In Figure Q3 (a) frame ABC is being used to support a small rocket engine that is being tested, and is rigidly mounted at A. The rocket engine exerts a force P=20 kN at point C as shown. (a) Present shear and moment diagrams for frame ABC as shown in Figure Q3 (a), highlighting all key values. (b) Calculate the vertical displacement at point C on the frame. The flexural stiffness of the section used for the frame is El=4x107 Nm². Neglect axial and shear deformations. (c) Figure Q3 (b) shows the same frame and loading with the addition of a truss of length 1.0m between C and D. Calculate the load in truss CD if its stiffness is EA=4×108 N. b) a) D A A 0.5 m B 0.5 m P P 3: 0.5 т Figure Q3
In Figure Q3 (a) frame ABC is being used to support a small rocket engine that is being tested, and is rigidly mounted at A. The rocket engine exerts a force P=20 kN at point C as shown. (a) Present shear and moment diagrams for frame ABC as shown in Figure Q3 (a), highlighting all key values. (b) Calculate the vertical displacement at point C on the frame. The flexural stiffness of the section used for the frame is El=4x107 Nm². Neglect axial and shear deformations. (c) Figure Q3 (b) shows the same frame and loading with the addition of a truss of length 1.0m between C and D. Calculate the load in truss CD if its stiffness is EA=4×108 N. b) a) D A A 0.5 m B 0.5 m P P 3: 0.5 т Figure Q3
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:In Figure Q3 (a) frame ABC is being used to support a small rocket engine
that is being tested, and is rigidly mounted at A. The rocket engine exerts a
force P=20 kN at point C as shown.
(a) Present shear and moment diagrams for frame ABC as shown in
Figure Q3 (a), highlighting all key values.
(b) Calculate the vertical displacement at point C on the frame. The
flexural stiffness of the section used for the frame is El=4x107 Nm².
Neglect axial and shear deformations.
(c) Figure Q3 (b) shows the same frame and loading with the addition of a
truss of length 1.0m between C and D. Calculate the load in truss CD if
its stiffness is EA=4×108 N.
Transcribed Image Text:b)
a)
D
A
A
0.5 m
B
0.5 m
P
P
3:
0.5 т
Figure Q3
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