The Liberty Tunnel provides a direct commuting route from the South Hills suburbs to downtown Pittsburgh, PA.
Robinson Creek Tunnel Fire
On the eve of Saturday, April 26, 2014, an arson fire engulfed a CSX Transportation railroad tunnel near Robinson Creek, KY, cutting off service to two active coal mines in the area.
Northern Boulevard Crossing Tunnel CQ039
The Northern Boulevard Crossing tunnel is a crucial link for the East Side Access Program linking Long Island Rail Road trains to Grand Central Station, New York City.
Materials Handling Underground
Materials and equipment handling can be challenging in any industry.
In-Service Performance of Macrosynthetic Fiber-Reinforced Tunnel Linings
This article introduces macrosynthetic fiberreinforced concrete (MSFRC) and shotcrete (MSFRS) for tunnel linings and provides an overview of state-of-the-art design and testing methodologies that currently exist.
Need to Get a Project Completed Efficiently? Employ Shotcrete!
The foundation work for the Baltimore Hilton Convention Center Hotel, Baltimore, MD, began in 2006.
Durability Investigation of Ultra-Rapid Strength-Gain Dry-Mix Shotcrete
It has already been shown that rapid strengthgain dry-mix shotcrete using calcium sulfoaluminate (CSA) cement and providing about 2900 psi (20 MPa) after only 2 hours can be effectively produced and placed in mining applications (Reny and Clements 2013).
Sewer Rehabilitation Using Shotcrete
For more than 70 years, century-old brick, clay, and tile sewers have been rehabilitated with 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.