Types of Sleepers
The sleepers mostly used on
Indian Railways are (i) wooden sleepers, (ii) cast iron (CI) sleepers, (ii)
steel sleepers, and (iv) concrete sleepers. Table 7.3 compares the important
characteristics of these types.
Wooden
Characteristics
Service life (years) : 12-15
Weight of sleeper for BG (kg) : 83
Handling : Manual handling; no damage to
sleeper while handling
Type of maintenance : Manual or
mechanized
Cost of maintenance : High
Gauge adjustment : Difficult
Steel
Characteristics
Service life (years) : 40-50
Weight of sleeper for BG (kg) : 79
Handling : Manual handling; no damage to
sleeper while handling
Type of maintenance : Manual or
mechanized
Cost of maintenance : Medium
Gauge adjustment : Easy
Cl
Characteristics
Service life (years) : 40-50
Weight of sleeper for BG (kg) : 87
Handling : Manual handling; liable to
break by rough handling
Type of maintenance : Manual
Cost of maintenance : Medium
Gauge adjustment : Easy
Concrete
Characteristics
Service life (years) : 50-60
Weight of sleeper for BG (kg) : 267
Handling : No manual handling; gets
damaged by rough handling
Type of maintenance : Mechanized only
Cost of maintenance : Low
Gauge adjustment : No gauge
Table 7.3 Comparison of different types of sleepers
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