2. Wind effects

Figure 1 - Effects of snow. Zoning definition for France

Figure 2 - Roof edges (altitude below 500 m)

Figure 3 - Roof edges (altitude over 500 m)

Figure 4 - Multiple stepped roofs (sheds)

Figure 5 - Local jumps and obstacles

Figure 6 - Symmetrical multi-slope roof gutters

Figure 7 - Multi-roof gutters with asymmetrical slopes

Figure 8 - Multi-level roofs

Figure 9 - Metropolitan France: wind zone map

Figure 10 - Definition of H for sloping terrain

Figure 11 - Mask effects

Figure 12 - Reduction coefficient ...

Figure 13 - Response coefficient

Figure 14 - Pulsation coefficient

Figure 16 - Flat sides. Coefficient ce for ...

Figure 17 - Flat sides. Coefficient ce for ...

Figure 18 - Flat slopes. Coefficients ce for ...

Figure 19 - Vaulted roofs. Coefficient ce for ...

Figure 20 - Local actions

Figure 21 - Construction with open wall. Internal pressure coefficient ci for γ0 &#61; 1 (example)

Figure 22 - Construction with two opposite open walls. Internal pressure coefficient ci for γ0 &#61; 1 (example)

Figure 23 - Skylight and shed open on one side only

Figure 24 - Driving force. Calculation surface

Figure 25 - Single block with multiple roofs. Overall actions

Figure 26 - Buildings set back from the ground

Figure 27 - Prismatic constructions with quadragonal ground base λa ...

Figure 28 - Prismatic constructions with regular or circular polygonal base. Coefficients γ0 and γh

Figure 29 - Insulated solid panels. Drag coefficient ct

Figure 30 - Insulated single-slope roof

Figure 31 - Insulated single-slope roofs. Coefficients c and γ

Figure 32 - Isolated roofs with two symmetrical arches similar to flat gables

Figure 33 - Symmetrical gable roofs. Coefficients c and γ