Railroad track bed using injection materials and method therefor

Railways: surface track – Roadbed

Patent

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106273R, 404 75, E01B 100

Patent

active

041564405

ABSTRACT:
In a railroad track bed, an injection layer is formed between the railroad ties and the raodbed so as to protect the latter. The injected layer is composed of an injection material injected through openings formed in the tie. The injection material has a viscosity below 30 poise at a temperature not higher than 200.degree. C. before hardening, and when hardened it has a compressive stress at 10% strain of 0.4 to 30 kg/cm.sup.2 at a compressive strain rate at 40.degree. C. of 1.5% per minute.

REFERENCES:
patent: 676129 (1901-06-01), Goldie
patent: 3577250 (1971-05-01), Rostler
patent: 3656690 (1972-04-01), Hanig
patent: 3703393 (1972-11-01), Koons
patent: 3859238 (1975-01-01), Kremser et al.
patent: 3869417 (1975-03-01), Ramsay
patent: 3878987 (1975-04-01), Uzuka
patent: 4028293 (1977-06-01), VAN DEN Berg

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