North American Tunneling 2018 Proceedings.

Cover -- Copyright -- Contents -- Preface -- TRACK 1: TECHNOLOGY -- Session 1: Project Controls -- 5D BIM Applied to Cost Estimating, Scheduling, and Project Controlin Underground Projects -- Analysis of Concrete-Lined Tunnels Crossing Active Faults -- Atmospheric Cutting Tools Replacement in EPB TBM "Bertha": Innovative Approach for Face Pressure Tunneling -- Logistics and Performance of a Large-Diameter Crossover TBM for the Akron Ohio Canal Interceptor Tunnel -- Job-Site Security Risk Management Beyond Gates, Guards, and Guns -- Session 2: Innovation -- A Preliminary Investigation for Characterization and Modeling of Structurally Controlled Underground Limestone Mines by Integrating Laser Scanning with Discrete Element Modeling -- Study of the Correlation Between RMR and TBM Downtimes -- Cross Passage Construction: Mechanized Solutions and Fields of Application -- Communications, Tracking, Vehicle Telemetry, and Proximity Solutions -- Underground Communication Innovations -- SCMAGLEV Project-Fast and Innovative Mode of Transportation in the Northeast Corridor -- Session 3: TBM Technology 1 -- Downtime Data Collection, Analysis, and Utilization on Blacklick Creek Sanitary Interceptor Sewer Tunneling Project in Columbus, OH -- EPB TBM Performance Prediction on the University Link U230 Project -- Interpretation of EPB TBM Graphical Data -- TBM Procurement-Owner's Dilemma -- TBM Tool Wear Analysis for Cutterhead Configuration and Resource Planning in Glacial Geology -- The EPB Chamber Air Bubble: What Causes It? -- Session 4: TBM Technology 2 -- Digitization in Mechanized Tunnelling Technology -- Incorporating Geological and Geotechnical Spatial Variability into TBM and Ground Settlement Risk Assessment -- Interpretation of Tunneling-Induced Ground Movement.

Pre-Conditioning of Hard Rocks as Means of Increasing the Performance of Disc Cutters for Tunneling and Shaft Construction -- The Karlsruhe Monster-Highly Flexible Steel Formwork, Operated Under Hyperbaric Conditions: Design and Application of a High-Tech Formwork in a Tapered Tunnel Section -- Instrumentation Design Framework for Large-Diameter Tunneling Projects -- Session 5: Fresh Approach -- Hands-on Training and Technology Transfer in Tunneling -- High-Precision Pilot Hole Drilling Utilizing Real-Time Optical Guidance and Verification Techniques -- Innovative Concrete for Aggressive Ground in Qatar -- In-Depth Inspection of a Century-Old San Francisco Water Tunnel -- Steel Shaft Liner Plate Segments -- Teck BRE Raw Coal Conveyor Tunnel Rehabilitation -- TRACK 2: DESIGN -- Session 1: Resiliency -- In-Situ Fire Test for the Design of Passive Protection for the Lafontaine Tunnel -- Preliminary Assessment-Rehabilitation and Expansion of the Central City Tunnel System in Minneapolis, MN -- Recent Passive Fire Protection Strategies for US Highway Tunnels -- The Use of Numerical Analysis in Rehabilitation of Baltimore's Howard Street Tunnel -- Evaluation of a Segmental Tunnel Lining Response to a Strike Slip Fault Rupture -- Session 2: Sequential Excavation Methods -- Design and Construction Challenges in Urban Settings for the NATM Tunnels' Line 2 of the Riyadh Metro -- Downtown Bellevue Tunnel-Analysis and Design of SEM Optimization -- Elasto-Plastic Design of Fiber-Reinforced Concrete Tunnel Linings -- Ground-Liner Interaction During Seattle Northgate Link Cross-Passage Construction -- Design and Construction of the Downtown Bellevue Tunnel -- The Influence of Material Models for the Effective Design of the Primary Lining -- Shallow Cover SEM Tunneling for the Purple Line Project -- Session 3: Rock Tunneling.

Design and Construction of South Hartford Conveyance and Storage Tunnel -- Approach to Characterizing BIM Rocks for Tunnel Design Using As-Built Tunnel Data -- High In Situ Stress and Its Effects in Tunnel Design: An Update Based on Recent Project Experience from West Connex M4 Eastand New M5 Tunnels, Sydney, Australia -- Design and Construction Considerations for Atwater Water Intake and Conveyance Tunnel in Montreal -- Final Design of the River Des Peres Tunnel in St. Louis -- Successful Implementation of "SEM-Single Shell Lining Concept" for the Emergency Tunnel at the Brenner Base Tunnel Project-Theory and Praxis of an Innovative Shotcrete Model -- Session 4: Challenging Design Issues -- Design and Monitoring of an Effective Deep Excavation Cut-off -- A New Approach to Hydraulics in Baffle Drop Shafts to Address Dry and Wet Weather Flow in Combined Sewer Tunnels -- Challenges of Design and Construction of Slurry Walls in a Congested Site -- Support of Excavation Structural Challenges and Steel Design for the Crenshaw/LAX Transit Project -- Tunnel Ventilation Systems Harmonization for Optimization of Tunnel Construction -- Vibration Study on California High-Speed Rail Tunnels Based on Earthquake Data and Numerical Analysis -- Tunnel Cross Passage Seismic Analysis Considering 3D Wave Propagation -- Session 5: Precast Concrete Tunnel Linings -- Design of the San Francisco Public Utilities Commission's Channel Tunnel -- Designing a Bored Tunnel for the Unthinkable-A Marine Vessel Collision Assessment -- Designing Reinforcement for Precast Concrete Tunnel Lining Segments -- Evolution and Challenges of Segmental Liner Design and Construction for SR 99 Tunnel -- Guide for Optimized Design of Tunnel Segmental Ring Geometry -- Steel Fiber Reinforced Concrete (SFRC) for TBM Tunnel Segmental Lining-Case Histories in the Middle East -- TRACK 3: PLANNING.

Session 1: Risk Management Challenges and Solutions -- CEVP-RIAAT Process-Application of an Integrated Cost and Schedule Analysis -- Freezing of Glacial Soils for Cross Passage Construction in North America and Europe-A Comparison -- Unique Design and Construction Challenges for Near-Surface Large‑Span Transit Station Caverns in Rock -- Bergen Point WWTP Outfall Tunnel Shafts-Risk-Mitigated Design for Excavation Support -- BART Silicon Valley (BSV) Phase II, Tunneling Methodology-Comparative Analysis Independent Risk Assessment -- Session 2: Project Delivery-Water and Wastewater -- DigIndy Tunnel System: Pleasant Run Deep Tunnel Optimization -- Planning, Design, and Construction of CSO Pumping Station Structures -- Emerging Demand for Subsea Tunnels in Chile -- Implementing Major CSO Solutions via Deep Rock Tunneling: Louisville Ohio River Tunnel (ORT) -- Narragansett Bay Commission Phase III CSO Abatement Program-Pawtucket Tunnel -- Ship Canal Water Quality Project: Meeting Federal Requirements -- The Coxwell Bypass Tunnel, Cleaning up Toronto's Waterfront -- Session 3: Geotechnical, Environmental, and Sustainability -- Assessing Resilience Impacts from Integrated Above‑ and Below‑Ground Urban Infrastructure -- Design, Construction, and Risk Management Strategies for Shallow Tunnels in Urban Settings -- Small-Diameter TBM Tunneling: Risk Management Approach to FaceGeological Uncertainties -- Rehabilitation of Tunnels: An Owner's Perspective -- Sewer Tunnel Beneath Meramec River to Fulfill Regional St. Louis Treatment Plan and Environmental Vision -- Sustainable Infrastructure Tunneling: Construction Materials Considerations from the Early Project Stage -- Project Plans for the California WaterFix Tunnels -- Session 4: Project Delivery-Transit and Highways -- The Future of Transit Tunneling in Washington, D.C.

Subsurface Investigations, Design, and Construction Considerations for the Montreal Transportation Agency Côte-Vertu Underground Storage and Maintenance Garage -- Windsor-Detroit Tunnel: Application of State-of-the-Practice Maintenance and Safety Standards -- Consideration of Single Bore as a Construction Option for VTA's BART Silicon Valley Phase II Extension Project -- The Scarborough Subway Extension (SSE)-Large Single-Bore Transit Tunneling in Toronto -- The Next Big Tunnel Under Downtown Seattle -- Crossing the Chesapeake Bay 21st Century Style: The Parallel Thimble Shoal Bored Tunnel -- Session 5: Planning for Success: Risk Management and Contracting Strategies -- The Risks Associated with TBM Procurement and the Next Steps Towards Industry Change -- Alternative Delivery Drives Alternative Risk Allocation Methods -- Construction Cost Estimating Using Risk-Based Approach -- Procurement of and Contracting for Underground Construction Projects in North America -- Current Trends in Procurement Delivery of Major Tunnel Projects -- Fort Wayne Utilities Three Rivers Protection and Overflow Reduction Tunnel-Project Bidding Successes and Lessons Learned -- Interlake Tunnel-A Future Design-Build Project -- TRACK 4: CASE HISTORIES -- Session 1: Sewer/Water 1 -- A Case Study of Risk Mitigation Measures on the West End Trunk Line Microtunnel -- High-Capacity Hoisting at Rondout West Branch Tunnel Project -- Boring Hard, Abrasive Gneiss with a Main Beam TBM at the Atlanta Water Supply Program -- World's Largest Tunnel Gates and Reservoir Connection Go Online as Part of Chicago's Tunnel and Reservoir Plan (TARP) -- Establishing Access into Chicago's Main Stream Tunnel Under Live CSO Flow -- Session 2: Transportation 1 -- After the Tunnel Drive, Finishing the Highway to Replace SR 99 Below Seattle -- Cross Passage Freezing from the Ground Surface.

Lessons Learned in Dry Ground Excavation Using an EPBM.

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