Determine the ASD and LRFD compressive strength of the column. The build-up column shown consist of(375X75 welded toahingedPL 12x400 mm. The column is 8mts long and isboth ends. Determine the ASD and IRFD compressive strengthof the column.PL 12x400300*381Properties of C 375 x75A=9480mm²- 381 mmx=20.3mmbf=94-5mm16.5mm#f=tw = 18.2mm1x = 168 x10 mm 4= 4.58x106mm²4ly.Fy> 250MPa

Properties of C375 x 75 section Plate size is 12 x 400mm

I The build-up column shown consist of (375X75 welded to PL 12x400 mm. The column is 8mts long and is hinged @both ends. Determine the ASD and LRFD compressive strength of the column. 35 PL 12 X 400 300 SD * 381 Properties of C 375 x75 A=9480mm² - 381 mm x=20.3mm bf= 94.5mm tf = 16.5mm tw = 18.2mm 1x = 168 x10 mm 4 4.58x106mm 4 ly = = Fy= 250 мра

I The build-up column shown consist of (375X75 welded to PL 12x400 mm. The column is 8mts long and is hinged @both ends. Determine the ASD and LRFD compressive strength of the column. 35 PL 12 X 400 300 SD * 381 Properties of C 375 x75 A=9480mm² - 381 mm x=20.3mm bf= 94.5mm tf = 16.5mm tw = 18.2mm 1x = 168 x10 mm 4 4.58x106mm 4 ly = = Fy= 250 мра

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

Determine the ASD and LRFD compressive strength of the column.

The build-up column shown consist of
(375X75 welded to
a
hinged
PL 12x400 mm. The column is 8mts long and is
both ends. Determine the ASD and IRFD compressive strength
of the column.
PL 12x400
300
*
381
Properties of C 375 x75
A=9480mm²
- 381 mm
x=20.3mm
bf=94-5mm
16.5mm
#f=
tw = 18.2mm
1x = 168 x10 mm 4
= 4.58x106mm²4
ly.
Fy> 250MPa

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Step 1: Given

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Step 2: Calculation of moment of inertia of given section about x axis

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Step 3: Calculation of moment of inertia of given section about y axis

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Step 4: Calculate radius of gyration about x and y axis

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Step 5: Calculate governing slenderness ratio

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Step 6: Calculate elastic buckling stress, Fe

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Step 7: Calculate critical flexural buckling stress, Fcr

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Step 8: Calculate compressive strength of the column by LRFD and ASD

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