Monthly Archives: April 2014

Sleeper Density in Railways with solved example

Sleeper Density in Railways Number of sleepers provided for one rail length of track is called sleeper density. If “N” is the length of one rail in meters, Sleeper Density = N+ X , (X –> 3 to 6) For a Broad Gauge track, total number of sleepers required for 1km length of railway track… Read More »

How to calculate Minimum number of Sleepers, Breathing and Theoretical Length in Long Welded Rails

How to calculate Minimum number of Sleepers, Breathing and Theoretical Length in Long Welded Rails Long Welded Rails is welded rail in which central part does not undergo any longitudinal movement due to temperature variation. A length of greater than 250 metre on Broad Gauge (BG) and 500 metre on Metre Gauge (MG) will normally… Read More »

Coning of Wheels in Railways : Theory and Purpose

Coning of Wheels in Railways : Theory and Purpose Theory The Surface of wheels are made in cone shape at an inclination of 1 in 20, and the same slope is provided in the rails (see fig), this is known as coning of wheels. The diameter of wheel is different at different cross section of… Read More »

Components of Railway Track

Components of Railway Track Gauge – Inner to inner distance between two rails. Types of Gauges Broad Gauge (BG) – 1.676m Meter Gauge (MG) – 1m Narrow Gauge – 0.762m Feether Track Gauge – 0.61m Ballast forms the Bed upon which railway sleepers or railroad ties are laid. It is packed between and around the… Read More »

Types of Nuclear Waste and Disposal Techniques – Civil Seminar

Types of Nuclear Waste and Disposal Techniques Since the development and utilization of nuclear energy during World War II, countries have struggled with the issue of disposing of high-level nuclear waste . Nuclear waste is one of the biggest downsides to nuclear power, and can remain dangerous for hundreds of thousands of years. Geological disposal… Read More »