Question
Asked Oct 24, 2019
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consider a beam shown in the attached figure

express the internal shear in the beam as a function of x for L/3 < x < L.

Wo
A
2L
3
L
3
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Wo A 2L 3 L 3

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Expert Answer

Step 1

An over hanged beam with triangular loading is given,

Free body diagram is given below

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Wo D C B E A VA VB

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Step 2

First calculate support reactions at  A and B

Since, B is pinned support therefore moment will be zero

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ΣΜ-0 L 0 L 0 V and ΣΕ-0 1 VB 4 xLxo 0 2 WOL VB 4

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Step 3

Expression for the internal shear for the member L/3 < x < L is derived as shown below

Cal...

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WX Vx VA х ACDE ACFB 11 x L Wo

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Civil Engineering

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