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Chapter: Civil : Railway Airport Harbour Engineering : Railway Engineering : Construction of New Railway Lines and Track Linking

Requirement of Track Material for BG Track

Rails, Number of sleepers, Fittings and fastenings

Requirement of Track Material for BG Track


Rails

 

The standard length of the rails is 13 m for BG and 12 m for MG lines.

No. of rails per km for BG lines = 1000  / 2 13

154 Wt of 52-kg rails per km = 52 154 = = 8008 kg

 

Number of sleepers

 

The number of sleepers to be used depends upon the sleeper density. Assume sleeper density to be M + 7, where M is the length of the rail in metres.

 

Number of sleepers per rail = 13 + 7 = 20 Number of sleepers per km = 77 20 = 1540

 

Fittings and fastenings

 

No. of fish plates per km  = 2 number of rails per km

=       2 154 = 308

 

(b)     No. of fish bolts   = 4 number of rails per km

                   = 4 154 = 616

(c)      No. of bearing plates     = number of sleepers 2

                   = 1540 2 = 3080

(d)     Number of dog spikes    = number of sleepers 4

                   = 1540 4 = 6160

 

The requirement of track materials for MG lines can also be calculated in the same manner.


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Civil : Railway Airport Harbour Engineering : Railway Engineering : Construction of New Railway Lines and Track Linking : Requirement of Track Material for BG Track |


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