3: A steel pole is used to hold a triangular banner as shown. At its base, there are 8 bolts spaced equally around a bolt square. The corner bolts (1, 3, 8, 0) have a diameter of 25 mm each while the center bolts (2, 4, 5, 6, 7, 9) have a diameter of 10 mm each. The shear modulus of the pole is 80 GPa. If the wind pressure is W = 9.3 kPa, determine the following:

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Situation 8: A steel pole is used to hold a
triangular banner as shown. At
its base, there are 8 bolts
spaced equally around a bolt
square. The corner bolts (1, 3,
8, 0) have a diameter of 25 mm
each while the center bolts (2, 4,
5, 6, 7, 9) have a diameter of 10
mm each. The shear modulus of
the pole is 80 GPa. If the wind
pressure is W = 9.3 kPa,
determine the following:
100 mm
100 mm
100 mm
POLE
HERE
190 mm
SIDE
VIEW
W
A. Maximum torsional shearing stress of the pole (MPa)
B. Maximum stress developed in the rivets (MPa)
3.5 m
1.2 m
FRONT
VIEW
60 mm diameter
Transcribed Image Text:Situation 8: A steel pole is used to hold a triangular banner as shown. At its base, there are 8 bolts spaced equally around a bolt square. The corner bolts (1, 3, 8, 0) have a diameter of 25 mm each while the center bolts (2, 4, 5, 6, 7, 9) have a diameter of 10 mm each. The shear modulus of the pole is 80 GPa. If the wind pressure is W = 9.3 kPa, determine the following: 100 mm 100 mm 100 mm POLE HERE 190 mm SIDE VIEW W A. Maximum torsional shearing stress of the pole (MPa) B. Maximum stress developed in the rivets (MPa) 3.5 m 1.2 m FRONT VIEW 60 mm diameter
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