Two 160 mm * t cover plates are welded to two cahnnels 200 mm high to form the cross section of the beam shown in the figure. The moment of inertia of each channel about a horizontal axis through the centroid is 2.06*106mm4.a)Determine the support reactions.b)Draw the shear force and bending moment diagrams.c)If the allowable bending stress of the beam is 255 MPa, find the required thickness t of the plates to safely support the load. II3 kN/mt mm30 kN.m100 mmBt mm3 m-3 m-3 m80 mm

Introduction : Reactions : One of the most basic structures is the simply supported beam. Only two…

Answered: Two 160 mm * t cover plates are welded…

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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Two 160 mm * t cover plates are welded to two cahnnels 200 mm high to form the cross section of the beam shown in the figure. The moment of inertia of each channel about a horizontal axis through the centroid is 2.06*10⁶mm⁴.

a)Determine the support reactions.

b)Draw the shear force and bending moment diagrams.

c)If the allowable bending stress of the beam is 255 MPa, find the required thickness t of the plates to safely support the load.

II
3 kN/m
t mm
30 kN.m
100 mm
B
t mm
3 m-
3 m-
3 m
80 mm

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