In a bracket connection where bolts resist both direct shear and moment (eccentric load), the bolt with maximum resultant force is:
Choose the correct answer
The topmost bolt
The bottommost bolt
The bolt farthest from the centroid of the bolt group
The bolt at the neutral axis
Correct Answer
C. The bolt farthest from the centroid of the bolt group
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For eccentric connections, the force due to moment = M x r / I_p (where r = distance from centroid, I_p = polar moment of inertia of bolt group). Maximum resultant = vector sum of direct shear + moment force, maximum at the farthest bolt.
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