The pin-jointed frame in the figure below has members of cross-sectional area A=1200mm² and young modulus of elasticity of 200.5 GPa. If a vertical concentrated load of 1200KN (downward) and horizontal force of 800KN (to the right) are applied at Point D. Determine: a. The vertical displacement at D in mm. b. The horizontal displacement at D in mm. c. The stress of AD due to actual loads in kN. d. The stress of AB due to horizontal unit load. e. The stress of BD due to vertical unit load.
The pin-jointed frame in the figure below has members of cross-sectional area A=1200mm² and young modulus of elasticity of 200.5 GPa. If a vertical concentrated load of 1200KN (downward) and horizontal force of 800KN (to the right) are applied at Point D. Determine: a. The vertical displacement at D in mm. b. The horizontal displacement at D in mm. c. The stress of AD due to actual loads in kN. d. The stress of AB due to horizontal unit load. e. The stress of BD due to vertical unit load.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The pin-jointed frame in the figure below has members of
cross-sectional area A=1200mm² and young modulus of
elasticity of 200.5 GPa. If a vertical concentrated load of
1200KN (downward) and horizontal force of 800KN (to the
right) are applied at Point D. Determine:
a. The vertical displacement at D in mm.
b. The horizontal displacement at D in mm.
c. The stress of AD due to actual loads in kN.
d. The stress of AB due to horizontal unit load.
e. The stress of BD due to vertical unit load.
4m
B
3m
C
3m
F
E
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GIVEN DATA
VIEWEXPRESSION TO BE USED TO DETERMINAE DEFLECTION IN FRAMES
VIEWDETERMINATION OF MEMBER FORCES(P) DUE TOE EXTERNAL LOADS
VIEWDETERMINATION OF MEMBER FORCES(u) DUE TOE UNIT VERTICAL LOAD AT D
VIEWDETERMINATION OF MEMBER FORCES(u') DUE TOE UNIT HORIZONTAL LOAD AT D
VIEWDETERMINATION OF HORIZONTAL & VERTICAL DEFLECTION AT D
VIEW
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