This document discusses railway construction and maintenance. It covers topics like earthwork, stabilizing track on poor soil through various methods like using layers of murrum, cement grouting, and geotextiles. It also discusses track drainage, including surface and subsurface drainage. Additionally, it mentions calculating materials required for track laying, railway construction, track maintenance, stations and yards, and signalling functions.

1. UNIT-II
RAILWAY CONSTRUCTION AND
MAINTENANCE

3. EARTHWORK

15. STABILIZATION OF TRACK ON POOR SOIL

18. LAYER OF MOORUM

19. CEMENT GROUTING

20. CEMENT GROUTING

21. CEMENT GROUTING

24. SAND PILES

25. CHEMICALS

26. LAYING OF GEOTEXTILE

27. TRACK DRAINAGE

28. SURFACE DRAINAGE

33. SUB SURFACE DRAINAGE

37. Calculation of Materials Required for Track Laying

40. Railway Construction

51. Track Maintenance

69. Station & Yards

99. Signalling

100. Functions