$($b$)$ Draw the influence line for the force in member IH of the bridge truss shown in

Fig.Q$\mathrm{.}4($b$).$ Determine the maximum live force that can be developed in this

member due to a $18\mathrm{.}5-k$ truck having the wheel loads shown. Assume the truck

can travel either direction along the centre of the deck, so that half the load shown

in transferred to each of the side trusses.

Fig.Q$\mathrm{.}4($b$)$Draw the influence line for the force in member IH of the bridge truss shown in Fig.Q$\mathrm{.}4($b$).$ Determine the maximum live force that can be developed in this member due to a $18\mathrm{.}5-$k truck having the wheel loads shown. Assume the truck can travel either direction along the centre of the deck, so that half the load shown in transferred to each of the side trusses.