Geometrical instruments – Gauge – Collocating
Patent
1999-02-17
2000-12-05
Fulton, Christopher W.
Geometrical instruments
Gauge
Collocating
33338, 33 1Q, 104 71, 104 12, E01B 2904
Patent
active
061549738
ABSTRACT:
A method for correcting the track geometry of a track, includes measuring an initial track position of the track following lifting of the track and tamping under the track, and so computing a final desired track position as to eliminate long-wave alignment errors of the track geometry. Subsequently, corrective values are determined commensurate with a difference between the final desired track position and the initial track position, and the track is stabilized by lowering the track in a controlled manner into the final desired position and controlling in response to the corrective values the static load and/or transverse vibration acting on the track, thereby eliminating during track stabilization in particular long-wave geometrical track errors.
REFERENCES:
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patent: 4497255 (1985-02-01), Theurer
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"Railway Track & Structures" by William C. Vantuono, Mar. 1996: Speed needs: Integrated high-speed m/w equipment.
Lichtberger Bernhard
Theurer Josef
Feiereisen Henry M.
Franz Plasser Bahn-baumaschinen-Industriegesellschaft m.b.H.
Fulton Christopher W.
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