The one-story building shown below has a rigid horizontal member to which a horizontal dynamic force is applied. As part of the overall structural design, it is required to determine the natural frequency of this structure. The dimension of the concrete columns is 400 mm x 200 mm. Use modulus of elasticity Ec = 4700Fc where f'c = 21 MPa. 2. 92 kN/m и F(t) 400 mm x 200 L=4.57 m 7.62 m Determine the moment of inertia of the concrete column in mm. Express your answer in the format 5.87x10^8 mm^4.
The one-story building shown below has a rigid horizontal member to which a horizontal dynamic force is applied. As part of the overall structural design, it is required to determine the natural frequency of this structure. The dimension of the concrete columns is 400 mm x 200 mm. Use modulus of elasticity Ec = 4700Fc where f'c = 21 MPa. 2. 92 kN/m и F(t) 400 mm x 200 L=4.57 m 7.62 m Determine the moment of inertia of the concrete column in mm. Express your answer in the format 5.87x10^8 mm^4.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The one-story building shown below has a rigid horizontal member to which a horizontal dynamic force is applied. As part of the overall structural design, it is required to determine the natural frequency of this structure. The dimension of the concrete columns is 400 mm x 200 mm. Use modulus of elasticity Ec = 4700 f'c where f'c = 21 MPa. 2.92 kN/m u F(t) 400 mm x 200 L=4.57 m 7.62 m Determine the moment of inertia of the concrete column in mm. Express your answer in the format 5.87x10^8 mm^4.
Transcribed Image Text:The one-story building shown below has a rigid horizontal member to which a horizontal
dynamic force is applied. As part of the overall structural design, it is required to determine
the natural frequency of this structure. The dimension of the concrete columns is 400 mm x
200 mm. Use modulus of elasticity Ec = 4700Fc where f'c = 21 MPa.
2. 92 kN/m
и
F(t)
400 mm x 200
L=4.57 m
7.62 m
Determine the moment of inertia of the concrete column in mm. Express your answer in the
format 5.87x10^8 mm^4.
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