1. Anchor
Channel Systems
2. HAC
Portfolio
3. HAC
Applications
4. Design
Introduction
5. Base material
6. Loading
8. Reinforcing
Bar Anchorage
9. Special Anchor
Channel Design
10. Design
Software
11. Best
Practices
12. Instructions
for Use
Criteria
Symbol Units HAC-30 F
HAC-T50 F
HAC-T70 F
Units
HAC-T50
(compatible
with HBC-T)
HAC-T70
(compatible
with HBC-T)
Factor to account for the influence of channel size and anchor
diameter on concrete edge breakout strength in shear
α ch,V lb 1/2 /in 1/3
(N 1/2 /mm 1/3 ) 10.50
(7.50)
Coefficient for pryout strength
Strength reduction factor for shear, concrete failure modes
1
k cp - 2
Nominal shear steel strength for local failure of channel lips
21,550
(95.8)
ϕ - Condition A: 0.75
Condition B: 0.70
V sl,y,seis lb
(kN) 5,620
(25.0) 10,675
(47.4) 21,550
(95.8)
ϕ - V sa,y lb
(kN) 5,620
(25.0) 12,050
(53.6) 25,790
(114.7)
V sa,y,seis lb
(kN) 5,620
(25.0) 10,675
(47.4) 21,550
(95.8)
ϕ -
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.
Strength reduction factor for local failure of channel lips 1
Nominal shear steel strength of a single anchor for seismic design
Table 2.3.16.3 — S
teel strength design information for shear acting in longitudinal direction of the channel axis for
HAC-T with Hilti Serrated Channel Bolts (HBC-T) and HAC-30 with Hilti Channel Bolts (HBC-B).
*Channel bolt type
Criteria
Symbol
Strength reduction factor anchor failure 1
0.75
lb
(kN) 5,620
(25.0) 12,050
(53.6) 25,790
(114.7)
Nominal shear steel strength of connection between anchor and
channel for seismic design V sc,y,seis lb
(kN) 5,620
(25.0) 10,675
(47.4) 21,550
(95.8)
-
M16 lb
(kN) - 4,519
(20.1)
M20 lb
(kN) - 4,519
(20.1)
M12 lb
(kN) 790
(3.5) 3,395
(15.1)
2,360
(10.5) 5,240
(23.3) 9,590
(42.6)
Nominal shear steel strength of connection between anchor and
channel for seismic design V sc,x,seis lb
(kN) 2,360
(10.5) 5,240
(23.3) 9,590
(42.6)
ϕ -
V sl,x,seis
M16 lb
(kN) - 4,519
(20.1)
M20 lb
(kN) - 4,519
(20.1)
- 0.55 0.65
- 0.55 0.75
0.75
2,340
(10.4) 6,740
(30.0) 9,800
(43.6)
V sa,x,seis lb
(kN) 2,340
(10.4) 6,740
(30.0) 9,800
(43.6)
ϕ -
M12
ϕ
Strength reduction factor anchor failure 1
M20
0.75
Strength reduction factor for failure of
connection between channel lips and
channel bolts 1 (continuous inspection)
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.
M16
lb
(kN) V sa,x
Strength reduction factor for failure of
connection between channel lips and
channel bolts 1 (periodic inspection)
M12
ϕ
M16
M20
Cast-In Anchor Channel Product Guide, Edition 1 • 02/2019
105
1 The tabulated value of ϕ applies when 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.
* Note: HBC-T are only compatible with HAC-T. HBC-B are only compatible with HAC-30.
104
3,395
(15.1)
lb
(kN)
Nominal shear steel strength of a single anchor for seismic design
790
(3.5) V sc,x
Nominal shear steel strength of a single anchor
lb
(kN) Nominal shear steel strength of connection between anchor and
channel
Strength reduction factor for failure of connection between
anchor and channel 1
M12
0.75
Nominal shear steel strength of
connection between channel lips and
channel bolts for seismic design
HAC-T70 F
HAC-T50 F
HAC-30 F
(compatible (compatible (compatible
with HBC-B) with HBC-T) with HBC-T)
ϕ
V sl,x
Units
V sc,y
Nominal shear steel strength of
connection between channel lips and
channel bolts
HBC-T
HBC-B
(compatible (compatible
with HAC-30) with HBC-T)
Nominal shear steel strength of connection between anchor and
channel
Strength reduction factor for failure of connection between
anchor and channel 1
Nominal shear steel strength of a single anchor
0.75
10,675
(47.4) 5,620
(25.0) lb
(kN)
Nominal shear steel strength for local failure of the channel lips
for seismic design
V sl,y
HAC-30
(compatible
with HBC-B)
Symbol
14. Design
Example
Table 2.3.16.2 — Shear concrete strength design information for HAC-T with Hilti Serrated Channel Bolts (HBC-T) and
HAC-30 with Hilti Channel Bolts (HBC-B).
Table 2.3.161 – Shear steel strength design information for HAC-T with Hilti Serrated Channel Bolts (HBC-T) HAC-30
with Hilti Channel Bolts (HBC-B).
Criteria
13. Field Fixes
2.3.16 HAC-30 AND HAC-T STRUCTURAL STEEL PERFORMANCE —
SHEAR
7. Anchor Channel
Design Code