High Steel Flagpole

High Steel Flagpole Wind Load Calculations

2021-02-28243

High Steel Flagpole Wind Load Calculations Flagpole Knowledge

Wind load calculations for high flagpoles are provided according to AMERICAN NATIONAL STANDARD ANSI/NAAMM FP 1001-07.

The design of safe flagpoles requires knowledge of the loads to which they will be subjected. The principal loads acting on flagpoles are the wind loads, and it is these loads which must be most carefully determined. Maximum wind speeds to which flagpoles are exposed depend on the geographical location, whether or not it is in the center of a large city, the outskirts of a small town, the seashore are ground level or on the roof of a high rise building. Wind speeds are generally higher along coastal areas than inland. They are also higher in open country than in the center of cities, and wind speed increases with height above ground.

The wind will exert a force on the pole itself as well as on the flag, and these two forces must be taken into consideration to determine the toal load. Different size flags are flown from different poles, and it is important that flagpoles be selected which are capable of supporting the largest size flag intended to be flown under the highest speed wind to which it will be subjected.

Notes

Exact flag size
Your flag size is requested before doing calculations, to calculate the flag load caused by wind and bending moment due to flag.

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