wind load calculation

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Wind Loading can be calculated in accordance with ANSI/ASCE 7-88 & ANSI A58.1-82 as follows:

Design Wind Force, F = q_z * G_h * C_f * A_f , lb.

Where ,

q_z = Velocity pressure = 0.00256 k_z (I V)², lb/ft².

k_z = Velocity pressure exposure coefficient. Evaluated at height z above grade & exposure categories.

I = Importance factor. Depend on the classification of buildings and other structures for wind, snow, and earthquake loads. Categories I, II, III, and IV related to the nature of occupancy.

V = Basic wind speed, mph.

G_h = Gust response. The gust response factor is employed to account for the fluctuating nature of wind and its interaction with buildings and other structures, i.e. accounts for the additional loading effects due to wind turbulence over the fastest-mile wind speed.

C_f = Force coefficient

A_f = Area of structures or components and cladding thereof projected on plane normal to wind direction,ft²

Min. Design Wind Loading. The wind load used in design of the main wind-force resisting system for buildings and other structures shall be not less than 10 lb/ft² multiplied by the area of the building or structure projected on a vertical plane that is normal to the wind direction.

Classification of Buildings and Other Structures. Buildings and other structures shall be classified according to Table 1 for the purpose of determining wind, snow, and earthquake loads.

Note. For calculation of wind load in accordance with DIN (not dinn) code, I don't have any reference.

I was wondering if anybody would have the wind load for Egypt or Lybia. We a currently looking at sending some buildings there and I need the wind load to finish the design.

In Egypt, for wind load calculations used in design of petroleum and petrochemical equipment, I used to use a wind speed of 100 mph.

According to ANSI/ASCE 7-88 (ANSI A58.1-82), the Min. Design Wind Loading[6.4.2.1]:

The wind load used in design of the main wind-force resisting system for buildings and other structures shall be not less than 10 lb/ft² multiplied by the area of the building or structure projected on a vertical plane that is normal to the wind direction.