North America - Page 3

Stay up to date with the latest North America updates from the global tunnels industry

ICUEE 2019 27 September, 2019 Held every two years, the International Construction and Utility Equipment Exposition is the utility industry’s largest show with more than 850 exhibitors

Momentum 27 September, 2019 The City of Los Angeles has seen several milestones this summer for its Purple Line extension, Nicole Robinson reports on the progress for each phase

Slurry TBMs 27 September, 2019 Slurry TBMS are considered “SOFT ground” tunnel boring machines (along with earth pressure balance TBMs), which use pressurised slurry in the excavation chamber to balance the groundwater and soil pressure.

Stay connected 27 September, 2019 Guido Perez Manfredini, regional commercial manager, MST Global, discusses unified communication and data networking for tunnels

Northern exposure 27 September, 2019 A round-up of tunnel work in the Nordic Forum

Horizontal Directional Drilling (HDD) 07 June, 2019 Includes: Q&A with Ali Asadi (M.Eng Candidate from Concordia University’s Department of Building, Civil and Environmental Engineering)

Conditions of contract 06 June, 2019 Alex Conacher reports on the Emerald Book, published at WTC 2019

A step forward for fresh air 06 June, 2019 Fathi Tarada, managing director of Mosen Ltd, reviews a new emissions guidance report issued by the World Road Association

Restoration 06 June, 2019 Matthew Hubel, Schemmer Associates, discusses restoration for the City of Omaha’s Missouri River Water Resource Recovery Facility

In the clear 06 June, 2019 Tunnelling below St. Louis will improve wastewater capacity and alleviate overflows, Desiree Willis, technical writer for Robbins, reports

Subsurface storage system 06 June, 2019 Underground construction in Montreal is helping the city meet increasing transit system demand. Jean Habimana, Hatch, discusses the Garage Cote Vertu project

Head to the lake 29 April, 2019 Construction started this year on the City of Toronto’s Ashbridges Bay Treatment Plant Outfall at Lake Ontario. Andre Solecki, Riley McMillan and Kai Fung, of Hatch, and Justyna Kempa-Teper with the City of Toronto discuss the design challenges for the project.

Corridor Connections 08 March, 2019 Federal, state and other agencies are working to bring super conducting maglev technology to the United States with an initial rail line between D.C. and Baltimore. Nicole Robinson looks at what the projects entails and what the tunnelling industry can expect

Sequential excavation method tunnelling 20 December, 2018 Sequential excavation method (sem) is a type of tunnel design and construction that started to gain popularity in the 1960s and 1970s. The essential component of the SEM approach is to take advantage of the natural capacity and strength of surrounding geology to support the tunnel with minimum cost and time required.

UCT 2018 20 December, 2018 T&T’s guide to UCT and highlights from the technical sessions

TAC Awards 2018 20 December, 2018 From rising stars to nationally acclaimed projects, the Tunnelling Association of Canada (TAC) presents its annual awards each fall to recognize the deserving individuals and engineering accomplishments in the Canadian tunnelling sector. The 2018 awards were presented on November 8 in Edmonton.

Time to travel 20 December, 2018 Bauma, the largest trade fair in the world, opens its doors in April 2019 in Germany. This year it will feature Canada as the partner country. Event organizers Messe Munchen and VDMA invite readers to attend the show

Take initiative 01 November, 2018 Lindsey Gauthier, research assistant, and Lana Gutwin, research coordinator, both of CETT, outline the work and research of the consortium, which is part of the University of Alberta

Getting clearance 01 November, 2018 Navigating existing infrastructure above and below ground, Dragados/ Tomlinson has completed the first of two drives for a new stormwater storage system in Ottawa. Nicole Robinson reports

Advanced Tunnel modelling 05 September, 2018 Ioannis Vazaios of Queens University and Nicholas Vlachopoulos of the Royal Military College of Canada discuss the modelling of diverse tunnelling conditions and integration of the appropriate numerical modelling technique into the design process

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