A horizontal beam AB is supported by an inclined strut CD and carries a load P = 2700 lb at point B. The strut, which consists of two bars each having a cross-section b x 2b (see insert), is connected to the beam at C and the support D by a bolt passing through the two bars of the strut and the beam at joint C and the support at D (see insert). () Determine the reactions at supports A and D, and the force in strut CD. (g) Determine the minimum size for the width b of each bar that is needed to prevent buckling if the strut is made of aluminum having E = 10 × 10° psi and o, = 40 ksi. NOTE: The strut may buckle in-plane (in the plane of the paper) or out-of-plane (perpendicular to the plane of the paper). Use a pinned-pinned support for the former and a fixed-fixed suppport for the latter. -4 ft 4 ft OB A 3 ft Beam AB or supportD 2b 2b Bolt b. Strut at section A-A Strut CD
A horizontal beam AB is supported by an inclined strut CD and carries a load P = 2700 lb at point B. The strut, which consists of two bars each having a cross-section b x 2b (see insert), is connected to the beam at C and the support D by a bolt passing through the two bars of the strut and the beam at joint C and the support at D (see insert). () Determine the reactions at supports A and D, and the force in strut CD. (g) Determine the minimum size for the width b of each bar that is needed to prevent buckling if the strut is made of aluminum having E = 10 × 10° psi and o, = 40 ksi. NOTE: The strut may buckle in-plane (in the plane of the paper) or out-of-plane (perpendicular to the plane of the paper). Use a pinned-pinned support for the former and a fixed-fixed suppport for the latter. -4 ft 4 ft OB A 3 ft Beam AB or supportD 2b 2b Bolt b. Strut at section A-A Strut CD
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
Correct and complete solution please
![A horizontal beam AB is supported by an inclined strut CD and carries a load P = 2700 lb at point B.
The strut, which consists of two bars each having a cross-section b x 2b (see insert), is connected to
the beam at C and the support D by a bolt passing through the two bars of the strut and the beam at
joint C and the support at D (see insert).
() Determine the reactions at supports A and D, and the force in strut CD.
(g) Determine the minimum size for the width b of each bar that is needed to prevent buckling if
the strut is made of aluminum having E = 10 x 10° psi and o, = 40 ksi.
NOTE: The strut may buckle in-plane (in the plane of the paper) or out-of-plane (perpendicular
to the plane of the paper). Use a pinned-pinned support for the former and a fixed-fixed suppport
for the latter.
4 ft
-4 ft-
B
A
3 ft
P
Beam AB or support D
D
2b
2b
Bolt
Strut at section A-A
Strut CD](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7a885bcd-24bb-4221-93f9-b36a653b960d%2F52b1a3a5-d56d-4001-8857-ca2688f06671%2F4hq9ywn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A horizontal beam AB is supported by an inclined strut CD and carries a load P = 2700 lb at point B.
The strut, which consists of two bars each having a cross-section b x 2b (see insert), is connected to
the beam at C and the support D by a bolt passing through the two bars of the strut and the beam at
joint C and the support at D (see insert).
() Determine the reactions at supports A and D, and the force in strut CD.
(g) Determine the minimum size for the width b of each bar that is needed to prevent buckling if
the strut is made of aluminum having E = 10 x 10° psi and o, = 40 ksi.
NOTE: The strut may buckle in-plane (in the plane of the paper) or out-of-plane (perpendicular
to the plane of the paper). Use a pinned-pinned support for the former and a fixed-fixed suppport
for the latter.
4 ft
-4 ft-
B
A
3 ft
P
Beam AB or support D
D
2b
2b
Bolt
Strut at section A-A
Strut CD
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