Railroad roadway for high speed rail-mounted vehicles

Details Railroad roadway for high speed rail-mounted vehicles Railroad roadway for high speed rail-mounted vehicles

1988-10-25

1990-03-06

Kashnikow, Andres

Railways: surface track

Roadbed

404 31, 404 41, 404 70, E01B 100

Patent

active

049058967

ABSTRACT:
A railroad railway for rail-mounted vehicles capable of high speed travel includes a track grating formed of rails and ties with the ties partially embedded in a poured-in-place steel reinforced concrete slab. The concrete slab is mounted on a continuous concrete substructure with a separating layer arranged between the slab and substructure. A single layer of steel reinforcement is located in the concrete slab spaced below the ties. The slab is dimensioned so that it serves only for plate-like stiffening of the track grating without any appreciable inherent bending resistance. The slab is secured against longitudinal and transverse displacement of the substructure, while the substructure is dimensioned to absorb bending moments developed in the longitudinal direction of the rails. The concrete slab is divided in the longitudinal direction by transversely extending expansion joints whereby sections of the slab can be replaced if damage occurs. There is sufficient space between adjacent ties above the concrete slab to add sound absorbing material.

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Railroad Gazette, Mar. 20, 1908, vol. 45, p. 1384.
Einsatz Der Festen Fahrbahn Auf Den Neubaustrecken Der Deutschen Bundesbahn*) by Dieter Hilliges, pp. 347-353, vol. 7, 1987.

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