9-2 large diameter pipe jacking for the mwrd by-pass tunnel project in chicago usa

8/10/2019 9-2 Large Diameter Pipe Jacking for the MWRD by-Pass Tunnel Project in Chicago USA

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CATERPILLAR TUNNELING CANADA

LARGE DIAMETER PIPE JACKING

MWRD Revive Wacker Drive By-PassTunnel Project, Chicago, IL, USA

Walter R. Trisi Area Sales Manager

Wojciech Sawicki Sales Advisor


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PROJECT INFORMATION

Name: Revive Wacker Drive, Part 2, By-Pass Tunnels

Location: Chicago, IL, USA

Owner: Metropolitan Water Reclamation District (MWRD)

of Greater ChicagoContractor: F.H. Paschen / SN Nielsen / Cabo Joint Venture


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PROJECT INFORMATION

Machine: Caterpillar RME170PJ EPB-Pipe Jacking-TBM


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PROJECT INFORMATION

Lining: Reinforced Concrete Jacking Pipe

ID: 3.6m (12 ft), OD: 4.2m (14ft), L: 2.4m (8ft)


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PROJECT INFORMATION

Drives: 1 x 163m (536 ft) + 1 x 56 m (184 ft)


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PROJECT INFORMATION

Alignment: Under the Congress Expressway and narrowlypassing over a Chicago Transit Subway tunnel


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PROJECT INFORMATION

Geology: Mixed ground conditions, Clay, Sand, silt,boulders, fill material (granite pavers),

and wood pile foundations.


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TBM SPECIFICATIONS

Type: Earth Pressure Balance Pipe Jacking

Cuttinghead: Mixed ground, interchangeable Rippers & Discs

CH Torque: 2,345 kN.m (max)

CH Speed: 6 rpm (max)

CH Power: 900 kW (1200 hp)

Propulsion: 12 x 180 tonne cylinders

Max Thrust: 2160 tonne @ 340 bar

Articulation: 12 x 115 tonne cylinders

Art. Angle: 0 to 2 degrees


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TBM CUTTING TOOLS

Caterpillar Ripper TeethFully Armored with:

Tungsten Carbide Bullets

Chromium Carbide PlateCHT 100 base metal

Backloaded Design


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TBM SPECIFICATIONS

Screw: 610 mm diameterSpeed: 20 rpm (max)

Belt: 610 mm wideSpeed: 0 100m / min


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MAIN JACKING STATION

Type: Single stage jacking cylinders, stroke: 10 ftCylinders: 10 x 115 tonne

Total Thrust: 1150 tonne @ 340 bar


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JOBSITE LAYOUT

LAUNCH SHAFT

JXN BOX 4

TURNING SHAFT

JXN BOX 3

RETRIEVAL SHAFT

JXN BOX 1


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TUNNELLING INFORMATION

TBM started to arrived on site in late January 2011, in

the middle of one of the worst winters on record for

the Chicago area.

TBM and Main Jacking Station were assembled and

ready to launch in less than one month.

First Drive (163m) started March 9th and was

completed in 7 days, on March 16

th

.


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TBM LAUNCH SEQUENCE (1)


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TBM & Jacking Station Assembly in Shaft

TBM Cutt inghead

Jacking Station


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BURYING THE TBM


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MUCKING OUT THE SCREW CONVEYOR


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WAITING FOR TAIL CAN & LEADING CAN


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PARTIAL ASSEMBLY ARCH RINGS INSTALLED


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TBM COMPLETELY ASSEMBLED


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COMPLETED FIRST TUNNEL DRIVE


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REPOSITIONING TBM AFTER 1ST DRIVE

AFTER COMPLETION OF

FIRST DRIVE THE TBM

HAD TO BE TURNED 90DEGREES AND

ADVANCED INTO TUNNEL

EYE SEAL FOR SECOND

DRIVE (MAJORITY OFGANTRY WAS LEFT IN

FIRST TUNNEL AND

UMBILICAL CABLES

WERE RUN TO THE TBM)


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TUNNELLING INFORMATION

TBM and Main Jacking station were repositioned andre-launched in approximately 10 days.

Second Drive (56m) was completed by April 1st; 5

days.

Best shift production was 5 pipes, 12m (40ft).


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COMPLETION OF SECOND DRIVE

BREAK THROUGH !


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CONCLUSION

First time mechanized tunnel project for contractorTunnels completed on time and ahead of schedule

No settlement under Congress Expressway

No damage to active Subway systemTBM operator supplied by Manufacturer (CAT)

No loss time injuries

Best shift production was 5 pipes, 12m (40ft)

Happy customer, happy owner, successful project!

THANK YOU !

9-2 large diameter pipe jacking for the mwrd by-pass tunnel project in chicago usa

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