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(Solved): A 20mm-diameter rod made of the same material as rods AC and AD in the truss shown was tested to ...




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A -diameter rod made of the same material as rods and in the truss shown was tested to failure ar an ultimate load of was recorded. Using a factor of safety of 3.0, determine the required diameter of of .


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Given
FOS=3
ultimate load=130KN
Find angles at D,C
  
  
  
  


we need to find forces in AC, AD


Take Joint c

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