A column us built-up from 4-300 mm x 16 mm plates, welded to form a box section having a width of 300 mm along the x-axis and a depth of 332 mm along the y-axis. The unbraced length with respect to the x-axis is 9 m. With respect to the y-axis, the column is braced at third points so that the unbraced length is 3 m. Assume pinned-ends for both axes. Sidesway is prevented. Yield Strength: Fy = 248 MPa Modulus of Elasticity: E = 200 GPa Problem 1 d. 70.62 Compute the effective slenderness ratio with respect to the x-axis. a. 126.17 b. 138.56 c. 94.16 Compute the effective slenderness ratio with respect to the y-axis. a. 34.0 b. 102.0 Problem 2 c. 25.5 d. 94.16 Problem 3 Compute the axial load capacity (kN) of the built-up column. a. 2409 b. 2165 c. 3965 d. 1813

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Chapter5: Beams
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A column us built-up from 4-300 mm x 16 mm plates, welded to form a box section having a width of 300 mm along the
x-axis and a depth of 332 mm along the y-axis. The unbraced length with respect to the x-axis is 9 m. With respect to the
y-axis, the column is braced at third points so that the unbraced length is 3 m. Assume pinned-ends for both axes.
Sidesway is prevented.
Yield Strength: Fy = 248 MPa
Modulus of Elasticity: E = 200 GPa
Problem 1
b. 138.56
d. 70.62
Compute the effective slenderness ratio with respect to the x-axis.
a. 126.17
c. 94.16
Compute the effective slenderness ratio with respect to the y-axis.
b. 102.0
Problem 2
a. 34.0
c. 25.5
d. 94.16
Problem 3
Compute the axial load capacity (kN) of the built-up column.
a. 2409
b. 2165
c. 3965
d. 1813
Transcribed Image Text:A column us built-up from 4-300 mm x 16 mm plates, welded to form a box section having a width of 300 mm along the x-axis and a depth of 332 mm along the y-axis. The unbraced length with respect to the x-axis is 9 m. With respect to the y-axis, the column is braced at third points so that the unbraced length is 3 m. Assume pinned-ends for both axes. Sidesway is prevented. Yield Strength: Fy = 248 MPa Modulus of Elasticity: E = 200 GPa Problem 1 b. 138.56 d. 70.62 Compute the effective slenderness ratio with respect to the x-axis. a. 126.17 c. 94.16 Compute the effective slenderness ratio with respect to the y-axis. b. 102.0 Problem 2 a. 34.0 c. 25.5 d. 94.16 Problem 3 Compute the axial load capacity (kN) of the built-up column. a. 2409 b. 2165 c. 3965 d. 1813
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