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(Solved): The rolled-steel beam shown has been reinforced by attaching to it two 9 175-mm plates, using 18 ...


The rolled-steel beam shown has been reinforced by attaching to it two \( 9 \times \) 175-mm plates, using 18-mm-diameter bol

The rolled-steel beam shown has been reinforced by attaching to it two 175-mm plates, using 18-mm-diameter bolts spaced longitudinally every 125 . Knowing that the average allowable shearing stress in the bolts is 125 MPa, determine the largest permissible vertical shearing force. The largest permissible vertical shearing force is .


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Calculate the Q and Ix

Ix is given as ;
Ix = Ix for (W250 x 44.8) + Ix for plates
From Properties of rolled steel shapes
Appendix C , W shapes
Along x axis
  
depth d = 266





Just substitute the value and find the value of Ix and Q.


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