplementary reinforcement can be verified, the ϕ factors described in ACI 318-14 17.3.3(c) or ACI 318-11 D.4.3(c), as applicable, for Condition B are allowed.
Table 2.3.22.2 — S
hear concrete strength design information for HAC-T S EDGE and HAC-T S EDGE C with Hilti Serrated
Channel Bolts (HBC-T) when shear load acts away from the EDGE Plate.
Criteria
Coefficient for pryout strength
Strength reduction factor for shear, concrete failure modes
1
HAC-T50 S EDGE
HAC-T50 S EDGE C
α ch,V lb 1/2 /in 1/3
(N 1/2 /mm 1/3 ) 10.50
(7.50)
k cp - 2
ϕ - Condition A: N/A
Condition B: 0.70
1 T
he tabulated value of ϕ applies when both the load combinations of Section 1605.2 of the IBC, ACI 318-14 Section 5.3 or ACI 318-11 Section 9.2 are used and the requirements of ACI
318-14 17.3.3(c) or ACI 318-11 D.4.3(c), as applicable, for Condition B are met. Condition B applies where supplementary reinforcement is not provided. For installations where complying
supplementary reinforcement can be verified, the ϕ factors described in ACI 318-14 17.3.3(c) or ACI 318-11 D.4.3(c), as applicable, for Condition A are allowed.
2 T his factor will be applicable for shear acting in opposite direction edge plate (i.e away from edge plate). In case of shear acting in direction towards edge plate refer to Table 2.3.26.1 for design
information.
Cast-In Anchor Channel Product Guide, Edition 1 • 02/2019
111
110
Units
Factor to account for the influence of channel size and anchor
diameter on concrete edge breakout strength in shear
Symbol Units
-
10,675
(47.4)
0.75 Symbol
ϕ
lb
(kN)
Strength reduction factor for tension, concrete failure
modes 1
V sl,y,seis
Edge distance required to develop full concrete capacity in
absence of anchor reinforcement
Nominal shear steel strength for local failure of the channel lips
for seismic design in both directions 0
Table 2.3.21.2 — Tension concrete strength design information for HAC-T S EDGE and HAC-T S EDGE C
Criteria
17,707
(78.7)
Nominal bending strength of the anchor channel for seismic
design with HBC-C-N
lb
(kN)
Nominal bending strength of the anchor channel for seismic
design with HBC-C
M s,flex
V sl,y,clip
Nominal bending strength of the anchor channel with HBC-C-N
Nominal shear steel strength for local failure of the channel lips in
direction of the S bracket
Nominal bending strength of the anchor channel with HBC-C
10,675
(47.4)
Strength reduction factor for failure of connection between
anchor and channel 1
lb
(kN) lb
(kN) V sl,y
*Nominal shear steel strength for local failure of channel lips in
opposite direction of the S bracket
N sc HAC-T50 S EDGE
HAC-T50 S EDGE C
Strength reduction factor for local failure of channel lips 1
Strength reduction factor for anchor failure 1
Nominal tensile steel strength of connection between anchor and
channel Units N sa lb
(kN) Symbol
Nominal tensile steel strength of a single anchor for seismic
design
0.75
14. Design
Example
Nominal tensile steel strength of a single anchor
-
13. Field Fixes
2
.3.22 HAC-T S EDGE AND HAC-T S EDGE C STRUCTURAL STEEL
STEEL PERFORMANCE — SHEAR
Strength reduction factor for local failure of channel lips 1
ϕ
12. Instructions
for Use
HAC-T50 S EDGE
HAC-T50 S EDGE C
11. Best
Practices
Nominal tensile steel strength for local failure of channel lips for
seismic design
Units
10. Design
Software
Nominal tensile steel strength for local failure of channel lips
Symbol
9. Special Anchor
Channel Design
Criteria
8. Reinforcing
Bar Anchorage
2.3.21 H
AC-T S EDGE AND HAC-T S EDGE C STRUCTURAL STEEL
PERFORMANCE — TENSION
7. Anchor Channel
Design Code