A built-up beam with length L carries a uniformly distributed load of 20 kN/m all throughout its span. If modular ratio of the composite beam is 7, determine the maximum Length that must be adopted to the beam so that it would not exceed bending stress for wood (11 MPa) and that of the steel (60 MPa).

A built-up beam with length L carries a uniformly distributed load of 20 kN/m all throughout its span. If modular ratio of the composite beam is 7, determine the maximum Length that must be adopted to the beam so that it would not exceed bending stress for wood (11 MPa) and that of the steel (60 MPa).

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 beam with length L carries a uniformly distributed load of 20 kN/m all throughout its span. If modular
ratio of the composite beam is 7, determine the maximum Length that must be adopted to the beam so that it
would not exceed bending stress for wood (11 MPa) and that of the steel (60 MPa).
200 mm
wood
400 mm
steel
20 mm

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