Calculate the wind velocity pressure (q) on the following windward wall only (no sides or leeward) and show the wind profile at the indicated heights. Also calculate forces in kip on the 1st floor diaphragm, and roof diaphragm. There are 2 shear walls at ends, and the system has a uniform stiffness. Building is a clinic (hospital category) 25'x50'. Use the wall section with the levels for your profile calculations. Wind blows on the short direction (25').I = 1.15 wind speed = 100 mph exposure category: B Initial Pressure qs =q0-15 =psf 14.26q 15-20 psf 15.51q 20-25 =psf 16.51q 25-30........ psf 17.51Diaphragm LoadsLoad w in plf on the roof diaphragmpsfLoad w in plf on the 2nd floor diaphragm W2nd flHint: Wroof = pressure in psf (from previous) x tributary height (parapet + 1/2 the height bet 2nd floor and roof).W2nd fl = same concept of tributary height above and below the slabTotal force (in kips) on the windward wallForce on roofForce on 2nd floor=........ kips********kipsWroof=........ plfTotal force on diaphragms = ........ kipsplf RoofFloor 230425-20FOR15-Parapet 2¹BUILDING SECTION.Section50'Plan View10'15'25'

Answered: Calculate the wind velocity pressure…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Calculate the wind velocity pressure (q) on the following windward wall only (no sides or leeward) and show the wind profile at the indicated heights. Also calculate forces in kip on the 1st floor diaphragm, and roof diaphragm. There are 2 shear walls at ends, and the system has a uniform stiffness. Building is a clinic (hospital category) 25'x50'. Use the wall section with the levels for your profile calculations. Wind blows on the short direction (25').

I = 1.15 wind speed = 100 mph exposure category: B

Initial Pressure qs =
q0-15 =
psf 14.26
q 15-20 psf 15.51
q 20-25 =
psf 16.51
q 25-30........ psf 17.51
Diaphragm Loads
Load w in plf on the roof diaphragm
psf
Load w in plf on the 2nd floor diaphragm W2nd fl
Hint: Wroof = pressure in psf (from previous) x tributary height (parapet + 1/2 the height bet 2nd floor and roof).
W2nd fl = same concept of tributary height above and below the slab
Total force (in kips) on the windward wall
Force on roof
Force on 2nd floor
=........ kips
********
kips
Wroof=........ plf
Total force on diaphragms = ........ kips
plf

Roof
Floor 2
304
25-
20
FOR
15-
Parapet 2¹
BUILDING SECTION.
Section
50'
Plan View
10'
15'
25'

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