... pack a little more
in-between…
04/2014
PFEIFER
SEIL- UND HEBETECHNIK
GMBH
PFEIFER Sandwich
Anchor System
Dr.-Karl-Lenz-Strasse 66
87700 Memmingen
PHONETechnical 08331-937-345
support
Sales08331-937-290
FAX 08331-937-342
E-MAILbautechnik@pfeifer.de
INTERNETwww.pfeifer.de
Pack a little more
in-between with the
PFEIFER sandwich
anchor system…
2
The PFEIFER sandwich anchor system was developed for the connection
of the facing layer and load-bearing layer in sandwich elements. The
application advantages of this system stand out noticeably here:
Advantages for planning
• General building authority approval from the German Institute of Building Technology for cylinder and flat anchors, connector pin crosses
and connector pins
• Insulation layer thicknesses of 400 mm
S o ft w
ar
e
• Simple dimensioning with the free
PFEIFER software suite
• Simple, type-tested dimensioning tables that take
into consideration wind, temperature, creeping and
shrinkage
Advantages for precast element production
•Simple and secure installation
•Low additional effort for the professional installation of the insulating
materials
•Flat anchors can be installed directly in the joint area without cutting
the insulating boards.
•No drilling of insulating boards
•Connector pins can simply be pushed through the insulation
Advantages in precast element assembly
•Trouble-free process without formal problems, since building authority approval and type-tested dimensioning tables take into consideration all necessary stresses
•Load-bearing system with low deformations – minimal shifts between load-bearing and facing layer during transport and assembly
Advantages in purchasing
•Complete product range covers all common insulation
layer thicknesses
•High-quality, stable implementation in stainless steel
•Constant high-quality products
•Economical connector pin cross as bearing anchor solution
3
Important design/execution notes for
the manufacture of sandwich elements
!
4
Manufacturing conditions
When manufacturing sandwich element panels, the following recommendations should be observed in order to ensure
­high-quality production.
• A low water cement ratio should be maintained when manufacturing the concrete, since otherwise considerable deformation
can be expected due to shrinkage.
• Cement paste and powder contents are to be kept low. Both factors have a considerable effect on the shrinkage behaviour
of the facing and load bearing layers.
• Excessive penetration of water into the insulation layer is prevented by high-quality insulating materials with low water
absorption (for example Styrodur). Excessive absorption of water by the insulating material would negatively affect
the shrinkage behaviour.
• Two offset insulation layers in the joints prevent the excessive penetration of concrete slurry into the gaps between
the insulating boards and thus the possible creation of cold bridges.
• If only one layer of insulation is used, this should be covered with a separating foil.
• Positively manufactured panels (facing layer on top during manufacture) are more favourable with regard to the overall
­deformations. The shrinkage deformations of the facing layer and the load bearing layer act in opposite directions here.
• Excessive compaction is to be avoided.
• Contact of the vibrator with built-in components can lead to visual marks in the facing layer.
!
Storage
!
Assembly position and planning
• The elements should not be exposed to strong sunshine or wind influences in the first few days, since this considerably
increases the uneven drying of the individual layers.
• If necessary the elements should be kept moist during the first few days.
• Storage under a foil in areas protected against the sun ensures a favourable drying behaviour of the concrete.
When planning the sandwich elements, the subsequent alignment or position of the elements should always be considered,
since this has a significant influence on exposure to the sun, etc. The danger of warping and thus the formation of cracks in the
facing layer can be avoided with simple planning definitions.
• Definition of a low W/C ratio as early as the planning stage. See “Manufacturing conditions” regarding this
• Definition of suitable storage of the elements (see “Storage”).
• The length of the facing layer should be limited in principle to 6 m, since deformations in the form of warping can be expected with larger dimensions.
• A light-coloured facing layer has a beneficial effect on the temperature development during exposure to the sun.
• A stronger, more rigid formation of the load-bearing layer has a positive effect on the deformations of the facing layer.
• The facing layer must have a thickness of at least 7 cm in accordance with DIN EN 1992-1-1.
PFEIFER Cylinder Anchor
Item No. 05.380
Connection Systems
Sandwich Anchor System
PFEIFER Cylinder Anchor made of highquality, stainless steel. Used as a bearing
anchor in the PFEIFER sandwich anchor
system. Thanks to its round form it can
absorb stresses in all directions. The
PFEIFER Cylinder Anchor is normally
used in combination with flat anchors and
connector pins.
Advantage:
Thanks to its rotationally symmetrical
form, it is ideal for use if the element is
to be turned.
Material:
Stainless steel
G
K
Ref. no.Type
d
Sheet metal t
Height h
mm
thickness t
mm
mm
05.380.051.h
05.380.076.h
05.380.102.h
05.380.127.h
05.380.153.h
05.380.178.h
05.380.204.h
05.380.229.h
05.380.255.h
05.380.280.h
ZA 151-1,5-h
ZA 176-1,5-h
ZA 102-1,5-h
ZA 127-1,5-h
ZA 153-1,5-h
ZA 178-1,5-h
ZA 204-1,5-h
ZA 229-1,5-h
ZA 255-1,5-h
ZA 280-1,5-h
51
76
102
127
153
178
204
229
255
280
1,50
1,50
1,50
1,50
1,50
1,50
1,50
1,50
1,50
1,50
150
150
150
150
150
150
–
–
–
–
175
175
175
175
175
175
175
175
175
175
200
200
200
200
200
200
200
200
200
200
225
225
225
225
225
225
225
225
225
225
Weight
kg/100 mm
Height
260
260
260
260
260
260
260
260
260
260
300
300
300
300
300
300
300
300
300
300
–
–
–
340
340
340
340
340
340
340
0,11
0,18
0,22
0,28
0,33
0,41
0,46
0,51
0,57
0,65
The type designation or ref. no. must be supplemented by the selected height h!
Ordering example for 150 Cylinder Anchors ZA 51-1.5-175 with the ref. no. 05.380.051.175:
150 PFEIFER Cylinder Anchors ref. no. 05.380.051.175
5
© 2007 Copyright, PFEIFER, 87687 Memmingen / Technical modifications and errors excepted. Status 04/2014
PFEIFER Flat Anchor
Item No. 05.381
Connection Systems
Sandwich Anchor System
PFEIFER Flat Anchor made of highquality, stainless steel. Used as a
bearing anchor or retaining anchor
in the ­PFEIFER sandwich anchor
system. Thanks to its flat form it can
absorb stresses in its longitudinal
axis. Usually several PFEIFER Flat
Anchors are used as bearing anchors
in ­combination with retaining anchors
and connector pins.
Advantage:
Thanks to its flat form it is ideal for
installation in the insulation with no great
effort.
Material:
Stainless steel
Ref. no.
Type
Length l
mm
t
mm
Height h
mm
05.381.080.15.h
05.381.080.20.h
FLA 80-1,5-h
FLA 80-2,0-h
80
80
1,5
2,0
150
–
175
–
200
200
–
225
–
260
–
280
–
–
–
–
–
–
–
–
0,09
0,13
05.381.120.15.h
05.381.120.20.h
FLA 120-1,5-h
FLA 120-2,0-h
120
120
1,5
2,0
150
–
175
–
200
200
–
225
–
260
–
280
–
300
–
320
–
340
–
360
0,13
0,21
05.381.160.15.h
05.381.160.20.h
FLA 160-1,5-h
FLA 160-2,0-h
160
160
1,5
2,0
150
–
175
–
200
200
–
225
–
260
–
280
–
300
–
320
–
340
–
360
0,17
0,26
05.381.200.15.h
05.381.200.20.h
FLA 200-1,5-h
FLA 200-2,0-h
200
200
1,5
2,0
150
–
175
–
200
200
–
225
–
260
–
280
–
300
–
320
–
340
–
360
0,22
0,34
05.381.240.15.h
05.381.240.20.h
FLA 240-1,5-h
FLA 240-2,0-h
240
240
1,5
2,0
150
–
175
175
200
200
–
225
–
260
–
280
–
300
–
320
–
340
–
360
0,26
0,38
05.381.280.15.h
05.381.280.20.h
FLA 280-1,5-h
FLA 280-2,0-h
280
280
1,5
2,0
150
–
175
175
200
200
–
225
–
260
–
280
–
300
–
320
–
340
–
360
0,31
0,45
05.381.320.15.h
05.381.320.20.h
FLA 320-1,5-h
FLA 320-2,0-h
320
320
1,5
2,0
150
–
175
175
200
200
–
225
–
260
–
280
–
300
–
320
–
340
–
360
0,35
0,51
05.381.360.15.h
05.381.360.20.h
FLA 360-1,5-h
FLA 360-2,0-h
360
360
1,5
2,0
150
–
175
175
200
200
–
225
–
260
–
280
–
300
–
320
–
340
–
360
0,39
0,58
05.381.400.15.h
05.381.400.20.h
FLA 400-1,5-h
FLA 400-2,0-h
400
400
1,5
2,0
150
–
175
175
200
200
–
225
–
260
–
280
–
300
–
320
–
340
–
360
0,44
0,64
The type designation or ref. no. must be supplemented by the selected height h!
6
Ordering example for 100 flat anchors FLA 80-1,5-150 with the ref. no. 05.381.080.15.150:
100 flat anchors ref. no. 05.381.080.15.150
© 2007 Copyright, PFEIFER, 87687 Memmingen / Technical modifications and errors excepted. Status 04/2014
Weight
kg/100 mm
height
PFEIFER Anchor Pins
Item No. 05.382
Item No. 05.383
Item No. 05.384
Connection Systems
Sandwich Anchor System
PFEIFER Anchor Pins made of highquality, stainless steel are used as
shear connectors in the PFEIFER
sandwich anchor system. They are
intended for the connection of the
load bearing and facing layer and for
absorbing axial stresses in insulated
concrete sandwich panel elements.
PFEIFER Connector Pins are usually
distributed in an even pattern over the
entire area of the sandwich panel.
The VN connector pins can alternatively be used as retaining and bearing
anchors in the connector pin cross.
Advantage:
Simple installation thanks to idealised
design.
Material:
Stainless steel
Connector
pin
$QVWHFNEJHO
9HUEXQGQDGHO
Clip-on
stirrup
Clip-on pin
$QVWHFNQDGHO
Connector pin
Ref. no.
Type
b
mm
d
mm
05.382.40.h VN-4,0-h
05.382.50.h VN-5,0-h
05.382.60.h VN-6,0-h
43
45
47
4,0
5,0
6,0
Clip-on pin
Ref. no.
b
mm
d
mm
43
45
52
4,0
5,0
6,0
b
mm
d
mm
48
55
72
4,0
5,0
6,0
Type
05.383.40.h AN-4,0-h
05.383.50.h AN-5,0-h
05.383.60.h AN-6,0-h
Clip-on stirrup
Ref. no.
Type
05.384.40.h AB-4,0-h
05.384.50.h AB-5,0-h
05.384.60.h AB-6,0-h
Height h
mm
160
200
220
180
220
240
200
240
260
220
260
280
240
280
300
260
300
320
280
320
340
300
340
360
320
360
380
–
380
400
–
400
420
–
–
440
–
–
460
–
–
480
–
–
500
–
–
520
–
–
540
–
–
560
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Height h
mm
160
160
200
200
200
240
240
240
280
280
280
320
–
320
360
–
360
380
–
380
400
–
400
420
–
420
–
–
–
–
Height h
mm
160
160
200
200
200
240
240
240
280
280
280
320
–
320
360
–
360
380
–
380
400
–
400
420
–
420
–
–
–
–
The type designation or ref. no. must be supplemented by the selected height h!
7
Ordering example for 2000-off AN-4.0-220 with the ref. no. 05.383.40.220
© 2007 Copyright, PFEIFER, 87687 Memmingen / Technical modifications and errors excepted. Status 04/2014
Instructions for installation and use
System
FOR PLANNERS, FOR PRECAST COMPANIES, FOR USERS
Ansteckbügel
AB
AN Clip-on Stirrup
Zylinderanker
ZYA Cylinder ZYA
Anchor
The PFEIFER sandwich anchor system always consists of load-bearing and
retaining anchors as well as connector pins and clip-on pins or stirrups. It
is intended for the load-bearing connection of the facing and load-bearing
layers of concrete sandwich panels.
Cylinder anchor, flat anchor and connector pin cross can each act as a bearing anchor. Flat anchors or a connector pin cross are always to be provided
for as retaining anchors. Clip-on stirrups, clip-on pins or connector pins can
be used as anchor pins.
VNVerbundnadel
Connector Pin
VN
otice: no more than one cylinder anchor may be built into each
N
­element.
Flachanker
FLA
FLA Flat Anchor
VB Clip-on Pin
Anstecknadel
AN
VNK Connector PinVNK
Cross
Verbundnadelkreuz
Use
FOR PLANNERS, FOR PRECAST COMPANIES, FOR USERS
Possible load-bearing systems
Dimensioning
FOR PLANNERS, FOR PRECAST COMPANIES, FOR USERS
Definitions:
Bearing anchor
Shear connector
The bearing anchors are intended for the transmission of the dead weight
of the facing layer into the load-transmitting load bearing layer. Cylinder and
flat anchors or the connector pin cross can be used. They must always be
installed without stresses.
In order to absorb stresses that act at a right angle to the surface of the
facing layer (e.g. wind), shear connectors must be arranged in a defined
pattern. Connector pins, clip-on pins and clip-on stirrups can be used
here.
Retaining/torsion anchor
When using a cylinder anchor located at the centre of gravity as a bearing
anchor, it is necessary to arrange a torsion anchor to prevent the rotation of
the facing layer with respect to the load-bearing layer. When using two or
more bearing anchors, a retaining anchor must be installed in order to avoid
horizontal shifts. In both cases flat anchors or the connector pin cross can
be used.
88
© 2007 Copyright, PFEIFER, 87687 Memmingen / Technical modifications and errors excepted. Status 04/2014
Notice: A reinforced normal concrete of the strength class C30/37
to C50/60 according to DIN EN 206-1:2001-07 is to be used for both
the facing and load bearing layer.
Dimensioning
Nachweis:
FOR PLANNERS, FOR PRECAST COMPANIES, FOR USERS
VEd, Anchor ≤ VRd, Anchor
VEd, anchor [kN]:stress due to transversal shear force from dead weight
Facing layer per anchor
VRd, anchor [kN]:dimensioning value per anchor according
to type-approved table
otice: Both documents, approval and type-approved
N
dimensioning tables must always be taken into account in the
dimensioning.
Notice: Type-tested tables are available for the dimensioning that
enable verification taking only the dead weight of the facing layer into
consideration. Effects in accordance with “General dimensioning
information” are taken into consideration here.
otice: Tables are available for each combination of facing layer/
N
insulation thickness, building height and wind zone. These tables are
available from www.pfeifer.de or as part of the free dimensioning
software.
General dimensioning information
Wind pressure/wind suction:
SchleswigHolstein
MecklenburgVorpommern
Hamburg
Bremen
Brandenburg
Niedersachsen
Berlin
SachsenAnhalt
NordrheinWestfalen
Sachsen
Thüringen
Hessen
RheinlandPfalz
Saarland
The stress due to wind suction/pressure always acts perpendicularly to the
surface of the facing layer and thus generates tensile/compressive forces in
the anchoring elements.
Windzone 4
Prerequisite:
Windzone
3
Topographical
building location:
≤ 800 m above sea level
Height/width
≤ 3,0
Windzone
2 ratio h/d:
Windzone 1
Table 1: Velocity pressures
Wind zone
1 Inland
Inland
2 Coast and islands
in the Baltic Sea
Inland
3 Coast and islands
in the Baltic Sea
Inland
Coast of the North Sea
4 and Baltic Sea, islands
in the Baltic Sea
Islands in the North Sea
Velocity pressure qp at building height h
h ≤ 10 m 10 m < h ≤ 18 m 18 m < h ≤ 25 m
0,50 kN/m2
0,65 kN/m2
0,65 kN/m2
0,75 kN/m2
0,80 kN/m2
0,85 kN/m2
1,00 kN/m2
0,90 kN/m2
1,10 kN/m2
0,80 kN/m2
0,95 kN/m2
1,05 kN/m2
1,20 kN/m2
0,95 kN/m2
1,15 kN/m2
1,25 kN/m2
1,40 kN/m2
1,40 kN/m2
–
1,10 kN/m2
1,30 kN/m2
1,30 kN/m2
1,55 kN/m2
–
Bayern
BadenWürttemberg
Windzone 4
Windzone 3
-
Windzone
Wind
zone44
MecklenburgWindzone
Wind
zone33
Vorpommern
Windzone
Wind
zone22
Windzone
Wind
zone11
Windzone 2
gn
Temperatures:
Creep/shrinkage:
The external sides of a sandwich element are exposed to different thermal
stresses.Berlin
On the inside, constant temperatures should be set over the entire
year. These different influences can lead to the following deformations:
Influences arising from temperature and shrinkage are taken into consideration
by a corresponding temperature gradient in the facing layer. Effects arising
from wind were also assessed in the context of the type approval.
Windzone 1
Brandenburg
enburg
Notice: The velocity pressures were taken from DIN 1990/NA:
2010-12, table NA.B.3 (simplified velocity pressures for buildings
up to 25 m) and apply to heights of the building location up
to 800 m above sea level.
SachsenBerlin Anhalt a) Change of length of the facing layer due to a temperature change
b) Warping of the facing layer due to the temperature gradient within
the cross-section
Thüringen
Hence, Sachsen
a relative deformation of the facing layer and the interior load bearing
layer results, which stresses the existing anchors.
Sachsen
99
Bayern
© 2007 Copyright, PFEIFER, 87687 Memmingen / Technical modifications and errors excepted. Status 04/2014
Dimensioning
FOR PLANNERS, FOR PRECAST COMPANIES, FOR USERS
The following static models can be applied:
Without rotation of the element:
1
2
/
/
3
4
/
/
5
+
+
+
+
$
5
$
5
Determination of the stress for bearing anchors
1
VEd = L · H · V ·
2
VEd =
L · H · V · 25 kN/m3 · 1,35
2
3
VEd =
L · H · V · 25 kN/m3 · 1,35
[L · H · V · 25 kN/m3 · 1,35] · 0,1 · L
+Q ; Q=
2A
4
VEd =
L · H · V · 25 kN/m3 · 1,35
[L · H · V · 25 kN/m3 · 1,35] · 0,1 · L
+Q ; Q=
2A
25 kN/m3
Variables:
L=length of facing layer
H=height of facing layer
V=thickness of facing layer
A=distance between bearing
anchors
R=distance between torsion
anchor and edge
All dimensions in m!
· 1,35
Determination of the stress for retaining anchors/torsion anchors
0,05 · L
1
VEd, Torsion =
2
No retaining/torsion anchors required
3
VEd, Retaining = 0,1 · [L · H · V · 25 kN/m3 · 1,35]
4
VEd, Retaining = 0,1 · [L · H · V · 25 kN/m3 · 1,35]
0,45 · L – R
aution: The stresses
C
determined here via the
dead weight alone must
be compared with the typeapproved design resistance.
Comparison with the approval values leads to reduced
safety extending even to
failure of the anchor system.
· [L · H · V · 25 kN/m3 · 1,35]
With rotation of the element:
1
5
2
/
+
/
+
3
+
4
/
+
$
aution: In the case of rotation of the elements, the determination of
C
the retaining/torsion anchors can be dispensed with. Instead, the bearing anchors are arranged in both axes. Disregard can lead to damage
extending even up to failure of the anchoring system.
10
© 2007 Copyright, PFEIFER, 87687 Memmingen / Technical modifications and errors excepted. Status 04/2014
$
$
$
ƒ
/
ƒ
ƒ
otice: When dimensioning with two bearing anchors with different
N
distances to the centre of gravity, they must be taken into account
according to the ratio and the anchor stress.
Installation
ZA Cylinder Anchor
1
FOR PLANNERS, FOR PRECAST COMPANIES, FOR USERS
Reinforce the facing layer and fix the cylinder anchor to the reinforcement
2
Position the cylinder anchor on the surface reinforcement and if necessary
cut through individual bars of a mesh reinforcement. Replace individual bars
that have been cut through with additional reinforcement with the same crosssectional area.
Push anchoring reinforcements in accordance with table 2 perpendicular to
each other through the round holes in the cylinder anchor.
Rotate the cylinder anchor with the anchoring reinforcement by 45°, thus clamping the anchoring reinforcement over or under the reinforcement layer.
otice: Adhere to the embedment depth of the cylinder anchor
N
in the facing layer in accordance with table 1!
3
Concrete and compact the facing layer
4
Notice: cylinder anchors may not shift!
Install the thermal insulation
Cut the thermal insulation to size according to the anchor dimensions and
install it. The internal area of the cylinder anchor must be sealed with a suitably
shaped piece of thermal insulation.
Hollow spaces between the thermal insulation and the anchor are to be
avoided. If necessary hollow spaces must be filled with a suitable thermally
insulating foam.
Reinforce the load bearing layer
6
5
Install and position the surface reinforcement and if necessary cut through
individual bars of the mesh reinforcement.
Replace individual bars that have been cut through with additional reinforcement with the same cross-sectional area.
1
Fix the cylinder anchor to the reinforcement
Push anchoring reinforcements in accordance with table 2, at an angle of
45° to the surface reinforcement and perpendicular to each other, through the
round holes in the cylindrical anchor. Then fasten to the reinforcement of the
load bearing layer with tying wire to fix the position.
7
Concrete and compact the load bearing layer
otice: As an alternative to figures 1 to 7, you can start by manu­
N
facturing the load bearing layer and then concrete the facing layer
in the last manufacturing step. The procedure must take place
­analogously.
8
Table 1: Minimum embedment depths ev [mm] and eT [mm]
Thickness of facing layer
V [mm]
70
80
90-120
Thickness of thermal insulation layer D [mm]
30 – 90
55
60
60
100 – 200
60
65
70
11
© 2007 Copyright, PFEIFER, 87687 Memmingen / Technical modifications and errors excepted. Status 04/2014
Installation
ZA Cylinder Anchor
FOR PLANNERS, FOR PRECAST COMPANIES, FOR USERS
Table 2: Anchoring reinforcement for cylinder anchor (through round hole)
Installation method
Type
Anchoring rods
B500 A/B
51-1,5
2 x 2 Ø 6 mm, L = 500 mm
76-1,5
102-1,5
127-1,5
153-1,5
178-1,5
204-1,5
229-1,5
255-1,5
280-1,5
2 x 4 Ø 6 mm, L = 700 mm
* In case of a facing layer thickness of V = 70 mm, the additional reinforcement is to be executed in stainless
steel for reasons of corrosion protection or the concrete quality must be increased.
Table 3: Minimum reinforcement of the concrete layers
Reinforcement: Reinforcing steel bar DIN 488-B500A/B, reinforcement mesh
DIN 488-B500A/B or made of stainless steel
Facing layer
Facing or load bearing layer
V < 100 mm
V ≥ 100 mm bzw. T ≥ 100 mm
Minimum reinforcement, single-layer,
central as ≥ 1.88 cm²/m per direction
(e.g. Q188)
Minimum reinforcement, two-layer,
near to surface as ≥ 1.88 cm²/m per
direction and layer (e.g. Q188)
Table 4: required anchor height h
=$&\OLQGHU$QFKRU
)/$)ODW$QFKRU
F
V
50
60
70
200 mm
80
90
225 mm
40
175 mm
70
80
90
100
110
120
Thickness of thermal insulation layer D [mm]
30
150 mm
Thickness of facing
layer V [mm]
100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250
260 mm
340 mm
Table 5: Minimum axis and edge distances
middle diameter d
51 – 102 mm
c1.min / c2.min [mm]
300
400
s1.min / s2.min [mm]
500
600
F
F
300 mm
3RLQWRIUHVW
)L[HGSRLQW
12
12
© 2007 Copyright, PFEIFER, 87687 Memmingen / Technical modifications and errors excepted. Status 04/2014
127 – 280 mm
not available
Installation
FLA Flat Anchor
1
FOR PLANNERS, FOR PRECAST COMPANIES, FOR USERS
Reinforce the facing layer and fix the flat anchor to the reinforcement
2
Bend the outer anchoring reinforcements by 30° - 35° (table 1) and push them
through the round holes. Then position the flat anchor on the surface reinforcement and if necessary cut through individual bars of the mesh reinforcement.
Replace individual bars that have been cut through with additional reinforcement with the same cross-sectional area.
Fold the bent anchoring reinforcements by 90° onto the surface reinforcement.
Then push the straight anchoring reinforcements in accordance with table 1
through the round holes. Arrange the straight anchoring reinforcements underneath the surface reinforcement.
3
Fix the bent anchoring rods to the surface reinforcement by means of tying
wire. Adhere to the embedment depth of the flat anchor in the facing layer!
4
Concrete and compact the facing layer
otice: Flat anchors must not shift during the concreting/
N
compaction!
otice: The embedment depth of the flat anchor in the facing layer
N
must be adhered to in accordance with the valid building authority
approval.
5
Install the thermal insulation
6
Cut/slit the thermal insulation to size according to the anchor dimensions and
install it.
Avoid hollow spaces between the thermal insulation material and the anchor;
fill with suitable thermally insulating foam if necessary.
Reinforce the load bearing layer
Install and position the surface reinforcement and if necessary cut through
individual bars of the mesh reinforcement. Replace individual bars that have
been cut through with additional reinforcement with the same cross-sectional
area.
7
Fix the flat anchor to the reinforcement
8
Thread in the bent anchoring reinforcement. Push the straight anchoring reinforcement through the round holes. Fix the reinforcement to the load bearing
layer reinforcement
Concrete and compact the load bearing layer
otice: As an alternative to figures 1 to 7, you can start by
N
manufacturing the load bearing layer and then concrete the facing
layer in the last manufacturing step. The procedure must take place
analogously.
9
Embedding depth
Facing layer:
eV = 55 mm
Load bearing layer: eT ≥ 55 mm
otice: The embedment
N
depth eT depends on the
height of the flat anchor and
is determined as follows:
eT = h – D – 55 mm
13
© 2007 Copyright, PFEIFER, 87687 Memmingen / Technical modifications and errors excepted. Status 04/2014
Installation
FLA Flat Anchor
FOR PLANNERS, FOR PRECAST COMPANIES, FOR USERS
Table 1: Installation method and reinforcement
Installation method
Length L
mm
Anchoring rodsB500 A/B
80
2 x 4 Ø 6 mm where
L = 400 mm
2 x 5 Ø 6 mm where
L = 400 mm
2 x 6 Ø 6 mm where
L = 400 mm
2 x 7 Ø 6 mm where
L = 400 mm
120
160, 200
240, 280
320, 360,
400
* In case of a facing layer thickness of V = 70 mm, the additional reinforcement is to be executed in stainless
steel for reasons of corrosion protection or the concrete quality must be increased.
Table 2: Minimum reinforcement of the concrete layers
Reinforcement: Reinforcing steel bar DIN 488-B500A/B, reinforcement mesh
DIN 488-B500A/B or made of stainless steel
Facing layer
Facing or load bearing layer
V < 100 mm
V ≥ 100 mm bzw. T ≥ 100 mm
Minimum reinforcement, single-layer,
central as ≥ 1.88 cm²/m per direction
(e.g. Q188)
Minimum reinforcement, two-layer,
near to surface as ≥ 1.88 cm²/m per
direction and layer (e.g. Q188)
Table 3: required anchor height h
Thickness of facing
30
layer V [mm]
70-120
Thickness of thermal insulation layer D [mm]
40
150mm
50
60
70
175mm
80
90
200mm
100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250
225mm
260mm
280mm
300mm
320mm
340mm
360mm
Table 4: Minimum axis and edge distances
Anchor length L
80 – 400 mm
c1.min / c2.min [mm]
300
s1.min / s2.min [mm]
500
F V
V
V
V F
F
F
14
© 2007 Copyright, PFEIFER, 87687 Memmingen / Technical modifications and errors excepted. Status 04/2014
3RLQWRIUHVW
)L[HGSRLQW
”HPD[
”HPD[
otice: The maximum
N
distances to the point of
rest of movement are to be
taken from the currently
valid building authority
approval.
Installation
VNK Connector Pin Cross
1
FOR PLANNERS, FOR PRECAST COMPANIES, FOR USERS
2
Reinforce, concrete and compact the facing layer
Then install the thermal insulation.
3
4
5
6
Reinforce the load-bearing layer and install the VN Connector Pins.
Complete the installation of the connector pins at the latest 60 min after addition
of the mixing water.
The first connector pin must be inserted at an angle of 45° over a reinforcement
cross through the thermal insulation layer into the fresh concrete of the facing
layer. The crossing point of the two connector pins must lie in the centre of the
thermal insulation layer. Once the tip of the pin has reached the base of the formwork, the pin must be pulled back to the required embedment depth according to
fig. 8. Insert the second connector pin at an angle of 45° and perpendicular to the
pin inserted first over a reinforcement cross through the thermal insulation layer
into the fresh concrete of the facing layer.
Once the tip of the pin has reached the base of the formwork, the pin must be
pulled back to the required embedment depth according to fig. 8.
1
7
'
9
Load bearing
7UDJVFKLFKW
layer
8
•
PP
• P
P
•
PP
• P
P
/
91
.
Facing layer
9RUVDW]VFKLFKW
7
Compact the facing layer and then concrete and compact the load bearing
layer.
VN9HUEXQG
Connector
PinQDGHO91
otice: As an alternative to the illustrations, you can start by
N
manufacturing the load bearing layer and then concrete the facing
layer in the last manufacturing step. The procedure must take place
analogously.
15
15
© 2007 Copyright, PFEIFER, 87687 Memmingen / Technical modifications and errors excepted. Status 04/2014
Installation
VNK Connector Pin Cross
FOR PLANNERS, FOR PRECAST COMPANIES, FOR USERS
Table 1: Minimum reinforcement of the concrete layers
Reinforcement: R
einforcing steel bar DIN 488-B500A/B
Reinforcement mesh DIN 488-B500A/B
or made of stainless steel
Facing layer
Facing or load bearing layer
V < 100 mm
V ≥ 100 mm bzw. T ≥ 100 mm
Minimum reinforcement, single-layer,
central as ≥ 1.88 cm²/m per direction
(e.g. Q188)
Minimum reinforcement, two-layer,
near to surface as ≥ 1.88 cm²/m per
direction and layer (e.g. Q188)
Table 2: required connector pin height h
Thickness of facing
layer V [mm]
30
70-120
220
mm
Thickness of thermal insulation layer D [mm]
40
50
240
mm
60
70
80
260 280
mm mm
90
300
mm
100
110 120 130 140 150 160 170 180 190 200 210 220 230 240 250
320
mm
340
mm
360 380
mm mm
400
mm
420
mm
440
mm
460 480
mm mm
500
mm
520 540
mm mm
Table 3: Minimum axis and edge distances
Diameter of connector
pin cross
cll, min1) [mm]
c⊥, min2) [mm]
sll, min1) [mm]
s⊥, min1) [mm]
VNK 6
VNK 5
0,5 · hD + 200
200
hD + 400
400
2) transverse to load direction
in load direction
s1 ≥ s⊥, min
s2 ≥ max (s⊥, min ; s⊥, min)
1)
16
© 2007 Copyright, PFEIFER, 87687 Memmingen / Technical modifications and errors excepted. Status 04/2014
F
V
V
F
F
3RLQWRIUHVW
)L[HGSRLQW
”HPD[
”HPD[
F
otice: The maximum
N
distances to the point of
rest of movement are to be
taken from the currently
valid building authority
approval.
Installation
VN Connector Pin
FOR PLANNERS, FOR PRECAST COMPANIES, FOR USERS
1
2
Reinforce, concrete and compact the facing layer
Then install the thermal insulation and reinforce the load bearing layer.
3
4
Install the connector pins
Insert the connector pins through the insulation at the latest 60 min after addition
of the mixing water. Ensure here that the pin is pushed exactly above a reinforcement cross in the mesh and into the fresh concrete layer of the facing layer. The
facing layer must then be compacted again.
5
6
Load bearing layer
7UDJVFKLFKW
7
H7
Concrete and compact the load bearing layer
Caution: The required embedment depths according to fig. 6, table 2
are to be adhered to.
'
H9
9
9RUVDW]VFKLFKW
Facing layer
•PP
AN Clip-On Pin
8
7
H
EeHrU QnJt
upRp cHeKmU Xe
Z
r
%foH
rein
Fixing the clip-on pin to the facing layer reinforcement:
To do this the pin must first be inserted into the upper reinforcement layer and
then stood upright. The pin then only needs to be turned clockwise above the
lower reinforcement in order to fix it.
rei%n
XloQwW
HeUHr
rHcKeU X
mQeJ
nt
HfoZ
9
10
Alternative fixing method:
re%i uRpEpHeU
nHfZo
Hr
rHcKeU
XmQ
eJn
t
er nt
HwUH Je
XQloW HKrcU XeQm
nZfo
r%eHi
Alternatively the pin can be fixed with a pin or a nail. To do this the clip-on pin
must be guided around the upper reinforcement, stood upright and the nail/pin for
fixing inserted laterally.
17
© 2007 Copyright, PFEIFER, 87687 Memmingen / Technical modifications and errors excepted. Status 04/2014
Installation
AB Clip-on Stirrup
11
rein REuHpUH
%fHoZ
per
rcHeK
mU Xe
QnJt
FOR PLANNERS, FOR PRECAST COMPANIES, FOR USERS
12
Fixing the clip-on stirrup:
HUeHr
XlQoWw
QJent
HKcUeXm
%iHnZfor
For fixing, the clip-on stirrups are initially clamped with the open end of the pin to
the upper reinforcement of the mesh. Afterwards the stirrup is stood upright at the
reinforcement cross. By pressing together and turning anticlockwise, the stirrup
fixes itself by engaging with the lower reinforcement.
re
13
14
Insulation and load bearing layer:
After the mounting of the clip-on pin/stirrup, the facing layer is concreted and
compacted. The thermal insulation is now pressed over the pin or, if using the
stirrup, the insulation must be recessed. Afterwards the load bearing layer can be
reinforced.
15
F V
”H P
D[
Finally the load bearing layer is concreted and compacted.
F
V
Table 4: Minimum axis and edge distances
3RLQWRIUHVW
)L[HGSRLQW
VN
c1,min / c2.min [mm]
s1.min / s2.min [mm]
=$&\OLQGHU$QFKRU
ZA
Cylinder Anchor
91$1$%
VN/AN/AB
VN Connector Pin / AB Clip-on Stirrup / AN Clip-on
Table 1: Minimum reinforcement of the concrete layers
Reinforcement: R
einforcing steel bar DIN 488-B500A/B
Reinforcement mesh DIN 488-B500A/B
or made of stainless steel
Facing layer
Facing or load bearing layer
V < 100 mm
V ≥ 100 mm bzw. T ≥ 100 mm
Minimum reinforcement, single-layer,
central as ≥ 1.88 cm²/m per direction
(e.g. Q188)
Minimum reinforcement, two-layer,
near to surface as ≥ 1.88 cm²/m per
direction and layer (e.g. Q188)
Table 2: Minimum embedment depths [mm]
VN
AN
AB
ev
≥ 60
V/2 + ØAN
V/2 + ØAB
eT
≥ 60
≥ 65
≥ 60
otice: The maximum distances to the point of rest of movement are
N
to be taken from the currently valid building authority approval.
18
© 2007 Copyright, PFEIFER, 87687 Memmingen / Technical modifications and errors excepted. Status 04/2014
AN
≥ 100
≥ 200
AB
Storage
otice: Store all components of the PFEIFER sandwich anchor
N
­system dry and protected.
aution: Stainless steel anchors can be damaged by the effects of
C
acids, road salt, sea water or also storage in areas where normal steel
is processed. Anchors that are already damaged may not be used.
Ensure protected storage!
Notices
Notizen
www.pfeifer.de
© 2007 Copyright, PFEIFER, 87687 Memmingen / Technical modifications and errors excepted. Status 04/2014
19
Lifting Anchor Systems
Thread System
J&P Sales Department
Connecting and Lifting Systems
in Germany
Lifting Anchor Systems
BS Anchor System
Lifting Anchor Systems
WK Anchor System
Fixing Systems
DB Anchor 682
for Permanent Fixing
Fixing Systems
Socket Dowels
Polyamide Sockets
Connection Systems
Concrete Earthing System BEB
Reinforcement Systems
PH Reinforcement Continuity System
Cable Tension Members
Tension Rod System
Attachment Materials
(Wire Ropes, Chains, Textiles)
Lashing Systems
Grabs for Reinforcing Steel
Balancing Spreader Beams
This document is superseded when a new edition appears
at www.pfeifer.de.
O
I
T
A
C
O
U
Reinforcement Systems
VS ®-Wire Rope Loop System
O
Connection Systems
Sandwich Anchor System
Delta Anchor System
in Austria
L
Connection Systems
Stell Bearing
Staircase Bearing VarioSonic
R
Connection Systems
Column Shoe System
Wall Shoe System
N
S
Fixing Systems
HK Assembly Anchor System
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