A7 Horizontal bracing
Transfer of horizontal loads from a casting segment
Example 1
Open building edge on one side
Bracing in one building direction. (Fig. A7.05)
Values: see Table A14.01.
Requirements
– Load Case Combination LFK 1:
Concreting
– Load Case Combination LFK 2: Storm
– Slab thickness d = 25 cm
– Panel span = 1.50 m
– 1 edge area
– 9 inner bays
Number of chains
– The load case combination which re-
sults in the biggest value is decisive.
– Permissible horizontal component of
the tension load on the anchor chain
= 3 kN x cos 60° = 1.5 kN. (Fig. A7.04)
1.50 kN
Fig. A7.04
Fig. A7.06
Horizontal Load
Load
c = 1.50 m
Slab
according
thickness
to DIN
from
EN 12812
stopend
[cm]
[kN/m²]
formwork
pressure
25
7.83
1.430
Excerpt from Table A14.01
40
Calculation
Load Compilation LFK 1 Concreting
1 x H
edge area
load
2.447 kN
Load Compilation LFK 2 Storm
1 x H
edge area
load
1.291 kN
Number of chains
∑H = 1.588 kN < 7.307 kN
LFK 1 Concreting is decisive
n
= ∑H / perm. tension force of chain
chain
= 7.31 kN : 1.5 kN = 4.87 chains = 5 chains
2.447
0.54
Chain 1
Fig. A7.05
2.447 kN
0.54 kN
[kN]
Load Case Combination LFK 1: Concreting*
edge area
Horizontal Load
c = 0.75 m
inner bay
from
Panel span
Panel span
stopend
formwork
c = 1.50 m
c = 0.75 m
pressure
0.715
0.540
0.270
+ 9 x H
inner bay
load
+ (9 x 0.54 kN)
+ 9 x H
inner bay
load
+ (9 x 0.033 kN)
0.54
0.54
0.54
Chain 2
Chain 3
0.54 kN
[kN] Horizontal Load
[kN] Horizontal Load
edge area
Panel span
Panel span
Panel span
c = 1.50 m
c = 0.75 m
c = 1.50 m
2.447
1.224
Instructions for Assembly and Use – Standard Configuration
= ∑H
= 7.307 kN
= ∑H
= 1.588 kN
0.54
0.54
0.54
0.54
Chain 4
Chain 5
0.54 kN
Load Case Combination LFK 2: Storm**
[kN] Horizontal Load
inner bay
Panel span
Panel span
c = 0.75 m
c = 1.50 m
0.033
0.016
1.291
SKYDECK Panel Slab Formwork
0.54 kN
[kN]
edge area
Panel span
c = 0.75 m
0.645
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