How to Determine Wind Coefficients for a Building's Sides?

1 reply · 1K views · last reply
minoroctave
Messages
32
Reaction score
0

Homework Statement


I am trying to understand how to obtain the required wind coefficients of 0.60, -0.30 and -0.60 for the problem, by using the given figure

Homework Equations

The Attempt at a Solution


for the windward side, does it correspond to theta = 0 since the question says "normal wind"? is the leeward size at theta = 90? What does "sides" refer to?
 
Attachments
  • Line graph of average wall pressure coefficient Cp against wind angle theta from 20 to 160 degrees for tall building ratios L/W = 1/4, 1, and 4, with small inset diagram of building plan showing L, W and wind direction.
    IMG_20151107_075336380.jpg
    33.1 KB · Views: 483
  • Printed textbook page titled SOLUTION computing wind pressure differences: windward Cp = 0.60 giving 0.066 in. wg, leeward Cp = -0.30 giving -0.033 in. wg, sides Cp = -0.60 giving -0.066 in. wg.
    IMG_20151107_075354110.jpg
    30.5 KB · Views: 466
minoroctave said:

Homework Statement


I am trying to understand how to obtain the required wind coefficients of 0.60, -0.30 and -0.60 for the problem, by using the given figure

Homework Equations

The Attempt at a Solution


for the windward side, does it correspond to theta = 0 since the question says "normal wind"? is the leeward size at theta = 90? What does "sides" refer to?

A building typically has four 'sides' or 'faces'.

The 'windward' side is the face or side of the building which is struck directly by the wind. The 'leeward' side is the face or side which is directly opposite of the 'windward' side.
The other two faces, which are more or less parallel to the direction of the wind, are the plain old 'sides'.