The Question of Bonding Agents and Shotcrete
Layers in New York City Overhead Tunnels
The New York City Transit (NYCT) Metropolitan Transportation Authority Capital Construction (MTACC) has several largescale projects throughout New York, including one major program: the East Side Access project.
The Durability of Shotcrete? Looking Back at Projects from 30 to 40 Years Ago
Anyone who has ever had to remove old gunite from a bridge or an overpass knows how incredibly difficult it can be to tear out.
The Outstanding Repair & Rehabilitation Project
Project Name:
Société de transport de Montréal – Metro Yellow Line Tunnel Repairs
Location:
Montréal, QC Canada
Shotcrete Contractor:
Construction Interlag Inc
Architect/Engineer:
Société de transport de Montréal
Material Supplier/Manufacturer:
King Shotcrete Solutions
General Contractor:
Construction Interlag Inc
Project Owner:
Société de transport de Montréal
Honorable Mention
The Oregon City Arch Bridge
The Oregon City Arch Bridge Rehabilitation project was officially completed on October 31, 2012, by the Wildish Standard Paving Company.
Providing Sulfate Resistance in Severe Exposure Conditions
Naturally occurring sulfates are common in soils within certain regions of the United States and Canada, especially the western United States and prairie provinces of Canada.
Variability of Compressive Strength of Shotcrete in a Tunnel-Lining Project
Recently, questions have been asked by the International Tunnelling and Underground Space Association (ITA) about what variability can be expected for compressive strength for shotcrete (sprayed concrete) in ground support projects.
Shotcreting on Frozen Ground
The Northern Boulevard Crossing (NBX) is the keystone portion of the massive multi-billion-dollar East Side Access (ESA) Programme by the Metropolitan Transit Authority Capital Construction (MTACC) to bring Long Island trains into and out of New York City’s Grand Central Terminal.
Marine Structures: Pier Projects
Marine piers are abundant in the United States and are generally made of concrete.