A welded plate girder of span 25 m is Laterally restrained throughout its Length. It has to carry- a load of 80 kN/m over the whole span besides its weight. If K = 200 and fy = 250 MPa, the thickness of the web will be (in mm)

A welded plate girder of span 25 m is Laterally restrained throughout its Length. It has to carry- a load of 80 kN/m over the whole span besides its weight. If K = 200 and fy = 250 MPa, the thickness of the web will be (in mm)

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

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter10: Plate Girders

Section: Chapter Questions

Problem 10.7.9P

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Braced cuts

The braced cut is a method of providing lateral support to the soil in foundation trenches, to prevent the trenches from deformation by the caving in of soil and resisting it from moving laterally. During shallow excavation in firm soil, generally, slopes are provided to resist the caving in of soil. During shallow excavation in soft soil and deep excavation, the chances of caving in of soil increase. Hence, it becomes necessary to make a provision to resist the deformation of trenches due to caving in of soil. The braced cut is the method used for such conditions. The excavation using braced cuts is a bit uneconomical as compared to the traditional open-cut excavation method but provides better safety than the cut excavation method.

Question

A welded plate girder of span 25 m is
Laterally restrained throughout its
length. It has to carry- a load of 80
kN/m over the whole span besides its
weight. If k = 200 and fy = 250
MPa, the thickness of the web will be
(in mm)

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