ch 2 track geometrics and maintenance

CH # 2TRACK

GEOMETRICS AND

MAINTENANCE

MAINTENANCE OF SURFACE LEVELS OF TRACK Packing Surfacing of the track Boxing and dressing of the track Levelling of the track Lifting of the track Surface defects and remedies Spot packing and track lifting

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PACKING Through packing :-

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PACKING Scissor packing :-

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PACKING Showel packing :-

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Boxing & dressing of track

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SURFACE DEFECTS & REMEDIES Rising of joints

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SURFACE DEFECTS & REMEDIES Variation in rail tilt

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SURFACE DEFECTS & REMEDIES Blowing of joints

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SURFACE DEFECTS & REMEDIES Pumping of joints

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SURFACE DEFECTS & REMEDIES Hogging of rails

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SURFACE DEFECTS & REMEDIES Center bound sleeper Due to excess of ballast under sleeper,

it tends to rise up from center. Due to improper drainage.

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SURFACE DEFECTS & REMEDIES Heaved track

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SPOT PACKING AND TRACK LIFTING