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    DZ1040 - 11 Ring - 20231010141007

    Uploaded by

    subhashkumarmandalamcivil
    The document provides details from a tunnel boring machine project in Chennai Metro Phase II. It summarizes the machine's work efficiency over 11 rings, including advance time, ring building time, and standby time totaling 762 minutes. It also includes statistics on the cutter wheel speed and torque, thrust levels, cylinder pressures and strokes, grout injection pressures and volumes, screw conveyor operations, and grease and foam usage totals.

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    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd

    DZ1040 - 11 Ring - 20231010141007

    Uploaded by

    subhashkumarmandalamcivil
    11 views4 pages
    The document provides details from a tunnel boring machine project in Chennai Metro Phase II. It summarizes the machine's work efficiency over 11 rings, including advance time, ring building time, and standby time totaling 762 minutes. It also includes statistics on the cutter wheel speed and torque, thrust levels, cylinder pressures and strokes, grout injection pressures and volumes, screw conveyor operations, and grease and foam usage totals.

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    DZ1040_11 Ring_20231010141007

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    The document provides details from a tunnel boring machine project in Chennai Metro Phase II. It summarizes the machine's work efficiency over 11 rings, including advance time, ring building time, and standby time totaling 762 minutes. It also includes statistics on the cutter wheel speed and torque, thrust levels, cylinder pressures and strokes, grout injection pressures and volumes, screw conveyor operations, and grease and foam usage totals.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    11 views4 pages

    DZ1040 - 11 Ring - 20231010141007

    Uploaded by

    subhashkumarmandalamcivil
    The document provides details from a tunnel boring machine project in Chennai Metro Phase II. It summarizes the machine's work efficiency over 11 rings, including advance time, ring building time, and standby time totaling 762 minutes. It also includes statistics on the cutter wheel speed and torque, thrust levels, cylinder pressures and strokes, grout injection pressures and volumes, screw conveyor operations, and grease and foam usage totals.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 4

    Chennai Metro Phase ||

    Project˖ DZ1040 Ring˖ 11

    Begin time˖ 9/20/2023 11:13:11 PM End time˖ 9/21/2023 11:54:07 AM Page˖ 1/4

    Work efficiency:

    Advance : 102 Min Ring Building: 367 Min Standby time: 293 Min Total : 762 Min

    Cutter Wheel: Avg Max Min


    Speed[rpm]: 1.5 1.6 0.6

    Torque[kNm]: 1507 2164 396

    Rolling[mm]: -7 2 -12

    Thrust: Avg Max Min

    Thrust[kN] : 12251 13924 905

    Speed[mm/min] : 12 17 0

    Penetration[mm/r] : 7.8 11.4 0.3

    Thrust cylinder:
    Avg(bar) Max(bar) Min(bar)

    Group A
    118 144 37
    Group B
    38 46 14
    Group C

    Group D 111 137 46

    0 Avg pressure(bar)
    400 147 158 50

    2300

    0 A B C D A B C D A B C D

    Min stroke(mm) Max stroke(mm) Accumulate stroke(mm)


    Chennai Metro Phase ||
    Project˖ DZ1040 Ring˖ 11

    Begin time˖ 9/20/2023 11:13:11 PM End time˖ 9/21/2023 11:54:07 AM Page˖ 2/4

    Articulation cylinder:
    200 200

    0 0
    A B C D A B C D
    Min stroke(mm) Max stroke(mm)
    Avg Max Min
    Contact Forcr(kN): 9315 12436 5645

    Grout Injection: AVG(bar) Max(bar) Min(bar) Vol(L/Line) Total(L)


    1 1.1 4.8 0 1900.0 4600.0

    2 0 0 0 800.0
    1# Liquid
    A 3 0.6 4.8 -0.2 500.0
    2#
    4 1.4 12.1 -0.2 1400.0
    3# 0.7 3.9 0 170.0 410.0
    1
    4# 2 0.7 2.7 0.4 60.0
    Liquid
    B 3 0.6 3.8 0.3 50.0
    0
    4 0.8 4.9 0 50.0
    Avg pressure at Ports 25
    Total(A And B) 5010.0 L

    Earth Pressure(Excavation Chamber): Avg(bar) Max(bar) Min(bar)


    1.7 2.2 1.4
    1#
    1.8 2.3 1.5
    2#
    1.9 2.4 1.6
    3#
    4# 1.9 2.3 1.6
    5# 1.7 2.3 1.2
    6#
    1.4 1.6 1.1

    0 Avg pressure(bar) 6 Total:


    Chennai Metro Phase ||
    Project˖ DZ1040 Ring˖ 11

    Begin time˖ 9/20/2023 11:13:11 PM End time˖ 9/21/2023 11:54:07 AM Page˖ 3/4

    Screw Conveyor: Avg Max Min


    Speed[rpm]: 3 4 0

    Pressure[bar]: 55 74 28
    Torque[KNm]: 14 24 0

    Front(Bar) Center(Bar) Rear(Bar)


    Earth Pressure Sensor(AVG):

    Tail skin grease:


    1 2 3 4 5 6 7 8

    Front 74 52 52 81 85 52 52 74

    Rear 85 63 63 85 75 53 47 62

    Front 522 Impluses Total Weight: 475.17 kg

    Rear 533 Impluses Total pulses: 1055 Impluses

    Foam:
    Avg pressure(bar) Max pressure(bar) Min pressure(bar) Sum air(m³)Litres Sum liquid(m³)Litres

    1 3.5 6.8 0.9 5.4 1.82

    2 3.3 6.1 0.1 5.7 1.81

    3 3.3 4.9 1.9 20.5 1.8

    4 2.6 3.5 1.5 24.7 1.8

    5 2.7 3.7 2.2 24.3 1.92

    6 2.3 3.8 0 24.6 1.91

    Foam concentrate : 110 L polymers: 0 L


    Water : 0 L Bentonite : 3.8 L
    Chennai Metro Phase ||
    Project˖ DZ1040 Ring˖ 11

    Begin time˖ 9/20/2023 11:13:11 PM End time˖ 9/21/2023 11:54:07 AM Page˖ 4/4

    Grease: EP2: HBW:


    Impluses Kg
    Outer Seal : 5316
    Impulses HBW: 1945 Impluses

    Screw Conveyor: 739 Impluses Kg 972.5


    Total Weight of HBW: Kg
    Rotary Joint : 249 Impluses Kg
    Articulation joint : 250 Impluses Kg
    Erector Bearing: 2.09 Impluses Kg
    Erector Wheel: 0 Impluses Kg

    Total Weight of EP2: 0 Kg Total Impluses of EP2: 0 Impluses

    Gas Measuring: Avg Max Min


    Methane Gad(CH4) : 0 0 0

    Hydrogen sulfide(H2S) : 0 0 0
    Carbon Monoxide(CO): 0.2 32.2 0

    Oxygen(O2): 21.7 21.9 21.6

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