TRANSPORTATION RESEARCH FORUM March A State-of-the-Art of Underground Construction In Urban Areas
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1 TRANSPORTATION RESEARCH FORUM March 2006 A State-of-the-Art of Underground Construction In Urban Areas Nasri Munfah PE Vice President Tunneling Practice Leader Parsons Brinckerhoff
2 Underground Construction Transit Rail Highways Water Conveyance Utilities Power Mining Special Projects
3 Construction Techniques Cut and Cover Hard Rock Tunnels Soft Ground Tunnels Tunnel Boring Machines Sequential Excavation or New Austrian Tunneling Method Box Jacking Immersed and Floating Tunnels Ground Improvement Micro Tunneling Shaft Construction
4 Initial Segment of NYC Subway Union Square, New York City, circa by Gen. William B. Parsons US Army Corps of Engineers
5 Cut and Cover LA Metro Shot Tower Station Baltimore Internal Bracing and Decking
6 Cut and Cover 63 rd Street Connection Project - NY
7 Cut and Cover Impacts Daily Life
8 Rock Tunneling Yucca Mountain Repository - Nevada
9 Rock Tunnels 63 rd Street Subway Line New York
10 Roadheaders Montreal Metro ESA Project New York
11 Soft Ground Tunnels Earth Pressure Balance TBM (EPB) Slurry TBM
12 .Earth Pressure Balance TBM Los Angles MTA Eastside Extension EPB TBM
13 .Earth Pressure Balance TBM Singapore Deep Tunnel 7.2 m
14 Singapore Deep Tunnel Seven TBMs Simultaneously 4.4 to 7.2 m Commenced Tunneling Apr 01 Completed Tunneling Dec 02 Contract T03 Tunnel Length 5150m (16900 ft) TBM Diameter 7.2m (23.7 ft) Record progress In a month 536 m or 1658 ft
15 EPB Binocular TBM Shanghai Metro
16 Slurry TBM Shanghai Highway Tunnel 13.2 m
17 Slurry TBM Cairo Metro (9.4 m)
18 Slurry TBM West and East Sides CSO Tunnel, Portland Clay Street Shaft Ankey Shaft Upshur Shaft Willamette River Nicolai Shaft Confluent Shaft Clark (Southbound) Lewis (Northbound) West Side Tunnel Present 5,500 m (18,000 ft) long Two drives 4.9 m excavated diameter 5 shafts (12 to 16 m dia) Crosses 6 major bridges East Side Tunnel Start m (29000 ft) 6.7 m diameter (22 ft)
19 Scenes from the Portland Westside CSO Project
20 Tunnel Linings State-of-the-Art in Precast Segments
21 Caldecott Highway Tunnel San Francisco New Austrian Tunneling Method
22 NATM Beacon Hill Station - Seattle Beacon Hill Station - Seattle
23 Vienna Metro Section U2/3 U2 U 1 1 Statio n Running Tunnels L = 2 x 350m Running Tunnels L = 2 x 100m
24 Pre-Support Measures Spiles Steel Sheets Grouting
25 Cavern Construction Parramatta Line - Sydney
26 Macquarie Park Station Concourse and platform caverns Platform cavern 210m L x 20m W x 18 m H
27 Cavern Construction Weehawken Station HBLRT Peachtree Station - Atlanta
28 Final Liner
29 Shaft Construction Slurry Wall Shaft Secant Piles Shaft
30 Shaft Construction Raise-Bore Segmental Shaft Boring Machine
31 Immersed Tube Tunnels Ted William Tunnel - Boston
32 Immersed Tube Tunnels Bosporus Crossing Fort Point Channel Tunnel - Boston
33 Tunnel Jacking Central Artery Under South Station - Boston
34 Ground Improvement Jet Grouting Permeation Grouting Chemical Grouting Deep Soil Mixing Freezing
35 Tunnel Systems Railroad Systems ( tracks, signals, power, communications, Control, etc ) Highway Systems (traffic control, signs, power, communications, etc ) Tunnel Ventilation / Environmental Control Systems Tunnel Fire Life Safety Tunnel Lighting and Power Drainage Control Centers Safety and Security
36 Environmental Performance Criteria Normal Operations Temperatures (summer, winter) Pressure Transients (On Board, Way Side) Air Velocities Emergency Situations Back-layering Critical Velocity People Evacuation Numerical Modeling SES, CFD, Simulex, etc.. Memorial Tunnel Fire Test Program
37 Push-Pull Ventilation Amtrak North River Tunnel Ventilation Shaft
38 Ventilation Environmental Control System Station Exhaust Platform Screen Doors
39 Design of Tunnels for Extreme Events
40 What s Next World s Largest TBM 15.2 m
41 What s Next. The Monster.
42 Multi Micro Shield (MMS) 27 m x 24 m Rectangular Tunnel
43 If You Can Dream It, You Can Build It. Battery locomotion Erector Sequence of installation
44 One Final Thought.. Technologies do not build tunnels People do! Thank You!
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