Method for obtaining a controlled degree of ballast compaction i

Details Method for obtaining a controlled degree of ballast compaction i Method for obtaining a controlled degree of ballast compaction i

1978-06-12

1981-02-03

Bertsch, Richard A.

Railways

Track layers

Tamper

E01B 2716

Patent

active

042481554

ABSTRACT:
A controlled degree of ballast compaction is obtained with a mobile track tamping and leveling machine which comprises a track holding device holding the tract at a leveled position under the control of an error signal from a reference system. The track is raised and ballast is compacted under the points of intersection between the track rails and ties, the ballast being pressed against the held track until it has reached a controlled degree of compaction. Jacking of the track is terminated before tamping.

REFERENCES:
patent: 3071082 (1963-01-01), Talboys
patent: 3455249 (1969-07-01), Stewart
patent: 3545384 (1970-12-01), Plasser et al.
patent: 3675581 (1972-07-01), Plasser et al.
patent: 3687081 (1972-08-01), Plasser et al.

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