Description

  • Allowable : The following criteria were taken into account in determine these values :
  • wind load : Deviation from flatness (1/200)
  • resistance (N/ m2) : Permanent deflection
  • Failure value with a safety coefficient of > 2.
Max. Windload Resistance in N/m2
Thickness (mm) Span (m) Single bay 2 supports Two bays 3 supports Several 4 supports
0.80 ________1.00 0.80 _________1.00 0.80___________1.00
Pressure 0.80 m 201 251
Negative Pressure 0.80 m 231 289
Pressure 0.90 m 179 224
Negative Pressure 0.90 m 201 258
Pressure 1.00 m 157 197 309 386 289
Negative Pressure 1.00 m 167 209 194 245 187
Pressure 1.10 m 134 167 247 309 217 360
Negative Pressure 1.10 m 138 173 160 200 157 234
Pressure 1.20 m 104 130 186 232 133 271
Negative Pressure 1.20 m 116 145 135 168 116 196
Pressure 1.30 m 86 107 124 155 122 181
Negative Pressure 1.30 m 99 124 115 144 102 145