The strut AB made from two bars (thickness of each bar = 0.50 in) is connected to a rectangular beam CD (b=0.80 in x h = 7.5 in) at joint B. The beam carries a concentrated load of 2750 lb at the end joint D. (a) determine the minimum diameter of the bolt at B if the shearing stress in the bolt is not to exceed 14000 psi. (b) determine the minimum diameter of the bolt at B if the allowable bearing stress in the bar plate is 20000 psi. Detail of joint B 0.80 in 3 ft 5 ft. + B 6 ft D 2750 lb 3.75 in 3.75 in Beam CD (b × h) Bolt (dmin) -0.50 in
The strut AB made from two bars (thickness of each bar = 0.50 in) is connected to a rectangular beam CD (b=0.80 in x h = 7.5 in) at joint B. The beam carries a concentrated load of 2750 lb at the end joint D. (a) determine the minimum diameter of the bolt at B if the shearing stress in the bolt is not to exceed 14000 psi. (b) determine the minimum diameter of the bolt at B if the allowable bearing stress in the bar plate is 20000 psi. Detail of joint B 0.80 in 3 ft 5 ft. + B 6 ft D 2750 lb 3.75 in 3.75 in Beam CD (b × h) Bolt (dmin) -0.50 in
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![The strut AB made from two bars (thickness of each bar = 0.50 in) is connected to a rectangular
beam CD (b=0.80 in x h = 7.5 in) at joint B. The beam carries a concentrated load of 2750 lb at the end joint D.
(a) determine the minimum diameter of the bolt at B if the shearing stress in the bolt is not to exceed 14000 psi.
(b) determine the minimum diameter of the bolt at B if the allowable bearing stress in the bar plate is 20000 psi.
Detail of joint B
0.80 in
3 ft
A
5 ft-
B
6 ft
D
2750 lb
3.75 in
3.75 in
Strut AB
Beam CD (b × h)
Bolt (dmin)
-0.50 in](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffd93a391-45e5-43c3-915e-55650aa0787a%2F0105a5dc-5894-4e71-90a3-64628de92155%2Ft3yuv5_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The strut AB made from two bars (thickness of each bar = 0.50 in) is connected to a rectangular
beam CD (b=0.80 in x h = 7.5 in) at joint B. The beam carries a concentrated load of 2750 lb at the end joint D.
(a) determine the minimum diameter of the bolt at B if the shearing stress in the bolt is not to exceed 14000 psi.
(b) determine the minimum diameter of the bolt at B if the allowable bearing stress in the bar plate is 20000 psi.
Detail of joint B
0.80 in
3 ft
A
5 ft-
B
6 ft
D
2750 lb
3.75 in
3.75 in
Strut AB
Beam CD (b × h)
Bolt (dmin)
-0.50 in
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