Synthetic railroad crosstie

Details Synthetic railroad crosstie Synthetic railroad crosstie

E - Fixed Constructions

01

B

238/42, 238/47

E01B 3/00 (2006.01) E01B 3/10 (2006.01) E01B 3/36 (2006.01) E01B 3/44 (2006.01)

Patent

CA 1053205

ABSTRACT OF THE DISCLOSURE A railroad crosstie is constructed from at least two individually distinct rail support blocks interconnected by a web system which is fastened to the blocks and which comprises at least one self- -supporting rigid sheet member adapted to be buried in the roadway ballast when the tie is in place. The blocks are selected to support and secure rails in conventional manner, and the interconnecting web system holds the blocks in relative position in the roadbed. The rigid sheet member adapted to be buried in the roadway ballast is advantageously disposed or provided with means such as horizontal longitudinal corrugations to interact mechanically with the particles of standard railroad ballast, whereby the tie resists being withdrawn from the roadbed. Exemplary ties have trapezoidal rail support blocks of cellular high density. polyethylene interconnected with side panels of longitudinally corrugated steel sheet, which ties are lighter than standard wood ties but have comparable load properties and durability superior to wood.

259144

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