A built-up section was made using PL414x12mm thk plates as shown in the figure below. It is pinned atboth ends with additional support against weak axis at middle point. Assume A50 steel.PL414x12DOSectionW16x67Lx-axisa) Calculate moment of inertia at both axes in mm*.b) Determine the design compressive strength in kN if L-3m.c) Find the design compressive strength in kN if L=18m.Elevationy-axis

Given data: Plate dimension: 414x12 mm Section properties: W16x67 AI=127.10 mm2Ixx=39708.478…

A built-up section was made using PL414x12mm thk plates as shown in the figure below. It is pinned at both ends with additional support against weak axis at middle point. Assume A50 steel. PL414x12 08 Section W16x67 L x-axis Elevation www ANANAN y-axis

A built-up section was made using PL414x12mm thk plates as shown in the figure below. It is pinned at both ends with additional support against weak axis at middle point. Assume A50 steel. PL414x12 08 Section W16x67 L x-axis Elevation www ANANAN y-axis

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

6th Edition

ISBN:9781337094740

Author:Segui, William T.

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Chapter4: Compression Members

Section: Chapter Questions

Problem 4.7.3P

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Question

A built-up section was made using PL414x12mm thk plates as shown in the figure below. It is pinned at
both ends with additional support against weak axis at middle point. Assume A50 steel.
PL414x12
DO
Section
W16x67
L
x-axis
a) Calculate moment of inertia at both axes in mm*.
b) Determine the design compressive strength in kN if L-3m.
c) Find the design compressive strength in kN if L=18m.
Elevation
y-axis

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