ASCE 7-10 uses three different basic wind speed maps for different categories of building occupancies

ASCE 7-10 uses three different basic wind speed maps for different categories of building occupancies. ASCE 7-16 uses four basic wind speed maps for different categories of building occupancies. These maps provide basic wind speeds that are directly applicable for determining pressures for strength design. 

Consequently, the strength design wind-load factor was changed to 1.0 in this version. Simply put, ASCE 7-10 and ASCE 7-16 use three and four maps respectively based on strength design in conjunction with a wind-load factor of 1.0, while ASCE 7-05 uses a single map with an importance factor and wind-load factor of 1.6.


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