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

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

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter5: Beams

Section: Chapter Questions

Problem 5.11.9P

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Concept explainers

Design criteria for structural loading

The different loads such as loads due to self-weight (dead load) and external loads such as live load, wind loads, seismic load, snow load, and other loads and load combinations that influence the design of a building are called structural loading. The nature of the applied load differs from changes in the location, design, and type of materials used. The design criteria require that structures must be designed and constructed to be able to withstand all load types that are expected to act upon the structure and render its usage for the designated purpose. The structural members such as beams, slabs, columns, and foundations help the structure to withstand the applied load. There are different institutes such as ASCE and ACI that provide building design codes to assure minimum safety requirements and quality of the structures.

Question

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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