(6.5) – Team 5

The composite beam shown is fabricated by connecting two W 150 x 37.1 rolled-steel members , using bolts of 16-mm diameter spaced longitudinally every 150 mm , Knowing that tha average allowable shearing stress in the bolts is 73 Mpa . determine the largest allowable vertical shear in the beam .


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20.JPG

Solution :

From Appendix C :

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21.JPG


By removing the nails we remove one I :

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22.JPG


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23.JPG


By substituting in (*)

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24.JPG


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