You wish to bolt a sign to a horizontal I-beam supporting a bridge. You will weaken the beam least if you drill the bolt-holes through the
A) upper flange.
B) lower flange.
C) web.
D) All these will have the same effect.
Answer: C
You wish to bolt a sign to a horizontal I-beam supporting a bridge. You will weaken the beam least if you drill the bolt-holes through the
A) upper flange.
B) lower flange.
C) web.
D) All these will have the same effect.