Presentation on Metro Trains and station, types of structure.

1. A PRESENTATION ON
METRO
PROJECTS

2. COMMON TERMINOLOGIES
 PLATFORM
 OHE & THIRD RAIL TRACTION
 PLATFORM SCREEN DOOR
 ISLAND STATION
 CONCOURSE
 DRY FIXING
 HONED GRANITE
 TACTILE TILES

3. TACTILE TILES

4. TYPES OF METRO
 ELEVATED
 UNDERGROUND
 ON GRADE

5. ELEVATED METRO

6.  FULL SPAN CASTING OF INDIVIDUAL LINES
 FULL SPAN CASTING OF BOTH LINES
 SEGMENTAL LAUNCHING
 I-GIRDER
 CAST IN SITU

7. SPECIAL FEATURES
 PORTAL
 CANTILEVER PIERCAP

8. VIADUCT PHOTOS

9. VIADUCT PHOTOS

10. VIADUCT PHOTOS

11. VIADUCT PHOTOS

12. VIADUCT PHOTOS

13. VIADUCT PHOTOS

14. VIADUCT PHOTOS

15. VIADUCT PHOTOS

16. VIADUCT PHOTOS

17. VIADUCT PHOTOS

18. VIADUCT PHOTOS

19. VIADUCT PHOTOS

20. VIADUCT PHOTOS

21. VIADUCT PHOTOS

22. LAUNCHING GIRDER

23. LAUNCHING GIRDER

24. LAUNCHING GIRDER

25. LAUNCHING GIRDER

26. LAUNCHING GIRDER

27. SEGMENT ERECTION
(For 31 m Span Length : Segment 11 Nos.

28. SEGMENT ERECTION

29. SEGMENT ERECTION

30. SEGMENT ERECTION

31. SEGMENT ERECTION

32. SEGMENT ERECTION

33. SEGMENT ERECTION

35. LAUNCHING PHOTOS

36. LAUNCHING PHOTOS

37. LAUNCHING PHOTOS

38. ELEVATED STATION

39.  EXTENDED PIERCAP
 SIDE PLATFORM STATION
 ISLAND PLATFORM STATION
 TROUGH VIADUCT STATION

40. EXTENDED PIERCAP PHOTOS

41. EXTENDED PIERCAP PHOTOS

42. EXTENDED PIERCAP PHOTOS

43. EXTENDED PIERCAP PHOTOS

44. EXTENDED PIERCAP PHOTOS

45. EXTENDED PIERCAP PHOTOS

46. EXTENDED PIERCAP PHOTOS

47. EXTENDED PIERCAP PHOTOS

48. METHOD STATEMENT FOR
CHENNAI METRO

49. FOUNDATION FOR VIADUCT
PEDESTAL
FOOTING

50. PIER FOR VIADUCT
PIER
PEDESTAL
FOOTING

51. PIERCAP FOR VIADUCT
PIERCAP
PIER
PEDESTAL
FOOTING

52. VIADUCT
VIADUCT
PIERCAP
PIER
PEDESTAL
FOOTING

53. PLATFORM – MEENABAKKAM STN
PLATFORM
VIADUCT
EXTENDED PIERCAP
PIERCAP
PIER
PEDESTAL
FOOTING

54. FOOTINGS – MEENABAKKAM STN
PLATFORM
VIADUCT
EXTENDED PIERCAP
PIERCAP
PIER
FOOTINGS PEDESTAL
FOOTING

55. COLUMN – MEENABAKKAM STN
VIADUCT
EXTENDED PIERCAP
COLUMN
PIERCAP
PEDESTAL PIER
FOOTING
FOOTINGS

56. CONCOURSE SLAB – MEENABAKKAM STN
PLATFORM
VIADUCT
CONCOURSE SLAB
EXTENDED PIERCAP
PIERCAP
COLUMN
PEDESTAL PIER
FOOTINGS FOOTING

57. PLATFORM SLAB – MEENABAKKAM STN
PLATFORM SLAB PLATFORM
EXTENDED PIERCAP
VIADUCT
CONCOURSE SLAB
PIERCAP
COLUMN
PEDESTAL PIER
FOOTINGS FOOTING

58. MEENABAKKAM STATION
ROOF SHEETING
STEEL COLUMN
PLATFORM SLAB PLATFORM
EXTENDED PIERCAP
VIADUCT
CONCOURSE SLAB
PIERCAP
COLUMN
PEDESTAL PIER
FOOTINGS FOOTING

59. EXCAVATION – CUT & COVER METHOD
20,000
GL GL
Soil Cover
Weathered Rock
11,000

60. BASE SLAB – CUT & COVER METHOD
GL GL
11,000

61. WALLS – CUT & COVER METHOD
GL GL
9218
5750

62. TOP SLAB – CUT & COVER
GL GL
9218
6250

63. BACK FILL – CUT & COVER
GL Ground Level GL
6250 9218

64. UNDERGROUND METRO

65. TUNNEL
 CUT & COVER
 BORED TUNNEL

66. FEATURES
 TOP DOWN
 BOTTOM UP

67. STATIONS
 CUT & COVER
 BOTTOM UP
 TOP DOWN
 CAVERN

68. PHOTOS: CUT & COVER

69. PHOTOS: CUT & COVER

70. PHOTOS: CUT & COVER

71. PHOTOS: CUT & COVER

72. PHOTOS: CUT & COVER

73. PHOTOS: CUT & COVER

74. PHOTOS: CUT & COVER

75. – TYP. FEATURES
 OPEN EXCAVATION
 SOLDIER PILES / LAGGING
 SHEET PILES
 SHOTCRETING & ROCKBOLTING
 DIAPHRAGM WALLS
 KING POST

76. BASE SLAB

77. BASE SLAB

78. BASE SLAB TEMP. CONTROL

79. GROUND ANCHORING

80. GROUND ANCHORING

81. KING POST DRIVING

82. KING POST DRIVING

83. SHOTCRETING & ROCKBOLTING

84. SHOTCRETING & ROCKBOLTING

85. STRUTTING

86. SHEET PILING

87. SHEET PILING / STRUTING

88. SHEET PILING

89. SHEET PILING - GROUND SUPPORT

90. SHEET PILING WITH HYDRAULIC JACK

91. SHEET PILING WITH VIBRO HAMMER

92. – TYP. FEATURES
 CONSTRUCTION IN REVERSE ORDER
 DIAPHRAGM WALLS
 PLUNGE COLUMNS & BARRETTES
 LONG BOOM EXCAVATORS & SMALL
EXCAVATORS

93. GRABBING FOR DIAPHRAGM WALL

94. GRABBING FOR DIAPHRAGM WALL

95. PLUNGE COLUMN EXCAVATION

96. PLUNGE COLUMN EXCAVATION

97. PLUNGE COLUMN EXCAVATION

98. TOP DOWN LONG BOOM EXCAVATOR

99. TOP DOWN LONG BOOM EXCAVATOR

100. TOP DOWN LONG BOOM EXCAVATOR

101. METHOD STATEMENT FOR
BOTTOM UP CONSTRUCTION

102. TUNNEL
STAGE 1 – DIAPHRAGM WALL
Traffic on half
width of road
500 X 500 X 150 thk.
RCC Guide Wall
Approximately 20 - 25 metres
Diaphragm Wall (typ.)
1000 / 1200 mm thk.

103. TUNNEL
STAGE 2 – DIAPHRAGM WALL
Traffic on half
width of road
500 X 500 X 150 thk.
RCC Guide Wall
Approximately 20 - 25 metres
Diaphragm Wall
1000 / 1200 mm

104. TUNNEL
STAGE 3 – EXCAVATION & STRUTS FIXING
Approx. 5-6 metres
5-6 m wide deck for
Dumper movement
Struts
Waler Beams

105. TUNNEL
STAGE 4 – EXCAVATION & LVL 1 SLAB
Approx. 8-9 metres
RCC Waler Beam
1 m wide
PCC Base for Slab
Cross Beam 2.5 m wide Grid Casting
@ 8.4 m c/c

106. TUNNEL
STAGE 5 – EXCAVATION & LVL 2 SLAB
Approx. 13-15 metres
Partition Bottom Slab
Wall
PCC Base for Slab
Grid Casting

107. TUNNEL
CUT & COVER TUNNEL BY BOTTOM UP METHOD
10300 - 21250 mm
Final Ground Level
2000
4000 - 10000 mm
Diaphragm Wall
1000 / 1200 mm
Backfilled Area
Cut & Cover Excavation
5200
Partition Wall
300 mm thk.
Embedment
approx. 5 - 7
Down Up
Line Line

108. STATION
STAGE 1 – DIAPHRAGM WALL & BARRETTE
Diaphragm Walls
constructed as for
tunnels
Approximately 20 - 25 metres
Steel Column plunged
in the bore & filled with
sand @ 8.4 M C/C
4.5 X 1 m Barrette
Cast upto Bottom
Slab level @ 8.4 m c/c

109. STATION
STAGE 2 – STRUTS FIXING & TOP SLAB
Approx
3-4m

110. STATION
Approx. 8 - 10 metres STAGE 3 – CONCOURSE SLAB

111. STATION
Approx. 16 metres STAGE 4 – PLATFORM SLAB

112. STATION
STAGE 5 – CONCOURSE SLAB COMPLETE
Approx. 8 - 10 metres

113. STATION
STAGE 6 – TOP SLAB COMPLETE

114. STATION
STAGE 7 – BACK FILLING
Backfi l l
Concourse Concourse
Pl atform Pl atform
down l i ne up l i ne

115. CHALLANGES
 GROUND WATER
 UTILITY HANDLING
 WATER LINES
 ELECTRICAL LINES
 TELECOMMUNICATION LINES
 SEWAGE LINES
 CITY DRAINS
 TRAFFIC MANAGEMENT
 PRODUCTION IN NIGHT
 THIRD PARTY MANAGEMENT

116. 11 KV LINE SUPPORT

117. TRAFFIC DECKING

118. TRAFFIC DECKING

119. TRIAL TRENCHING

120. TRIAL TRENCHING