KS1000 SF Secret Fix

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Unfactored Load / Span table (Use calculated design windload values unfactored)

Single Span Condition

Panel
Thickness
mm		 Load
Type		 Uniformly distributed loads kN/m² Span L in metres
1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0
40 Downwards
Suction		 3.25
3.80		 2.28
3.20		 1.80
2.82		 1.31
2.21		 1.04
1.86		      
50 Downwards
Suction		 3.85
4.49		 2.77
3.85		 2.22
3.34		 1.67
2.78		 1.35
2.36		 1.03
1.94		 0.84
1.68		  
60 Downwards
Suction		 4.41
5.15		 3.25
4.48		 2.64
3.87		 2.03
3.25		 1.67
2.77		 1.30
2.28		 1.07
1.99		 0.84
1.70
70 Downwards
Suction		 4.92
5.81		 3.68
5.11		 3.02
L4.40		 2.35
3.68		 1.95
3.14		 1.54
2.59		 1.28
2.26		 1.01
1.93
80 Downwards
Suction		 5.42
6.44		 4.12
5.72		 3.40
4.92		 2.68
4.12		 2.24
3.51		 1.80
2.90		 1.51
2.53		 1.22
2.16
100 Downwards
Suction		 6.32
7.60		 4.90
6.85		 4.10
5.94		 3.30
5.03		 2.80
4.29		 2.29
3.55		 1.95
3.10		 1.61
2.65
120

Downwards
Suction

 7.05
8.71		 5.74
7.73		 4.74
6.76		 3.96
6.01		 3.34
5.02		 2.83
4.25		 2.40
3.65		 2.05
3.17

Unfactored Load / Span table (Use calculated design windload values unfactored)

Double Span Condition

Panel
Thickness
mm		 Load
Type		 Uniformly distributed loads kN/m² Span L in metres
1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0
40 Downwards
Suction		 2.96
3.11		 2.33
2.50		 1.99
2.18		 1.65
1.85		 1.44
1.66		 1.23
1.46		 1.10
1.33		 0.96
1.19
50 Downwards
Suction		 3.16
3.34		 2.50
2.70		 2.15
2.36		 1.79
2.01		 1.57
1.80		 1.35
1.59		 1.20
1.46		 1.05
1.32
60 Downwards
Suction		 3.34
3.54		 2.66
2.88		 2.29
2.52		 1.91
2.16		 1.68
1.94		 1.45
1.72		 1.30
1.57		 1.14
1.42
70 Downwards
Suction		 3.49
3.74		 2.79
3.06		 2.40
2.69		 2.01
2.31		 1.77
2.08		 1.53
1.85		 1.36
1.70		 1.20
1.54
80 Downwards
Suction		 3.65
3.92		 2.92
3.22		 2.52
2.83		 2.12
2.44		 1.87
2.20		 1.61
1.96		 1.44
1.80		 1.27
1.64
100 Downwards
Suction		 3.92
4.23		 3.16
3.50		 2.73
3.09		 2.30
2.68		 2.03
2.42		 1.76
2.16		 1.58
1.99		 1.39
1.81
120 Downwards
Suction		 4.35
4.69		 3.64
4.00		 3.09
3.47		 2.67
3.06		 2.33
2.74		 2.05
2.47		 1.82
2.25		 1.63
2.07

Notes:

  1. Values have been calculated using the limit state method described in the “European Recommendations for the Design of Sandwich Panels” (ECCS document No.115 2001), taking imposed loads, temperature and creep into account.
  2. For each value individual and combined load cases with appropriate load factors and temperatures have been considered. 
  3. The table is for medium and light coloured panels.
  4. The following deflection limits have been used:
    Pressure Loading L/200
    Suction Loading L/150
  5. For intermediate values linear interpolation may be used.
  6. The actual wind suction load resisted by the panel is dependant on the number of fasteners used and the material of the rail. The fastener calculation should be carried out in accordance with the appropriate standard For further advise please contact Kingspan envirocare Technical Services.
  7. The allowable steelwork tolerance between bearing planes of adjacent sheeting rails is +/- 5mm.

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