A built-up section is made from 450mm x 20mm as flanges and 500mm x 20mm as web asshown. All plates are A50 steel and the flanges are continuously connected to the web by means ofweld. This section will be used as a beam to support a factored distributed load as shown.450mm x 20mm50 KN/m5.0m3.0m450mm x 20mmA. Determine the moment of inertia along the neutral axis.B. Determine the shear flow at the neutral axis.C. Determine the shear strength capacity and adequacy of the built-up section using LRFD-NSCP2015 provisions.500mm x20mm

Answer (A) Calculation of Moment of inertia along the Neutral axis Since the section is…

A built-up section is made from 450mm x 20mm as flanges and 500mm x 20mm as web as shown. All plates are A50 steel and the flanges are continuously connected to the web by means of weld. This section will be used as a beam to support a factored distributed load as shown.

A built-up section is made from 450mm x 20mm as flanges and 500mm x 20mm as web as shown. All plates are A50 steel and the flanges are continuously connected to the web by means of weld. This section will be used as a beam to support a factored distributed load as shown.

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

A built-up section is made from 450mm x 20mm as flanges and 500mm x 20mm as web as
shown. All plates are A50 steel and the flanges are continuously connected to the web by means of
weld. This section will be used as a beam to support a factored distributed load as shown.
450mm x 20mm
50 KN/m
5.0m
3.0m
450mm x 20mm
A. Determine the moment of inertia along the neutral axis.
B. Determine the shear flow at the neutral axis.
C. Determine the shear strength capacity and adequacy of the built-up section using LRFD-NSCP
2015 provisions.
500mm x20mm

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