HAC_Technical-Guide
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Cast-In Anchor Channel Product Guide, Edition 1 • 02/2019
1. Anchor
Channel Systems
2. HAC
Portfolio
3. HAC
Applications
4. Design
Introduction
5. Base material 6. Loading
7. Anchor Channel
Design Code
8. Reinforcing
Bar Anchorage
9. Special Anchor
Channel Design
10. Design
Software
11. Best
Practices
12. Instructions
for Use
13. Field Fixes
14. Design
Example
9.1 Overview of Hilti Anchor Channel Systems Design
9.2 HAC and HAC-T Design 9.3 HAC CRFoS U Design 9.4 & 9.5 Post Tensioned Slabs 9.6 HAC EDGE Design
REBAR FAILURE MODES
Steel Failure Modes Concrete Failure Modes
Rebar connection Rebar in tension Anchor reinf. steel EDGE
Rebar pull-out
SLS Concrete
edge
Anchor reinf.
anchorage
N/A N/A
No
(The rebar
welding is
specified such as
to have an higher
strength than the
rebar itself )
Hilti Method
(Rebar pull-
out and Rebar
connection are
performed in the
same way as for
the FoS products.)
Not permitted
Hilti Method
based on ACI
Remark in Profis Not permitted
LONGITUDINAL SHEAR
Steel Failure Modes Concrete Failure Modes
Channel bolt: Channel Lip Connection Anchor Concrete Breakout Concrete Pryout
ESR-3520
Sec. 4.1.3.3.2,
4.1.3.4.2
ESR-3520
Sec. 4.1.3.3.2,
4.1.3.4.2
ESR-3520
Sec. 4.1.3.3.2,
4.1.3.4.2
ESR-3520
Sec. 4.1.3.3.2,
4.1.3.4.2
ESR-3520
Sec. 4.1.3.4.3
ESR-3520
Sec. 4.1.3.4.4
Anchor reinf. steel
Anchor reinf.
anchorage
Not permitted Not permitted
HAC-(T) EDGE, HAC-(T) S EDGE, HAC-(T) C EDGE and HAC-(T) EDGE Lite
TENSION
Steel Failure Modes Concrete Failure Modes
Channel bolt :
фN
ss
Channel lip :
фN
sl
Bending of
channel :
фM
s,flex
Connection :
фN
sc
Anchor:
фN
sa
Concrete breakout :
фN
cb
Pullout :
фN
pn
Side-face
blow-out:
фN
sb
ESR-3520
Sec. 4.1.3.2.2
ESR-3520
Sec. 4.1.3.2.2
ESR-3520
Sec. 4.1.3.2.2
ESR-3520
Sec. 4.1.3.2.2
ESR-3520
Sec. 4.1.3.2.2
ESR-3520*
Sec. 4.1.3.2.3
ESR-3520
Sec. 4.1.3.2.4
ESR-3520
Sec. 4.1.3.2.5
Anchor reinf. steel
Anchor reinf.
anchorage
ESR-3520
sec 4.1.3.2.3
ESR-3520
sec 4.1.3.2.3
* No splitting possible in combination with the steel plate, concrete always cracked
Channel lip: ΦN
sl
ΦN
sl
> N
b
ua
The capacity of channel lip is in
accordance to ESR-3520 Sec.
4.1.3.2.2. Please refer to table 2.3.17
and 2.3.5 of chapter 02.
Channel lip: ΦN
sl
Connection Anchor and Channel :
ΦN
sc
ΦN
sc
> N
aua
The capacity of connection is in
accordance to ESR-3520 Sec.
4.1.3.2.2. Please refer to table 2.3.17
and 2.3.5 of chapter 02.
Anchor and channel
connection: ΦN
sc
Anchor : ΦN
sa
ΦN
sa
> N
aua
The capacity of anchor is in
accordance to ESR-3520 Sec.
4.1.3.2.2. Please refer to table 2.3.17
and 2.3.5 of chapter 02.
Anchor: ΦN
sa
Bending strength of channel :
ΦM
s,flex
ΦM
s,flex
≥ M
u, flex
The capacity of anchor is in
accordance to ESR-3520 Sec.
4.1.3.2.2. Please refer to table 2.3.17
and 2.3.5 of chapter 02.
Bending : ΦM
s,flex
Concrete breakout : ΦN
cb
ΦN
cb
> N
aua
The concrete breakout capacity of
anchor channel is in accordance
to ESR-3520 Sec. 4.1.3.2.3. Please
refer to table 2.2.7.1, 2.2.7.2, 2.2.7.3,
2.2.16.1, 2.2.16.2 and 2.2.16.3 of
chapter 02 for parameters and
section 7.3.2 of anchor channel
theory chapter 07 for analysis.
Ψ
cp,N
= 1.0 if the EDGE (C) steel plate
is activated.
Ψ
c,N
= 1.0 always if the EDGE (C) steel
plate is activated: with the EDGE
(C) front plate concrete is always
considered as cracked.
Concrete breakout: ΦN
cb