everything about railsystem…

Rolling Stock Terms

This page will be continuously updated… Accelerometer A device that can measure acceleration generated by the movement of an object along an axis. Adhesion (Coefficient of) During rolling contact, the … Continue reading

Suspension Systems for Rolling Stocks

The track irregularities and their interaction with wheel generate vibration of varying amplitude and frequency. These vibrations may cause damage to different parts of the vehicle if not contained and … Continue reading

Stray DC Current

The running rails in a DC electrified traction system are one of the main sources of electromagnetic disturbance to internal and external metallic structures and installations, such as civil works (viaducts … Continue reading

Umbrella Arch

The umbrella arch is a temporary support system forming a structural umbrella from the insertion of an assortment of longitudinal support members installed from within the tunnel, above and around … Continue reading

Railway Signalling Terms

This page will be continuously updated… Absolute Block A system of controlling rail traffic, where (under normal operations) only one train is allowed in the Block Section at a time. Proof … Continue reading

Drill and Blast Method

Drill and blast method is mostly used method for the excavation throughout the world. The method can be used in all types of rocks and the initial cost is lower … Continue reading

Ground Anchor

A prestressed grouted ground anchor is a structural element installed in soil or rock that is used to transmit an applied tensile load into the ground. Grouted ground anchors, referenced simply … Continue reading

Jet Grouting

Jet Grouting is a versatile erosion based system used to create in situ engineered geometries of soil-cement generally with limited required access.  Jet Grouting creates in-situ columns of grouted soil … Continue reading

Track Circuit

Most railroads use track circuits to determine which sections of track are occupied by trains. These devices are actually fairly simple in design, and have been in use since 1872. … Continue reading

Sliding Plug Doors

A door in which the panel or panels, in the open position, are positioned parallel to and outside of the car body. Plug doors can be of the sliding plug … Continue reading

Rail-wheel Lubrication

Rail and wheel wear can be reduced dramatically by proper lubrication. In addition, lubrication can help in saving energy and reducing noise. Rail-wheel lubrications applies by automaticly or manually. Advantages of automatic lubrication; Maintenance … Continue reading

Balise

Balise is an electronic beacon or transponder placed between the rails of a railway as part of an automatic train protection (ATP) system. Transmission device (passive transponder) that can send telegrams (or tele-powering) … Continue reading

Electric Traction Systems

The system which use electrical power for traction system i.e. for railways, trams, trolleys, etc. is called electrical traction. The track electrification refers to the type of source supply system that … Continue reading

Traction Systems

A system which causes the propulsion of vehicle in which tractive or driving force is obtained from various devices such as diesel engine drives, steam engine drives, electric motors, etc. … Continue reading