Article

RepairUndergroundNorthern Boulevard Crossing Tunnel CQ039

Frank Townsend

Read More

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.

Article

UndergroundMaterials Handling Underground

Craig McDonald and Julian Peña Cruz

Read More

Materials and equipment handling can be challenging in any industry.

Article

UndergroundIn-Service Performance of Macrosynthetic Fiber-Reinforced Tunnel Linings

Ralf Winterberg and Axel G. Nitschke

Read More

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.

Article

UndergroundStructuralGeneralNeed to Get a Project Completed Efficiently? Employ Shotcrete!

Ray Schallom III and Randle Emmrich

Read More

The foundation work for the Baltimore Hilton Convention Center Hotel, Baltimore, MD, began in 2006.

Article

UndergroundGeneralDurability Investigation of Ultra-Rapid Strength-Gain Dry-Mix Shotcrete

Nicolas Ginouse and William Clements

Read More

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).

Article

UndergroundSewer Rehabilitation Using Shotcrete

Randle Emmrich

Read More

For more than 70 years, century-old brick, clay, and tile sewers have been rehabilitated with shotcrete.

Article

RepairUndergroundLayers in New York City Overhead Tunnels

Frank E. Townsend III

Read More

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.

Article

RepairUndergroundStructuralGeneralThe Durability of Shotcrete? Looking Back at Projects from 30 to 40 Years Ago

Ted W. Sofis

Read More

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.

Article

UndergroundInternationalCadia East Project

Stephen Duffield

Read More

The Cadia East Project is delivering what will become the largest underground mine in Australia and one of the largest underground gold mines in the world (Cadia East).

Article

UndergroundConsiderations for Underground Training

William T. Drakeley Jr.

Read More

The growing demand for increasingly complex and adaptable urban infrastructure has caused developers to turn an eye to shotcrete as the most economically viable, technically flexible, and structurally sound construction method.