Block construction for preventing outflow of ballasts

Details Block construction for preventing outflow of ballasts Block construction for preventing outflow of ballasts

1985-05-13

1986-08-26

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

405258, 52609, E02D 2902

Patent

active

046079858

ABSTRACT:
A block construction for preventing the outflow of ballast along a railway which includes a slab body, a ballast-retaining wall extending upward form the slab body at a location spaced from the front and rear edges of the slab body, for retaining ballast on the laterally rearward side thereof, and a pair of spaced apart legs extending downward from the rear edge of the slab for being buried in holes in a roadbed along the railway for firmly fixing the slab relative to the ground. The slab has an upper surface forward of the retaining wall of sufficient lateral extent to provide a longitudinally extending walkway for use by railway construction and maintenance personnel.

REFERENCES:
patent: 1349166 (1920-08-01), Paff
patent: 1778574 (1930-10-01), Thornley
patent: 2388624 (1945-11-01), Tashjian
patent: 2420228 (1947-05-01), Condon
patent: 3282056 (1966-11-01), Fisher
"Performance Tests and Design of Ballast-Retaining Blocks", RailWay magazine, vol. 30, Aug. 10, 1982.

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