Steel Buildings in Europe

Title APPENDIX B. Worked Example: Wind action on a single-storey building 5 of 11 3 - 50 h = 8 m 3,2 m - 0,3 + 0,7 - 1,2 12,8 m D A B E - 0,8 16 m C - 0,5 Wind Figure B.3 c pe,10 for zones A, B, C, D and E with wind on long side 3.1.2. Roofs 1. Wind on gable Ridges are parallel to the wind direction:  = 90° Pitch angle:  = 14° h = 8 m b = 32 m (crosswind dimension) EN 1991-1-4 § 7.2.5(1) Figure 7.8 The reference height is: z e = h = 8 m 2 h = 16 m EN 1991-1-4 § 7.2.7(3) e = 16 m ( b or 2 h , whichever is smaller) e /4 = 4 m e /10 = 1,6 m e /2 = 8 m EN 1991-1-4 § 7.2.5(1) Figure 7.8 Figure B.4 defines the external pressure coefficients c pe,10 on roofs for zones F, G, H and I with a wind on gable. EN 1991-1-4 § 7.2.2(2) Table 7b