The main function of a fish plate is
The rails are to be connected at their ends. This is achieved by means of a pair of fish plates per rail.The holes are drilled through the plates and the web of rails and then the fish bolts and nuts are provided in these holes.
When the bolts and nuts are tightened up, the rails are joined together and a continuous track is formed.
Number of fish bolts per fish plate is
Fish plate is in contact with rail at
Staggered joints are generally provided
When the rail ends rest on a joint sleeper, the joint is termed as
Dog spikes are used for fixing rail to the
Number of dog spikes normally used per rail seat on curved track is
The type of bearing plate used in all joints and on curves to give better bearing area to the rails is
Flat mild steel bearing plates are used
The type of spike used for fixing chairs of bull headed rails to wooden sleepers is
Round spikes are mainly used for fixing G.l. chairs of B.H. rails to wooden sleepers and also in switch fittings on wooden sleepers. The spikes have a blunt end and the length varies according to the gauge of the track.