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62617938 launching-girder
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  1. 1. A PRESENTATION ON METRO PROJECTS
  2. 2. COMMON TERMINOLOGIES  PLATFORM  OHE & THIRD RAIL TRACTION  PLATFORM SCREEN DOOR  ISLAND STATION  CONCOURSE  DRY FIXING  HONED GRANITE  TACTILE TILES
  3. 3. TACTILE TILES
  4. 4. TYPES OF METRO  ELEVATED  UNDERGROUND  ON GRADE
  5. 5. ELEVATED METRO
  6. 6.  FULL SPAN CASTING OF INDIVIDUAL LINES  FULL SPAN CASTING OF BOTH LINES  SEGMENTAL LAUNCHING  I-GIRDER  CAST IN SITU
  7. 7. SPECIAL FEATURES  PORTAL  CANTILEVER PIERCAP
  8. 8. VIADUCT PHOTOS
  9. 9. VIADUCT PHOTOS
  10. 10. VIADUCT PHOTOS
  11. 11. VIADUCT PHOTOS
  12. 12. VIADUCT PHOTOS
  13. 13. VIADUCT PHOTOS
  14. 14. VIADUCT PHOTOS
  15. 15. VIADUCT PHOTOS
  16. 16. VIADUCT PHOTOS
  17. 17. VIADUCT PHOTOS
  18. 18. VIADUCT PHOTOS
  19. 19. VIADUCT PHOTOS
  20. 20. VIADUCT PHOTOS
  21. 21. VIADUCT PHOTOS
  22. 22. LAUNCHING GIRDER
  23. 23. LAUNCHING GIRDER
  24. 24. LAUNCHING GIRDER
  25. 25. LAUNCHING GIRDER
  26. 26. LAUNCHING GIRDER
  27. 27. SEGMENT ERECTION (For 31 m Span Length : Segment 11 Nos.
  28. 28. SEGMENT ERECTION
  29. 29. SEGMENT ERECTION
  30. 30. SEGMENT ERECTION
  31. 31. SEGMENT ERECTION
  32. 32. SEGMENT ERECTION
  33. 33. SEGMENT ERECTION
  34. 34. LAUNCHING PHOTOS
  35. 35. LAUNCHING PHOTOS
  36. 36. LAUNCHING PHOTOS
  37. 37. ELEVATED STATION
  38. 38.  EXTENDED PIERCAP  SIDE PLATFORM STATION  ISLAND PLATFORM STATION  TROUGH VIADUCT STATION
  39. 39. EXTENDED PIERCAP PHOTOS
  40. 40. EXTENDED PIERCAP PHOTOS
  41. 41. EXTENDED PIERCAP PHOTOS
  42. 42. EXTENDED PIERCAP PHOTOS
  43. 43. EXTENDED PIERCAP PHOTOS
  44. 44. EXTENDED PIERCAP PHOTOS
  45. 45. EXTENDED PIERCAP PHOTOS
  46. 46. EXTENDED PIERCAP PHOTOS
  47. 47. METHOD STATEMENT FOR CHENNAI METRO
  48. 48. FOUNDATION FOR VIADUCT PEDESTAL FOOTING
  49. 49. PIER FOR VIADUCT PIER PEDESTAL FOOTING
  50. 50. PIERCAP FOR VIADUCT PIERCAP PIER PEDESTAL FOOTING
  51. 51. VIADUCT VIADUCT PIERCAP PIER PEDESTAL FOOTING
  52. 52. PLATFORM – MEENABAKKAM STN PLATFORM VIADUCT EXTENDED PIERCAP PIERCAP PIER PEDESTAL FOOTING
  53. 53. FOOTINGS – MEENABAKKAM STN PLATFORM VIADUCT EXTENDED PIERCAP PIERCAP PIER FOOTINGS PEDESTAL FOOTING
  54. 54. COLUMN – MEENABAKKAM STN VIADUCT EXTENDED PIERCAP COLUMN PIERCAP PEDESTAL PIER FOOTING FOOTINGS
  55. 55. CONCOURSE SLAB – MEENABAKKAM STN PLATFORM VIADUCT CONCOURSE SLAB EXTENDED PIERCAP PIERCAP COLUMN PEDESTAL PIER FOOTINGS FOOTING
  56. 56. PLATFORM SLAB – MEENABAKKAM STN PLATFORM SLAB PLATFORM EXTENDED PIERCAP VIADUCT CONCOURSE SLAB PIERCAP COLUMN PEDESTAL PIER FOOTINGS FOOTING
  57. 57. MEENABAKKAM STATION ROOF SHEETING STEEL COLUMN PLATFORM SLAB PLATFORM EXTENDED PIERCAP VIADUCT CONCOURSE SLAB PIERCAP COLUMN PEDESTAL PIER FOOTINGS FOOTING
  58. 58. EXCAVATION – CUT & COVER METHOD 20,000 GL GL Soil Cover Weathered Rock 11,000
  59. 59. BASE SLAB – CUT & COVER METHOD GL GL 11,000
  60. 60. WALLS – CUT & COVER METHOD GL GL 9218 5750
  61. 61. TOP SLAB – CUT & COVER GL GL 9218 6250
  62. 62. BACK FILL – CUT & COVER GL Ground Level GL 6250 9218
  63. 63. UNDERGROUND METRO
  64. 64. TUNNEL  CUT & COVER  BORED TUNNEL
  65. 65. FEATURES  TOP DOWN  BOTTOM UP
  66. 66. STATIONS  CUT & COVER  BOTTOM UP  TOP DOWN  CAVERN
  67. 67. PHOTOS: CUT & COVER
  68. 68. PHOTOS: CUT & COVER
  69. 69. PHOTOS: CUT & COVER
  70. 70. PHOTOS: CUT & COVER
  71. 71. PHOTOS: CUT & COVER
  72. 72. PHOTOS: CUT & COVER
  73. 73. PHOTOS: CUT & COVER
  74. 74. – TYP. FEATURES  OPEN EXCAVATION  SOLDIER PILES / LAGGING  SHEET PILES  SHOTCRETING & ROCKBOLTING  DIAPHRAGM WALLS  KING POST
  75. 75. BASE SLAB
  76. 76. BASE SLAB
  77. 77. BASE SLAB TEMP. CONTROL
  78. 78. GROUND ANCHORING
  79. 79. GROUND ANCHORING
  80. 80. KING POST DRIVING
  81. 81. KING POST DRIVING
  82. 82. SHOTCRETING & ROCKBOLTING
  83. 83. SHOTCRETING & ROCKBOLTING
  84. 84. STRUTTING
  85. 85. SHEET PILING
  86. 86. SHEET PILING / STRUTING
  87. 87. SHEET PILING
  88. 88. SHEET PILING - GROUND SUPPORT
  89. 89. SHEET PILING WITH HYDRAULIC JACK
  90. 90. SHEET PILING WITH VIBRO HAMMER
  91. 91. – TYP. FEATURES  CONSTRUCTION IN REVERSE ORDER  DIAPHRAGM WALLS  PLUNGE COLUMNS & BARRETTES  LONG BOOM EXCAVATORS & SMALL EXCAVATORS
  92. 92. GRABBING FOR DIAPHRAGM WALL
  93. 93. GRABBING FOR DIAPHRAGM WALL
  94. 94. PLUNGE COLUMN EXCAVATION
  95. 95. PLUNGE COLUMN EXCAVATION
  96. 96. PLUNGE COLUMN EXCAVATION
  97. 97. TOP DOWN LONG BOOM EXCAVATOR
  98. 98. TOP DOWN LONG BOOM EXCAVATOR
  99. 99. TOP DOWN LONG BOOM EXCAVATOR
  100. 100. METHOD STATEMENT FOR BOTTOM UP CONSTRUCTION
  101. 101. 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.
  102. 102. 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
  103. 103. TUNNEL STAGE 3 – EXCAVATION & STRUTS FIXING Approx. 5-6 metres 5-6 m wide deck for Dumper movement Struts Waler Beams
  104. 104. 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
  105. 105. TUNNEL STAGE 5 – EXCAVATION & LVL 2 SLAB Approx. 13-15 metres Partition Bottom Slab Wall PCC Base for Slab Grid Casting
  106. 106. 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
  107. 107. 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
  108. 108. STATION STAGE 2 – STRUTS FIXING & TOP SLAB Approx 3-4m
  109. 109. STATION Approx. 8 - 10 metres STAGE 3 – CONCOURSE SLAB
  110. 110. STATION Approx. 16 metres STAGE 4 – PLATFORM SLAB
  111. 111. STATION STAGE 5 – CONCOURSE SLAB COMPLETE Approx. 8 - 10 metres
  112. 112. STATION STAGE 6 – TOP SLAB COMPLETE
  113. 113. STATION STAGE 7 – BACK FILLING Backfi l l Concourse Concourse Pl atform Pl atform down l i ne up l i ne
  114. 114. CHALLANGES  GROUND WATER  UTILITY HANDLING  WATER LINES  ELECTRICAL LINES  TELECOMMUNICATION LINES  SEWAGE LINES  CITY DRAINS  TRAFFIC MANAGEMENT  PRODUCTION IN NIGHT  THIRD PARTY MANAGEMENT
  115. 115. 11 KV LINE SUPPORT
  116. 116. TRAFFIC DECKING
  117. 117. TRAFFIC DECKING
  118. 118. TRIAL TRENCHING
  119. 119. TRIAL TRENCHING

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