488_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

Problem 5.12-9
A cylindrical brick chimney of height H weighs
w 825 lb/ft of height (see figure). The inner and outer diameters are
d
1
3 ft and d
2
4 ft, respectively. The wind pressure against the
side of the chimney is p = 10 lb/ft
2
of projected area.
Determine the maximum height H if there is to be no tension in
the brickwork
482
CHAPTER 5 Stresses in Beams (Basic Topics)
Solution 5.12-9 Brick Chimney
p wind pressure
q intensity of load pd
2
d
2
outer diameter
d
1
inner diameter
W total weight of chimney wH
C
ROSS SECTION
A
p
4
( d
2