UndergroundNorthern Boulevard Crossing Tunnel CQ039
Frank E. Townsend III
Read MoreThe Northern Boulevard Crossing tunnel is a crucial link for the East Side Access Program inking Long Island Rail Road trains to Grand Central Station, New York City.
RepairUndergroundSociété de transport de Montréal—Metro Yellow Line Tunnel Repairs
Kevin Robertson, Patrick Giguere, and Ntam Nda-Ngye
Read MoreThe Montreal Metro is an underground metro system and the main form of public transportation in the city of Montreal, QC, Canada.
RepairUndergroundStructuralThe Plaza Substation and Queens Structures
Frank E. Townsend III
Read MoreThe Plaza Substation and Queens Structures provide structural and architectural rehabilitation to existing facilities along the existing 63rd St Station and will tie in from Long Island to the East Side Access project
RepairUnderground55th Street Ventilation Facility
Frank E. Townsend III and Dennis Rubi
Read MoreThe 55th Street Ventilation Facility is a critical piece of the Eastside Access Program for the New York Mass Transit Authority.
UndergroundEnhancement of Shotcrete Performance with a Pozzolanic- Based Rheology Control Agent
Ezgi Yurdakul and Klaus-Alexander Rieder
Read MoreIn underground applications such as mining and tunneling, shotcrete is widely used for structural support of permanent openings, linings, and rock stabilization.
UndergroundACI Nozzleman Certification and Underground Robotics
Chris Zynda
Read MoreI have been in the shotcrete industry for over 50 years. It all started with shoveling sand behind a gunite (dry-mix) machine and then moving on to foreman, superintendent, and ultimately owner of a shotcrete contracting firm.
UndergroundGeneralConfined Space? In the Shotcrete World
Mike Munyon and Frank E. Townsend III
Read MoreIn life, learning from practical experiences often requires learning from our misunderstandings and mistakes.
UndergroundNondestructive Approach for Shotcrete Lining Strength Monitoring
Vishwajeet Ahuja and Benoit Jones
Read MoreShotcrete lining forms an integral part of conventional tunneling and is widely applied for underground excavations. Early strength gain of the shotcrete is a crucial aspect for ground support and safety of operatives.
RepairUndergroundEast End Crossing
Marcus H. von der Hofen
Read MoreThe East End Crossing project, currently under construction by WVB East End Partners, will connect the east end of Louisville, KY, near Prospect, KY, to southern Indiana, nearUtica, IN.
UndergroundStructuralPreparing for Vancouver’s Growing Neighborhoods – The New Mount Pleasant Hydroelectric Substation
Brian MacNeil
Read MoreWithin the ever-evolving construction industry, better products and building practices are making it easier than ever to tackle some projects once deemed impossible.