ISOPRO® Type IPT - Spanelas

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ISOPRO ® Type IP & IPT
Deflection and camber
Freely cantilevered slabs made from
concrete experience a sinking of the
edge when they are stripped. This displacement
is a combination of a deformation
of the balcony insulation
element used and a bending of the
slab itself.
Cambering the balcony slab
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These two deformations are superimposed
and offset by cambering the
formwork.
From the calculation shown below the
required formwork camber on the
cantilever arm end is derived resulting
from the ISOPRO ® elements at
100% loading.
Element heigh h [mm] IP 10
Concrete covering c v
30 35 40 45 50
IP 20
IP 25
IP 30
IP 40
IP 50
To obtain the total camber, the slab
deformation according to DIN 1045-
1 is added. For the total camber to be
specified by the structural designer in
the construction drawings the direction
of the scheduled water run-off
must be considered when making the
camber.
IPT 55
IPT 60
IPT 70
IPT 80
IPT 100
160 0.51 0.59 0.92 1.06
160 0.48 0.56 0.87 1.00
160 170 0.45 0.53 0.82 0.94
160 170 0.43 0.50 0.77 0.89
160 170 180 0.41 0.47 0.73 0.84
170 180 0.39 0.45 0.70 0.80
170 180 190 0.37 0.43 0.67 0.79
180 190 0.35 0.41 0.64 0.73
180 190 200 0.34 0.39 0.61 0.69
190 200 0.33 0.38 0.59 0.67
190 200 210 0.31 0.36 0.56 0.64
200 210 0.30 0.35 0.54 0.62
200 210 220 0.29 0.34 0.52 0.59
210 220 0.28 0.33 0.50 0.57
210 220 230 0.27 0.31 0.49 0.55
220 230 0.26 0.30 0.47 0.53
220 230 240 0.26 0.29 0.46 0.52
230 240 0.25 0.29 0.44 0.50
230 240 250 0.24 0.28 0.43 0.49
240 250 0.23 0.27 0.42 0.47
240 250 0.23 0.26 0.40 0.46
250 0.22 0.25 0.39 0.45
250 0.21 0.25 0.38 0.43