m along the y-axis. The unbraced length with respect to the x-axis is 10 m. With respect to the y-axis, the column is braced at midheight so that the unbraced length is 5 m. Assume pinned-ends for both axes. Sidesway is prevented. Yield Strength: Fy = 248 MPa Modulus of Elasticity: E = 200

m along the y-axis. The unbraced length with respect to the x-axis is 10 m. With respect to the y-axis, the column is braced at midheight so that the unbraced length is 5 m. Assume pinned-ends for both axes. Sidesway is prevented. Yield Strength: Fy = 248 MPa Modulus of Elasticity: E = 200

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

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter10: Plate Girders

Section: Chapter Questions

Problem 10.7.2P

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Concept explainers

Types and properties of steel

Steel is an alloy of iron. It is formed by heating iron and combining carbon (0.1-1.7%) with it and minor amounts of other elements such sulfur, chromium, manganese, nickel, etc. Thousands of steel grades have been published, registered, or regulated around the world, each with its chemical composition, and special numbering systems have been devised in various countries to classify the vast number of alloys.

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 10 m. With respect to the y-axis, the column is braced at midheight so that the unbraced length is 5 m. Assume pinned-ends for both axes. Sidesway is prevented.

Yield Strength: Fy = 248 MPa Modulus of Elasticity: E = 200 GPa

a.) Compute the effective slenderness ratio with respect to the x-axis.

b.) Compute the effective slenderness ratio with respect to the y-axis.

c.)Compute the axial load capacity (kN) of the built-up column.

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A column is 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 10 m. With respect to the y-axis, the column is braced at midheight so that the unbraced length is 5.m. Assume pinned-ends for both axes. Sidesway is prevented. Yield Strength: Fy-248 MPa Modalus of Elasticity: E-200 GPa CIVIL ENGINEERING- STEEL DESIGN a) Compute the effective slenderness ratio with respect to the x-axis. b) Compute the effective slenderness ratio with respect to the y-axis. c) Compute the axial load capacity (kN) of the built-up column.
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