Q3A compound beam consists of a standard I section 402 mm deep and 181 mm wide with a steel plate200 x 25 mm deep welded to each flange. Given that the beam is simply supported over a length of 7m, Ixx for the standard I section alone is 210.12 x 10°mm* and the maximum allowable bending stressis given in the table below, then:Allowable value of bending stress| 350 N/mm?(i)Sketch the cross section and calculate the second moment of area (Ixx) for thecompound section.(ii)Calculate the maximum uniformly distributed load (UDL) the beam can carry if theflange plates extend over the whole 7 m span.(iii)Calculate the minimum central length over which the additional flange plates arerequired.

Given:- Standard I section, Depth of I-section = 402 mm Width of I-section = 181 mm Steel plate…

(i) Sketch the cross section and calculate the second moment of area (Ixx) for the compound section. (ii) Calculate the maximum uniformly distributed load (UDL) the beam can carry if the flange plates extend over the whole 7 m span. (iii) Calculate the minimum central length over which the additional flange plates are required.

(i) Sketch the cross section and calculate the second moment of area (Ixx) for the compound section. (ii) Calculate the maximum uniformly distributed load (UDL) the beam can carry if the flange plates extend over the whole 7 m span. (iii) Calculate the minimum central length over which the additional flange plates are required.

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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