shielding effect of one column on another for in plane wind
 

shielding effect of one column on another for in plane wind
there are 3 columns in a plane braced frame spaced at 6 m. in order to calculate the total wind force on frame when wind is in the plane of frame,i get the force coefficient for single column(i section) as 2 . this multiplied by depth of column(500)*height(16m)give me the total force on a single column.for total force on frame do i multiply this value by 3 or will there be some shielding effect of upstream columns on second and third columns
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lots of folks think that there is. maybe. but what if the wind shifts 5 degrees?
as/nzs1170.2 (australian/new zealand) stipulates that there is no shielding if the (
thanks apsix for giving requirements of ascode.this information was not available with my code(is)to the best of my knowledge.its because of the same reasoning as
given by dinosaur that i have never considered shielding in such cases.confirmation from both of you have definitely
given me confidence.
i don't include shielding.