Wind loads are based on the design wind speed which is based on the geographic location of the building height of the roof exposure category roof type enclosure classification and risk category.
Wind roof designer.
And with the latest version of asce 7 minimum design loads for buildings and other structures asce 7 it has become that much more challenging for roof system designers and roofing contractors.
Roof design wind pressures are determined using the wind speeds at the mean roof height of the building i e average of the eave and ridge heights.
The height of the roof and exposure and risk categories are factors that are used to convert design wind speed to an uplift pressure.
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Wind design of roof systems is one of the more complicated things that an architect deals with during the design of a building.
When building a structure it is important to calculate wind load to ensure that the structure can withstand high winds especially if the building is located in an area known for inclement weather.
1 3 5 design pressure coefficients for roof zones.
The calculation of wind loads on a roof is an essential part of the design process.
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The designer must ensure that the installed roof system is able to resist the wind load induced by a building s geometry and location and that the correct calculation procedures are followed.
For buildings with low slope roofs less than 2 12 slope the wind speed at eave height is used.