PREVIEW | NAT 2024
on ‘What tunnels lie beneath the city?’, telling what he
has found out. The busy conference and exhibition is also offering
academic support to US institutions through two initiatives – scholarships for students; and also a program to bring professors/lectures to see how course teaching can bring more focus to underground infrastructure construction (see box panel).
TECHNICAL PROGRAM The Technical Program is focused on the following four session themes, running in parallel tracks – Case Histories; Design; Planning; and, Technology. Each will have five sub-themes, as follows:
Case Histories ● SEM/NATM Excavation Techniques ● Shaft Excavation, Tunnel Rehabilitation & Challenges ● Geotechnical and Contracting Cases ● TBM Performances and Challenges I ● TBM Performances and Challenges II
Design (Sponsored by Stantec) ● Numerical Modeling ● Tunnel Lining Design ● Challenging Design Issues ● Innovative Designs ● Design of Underground Spaces
Planning (Sponsored by Hatch) ● Project Design ● Rehabilitation, Fire Safety, & Training ● Underground Project Delivery ● Underground Project Risk ● Underground Construction and Challenges
Technology ● TBM Technology ● Digital Technology ● Construction Innovations ● Innovative Solutions ● Design Innovations
Examples of the selected papers for these Technical tracks, from different half-day sub-theme through the packed Program, include:
JUNE 24, MORNING Track: Case Histories Sub-theme: SEM/NATM Excavation Techniques ● ‘Construction Phase Services for Australian and North American SEM Tunneling’
● ‘Influence of Early Ring Closure of Center Drift on Main Tunnel Excavation under High Overburden Ground Conditions’
● ‘Chimney Hollow Reservoir Project Inlet / Outlet Tunnel Excavation and Valve Chamber Construction’
● ‘Mitchell Point Tunnel, Oregon – Design and Construction’
● ‘The Upper Hidden Basin Diversion Project Design and Construction at Terror Lake – Kodiak, Alaska’
26 | Summer 2024
● ‘Application of the Observational Method in the T-48 Tunnel Project in the Himalayas’
JUNE 24, AFTERNOON Track: Design (Sponsored by Stantec) Sub-theme: Tunnel Lining Design ● ‘Application of Post-Tensioning in TBM Tunneling: Case Study of JWPCP Effluent Outfall Tunnel Project in Los Angeles’
● ‘Durability Design of CSO Tunnels’ ● ‘Optimization of Fire Design for FRC Tunnel Segments’ ● ‘Fabrication and Installation of Americas First Post Tensioned Pre-cast Segmental Tunnel Liner’
● ‘Segmental Lining Design for the Hampton Roads Bridge- Tunnel’
● ‘Raising the Roof - Successfully Overcoming a Starter Tunnel Roof Collapse Incident at the Westerly Storage Tunnel’
JUNE 25, MORNING Track: Planning (Sponsored by Hatch) Sub-theme: Underground Project Delivery ● ‘Rehabilitation of the Rawah Ditch Tunnels’ ● ‘Anomalies of the Purple Line Extension, Section 1, Los Angeles’
● ‘Early Contractor Involvement and Observational Method Supported with Artificial Intelligence for Equitable Risk Management’
● ‘Anacostia River Tunnel System in Washington DC: Construction and Performance of One the World’s Largest CSO Reduction Infrastructures’
● ‘P3 Delivery for the I-75 Storage and Drainage Tunnel, Detroit, Michigan’
● ‘Value Engineering for the Shoreline Consolidation Sewer: An Example of Collaboration between Owner, Engineer, and Contractor’
JUNE 25, AFTERNOON Track: Technology Sub-theme: Innovative Solutions ● ‘Evolving Underground Communication and Connectivity’
● ‘XXL Pipe Jacking: Technological Aspects of Large- Diameter and Long-Distance Drives’
● ‘Multimodal Machine Learning Technologies in Tunnel Geotechnical Applications’
● ‘Alternative Delivery and Trenchless Methods used to install 60,000LF of Pipe on the Bay Park Force Main Project’
● ‘LTA 219 Project: Multiple Unique Tunneling Solutions in One Subway Package in Singapore’
The packed NAT 2024 Technical Program has so much more, over the following days.
AWARDS & NETWORKING The 2024 UCA Awards recipients will be noted at the event in the following categories: Lifetime Achievement; Muddy Boots; Outstanding Educator; Person of the Year; Young Member; Project of the Year (US$50 million -
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