A steel beam is made up of a wide flange section whose total depth is 600mm, width of the flange is 300mm, flange thickness of 20mm and moment of inertia Ix- 1.16x109mm4. Its web thickness is 10mm and has a simple span of 9m. A 40kN/m uniform load is loaded throughout its span and 200kN load acting at mid span. Allowable bending stress of the beam is 148Mpa. I Mmax = Fb = 0.6Fy Fb = Sx: M WL² 8 Sx + PL 4 c = depth from top of the section to midheight Determine the width top and bottom reinforcing plates 12mm thick if necessary

A steel beam is made up of a wide flange section whose total depth is 600mm, width of the flange is 300mm, flange thickness of 20mm and moment of inertia Ix- 1.16x109mm4. Its web thickness is 10mm and has a simple span of 9m. A 40kN/m uniform load is loaded throughout its span and 200kN load acting at mid span. Allowable bending stress of the beam is 148Mpa. I Mmax = Fb = 0.6Fy Fb = Sx: M WL² 8 Sx + PL 4 c = depth from top of the section to midheight Determine the width top and bottom reinforcing plates 12mm thick if necessary

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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A steel beam is made up of a wide flange section whose total depth is 600mm, width of the flange is 300mm, flange thickness of 20mm and moment of inertia Ix = 1.16x109 mm4 . Its web thickness is 10mm and has a simple span of 9m. A 40 kN/m uniform load is loaded throughout its span and 200kN load acting at midspan. Allowable bending stress of the beam is 148.8 MPa. Situation No. 1 1. Determine the required section modulus without exceeding the allowable bending stress. 2. Determine the section modulus of the wide flange. 3. Determine the width of top and bottom reinforcing plates 12mm thick if necessary. 4. Determine the length of top and bottom reinforcing plates if necessary.
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