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.
Pedestrian Tunnel at Billy Bishop Toronto City Airport
In early 2012, construction began on an underwater pedestrian tunnel that will link Billy Bishop Toronto City Airport to the mainland in Toronto, ON, Canada.
Ultra Rapid Strength Development in Dry-Mix Shotcrete for Ultra Rapid Support in Challenging Mining Conditions
Recent developments in the field of cementing materials have brought forward many nontraditional binder systems.
EFNARC Nozzleman Certification Scheme
EFNARC was an acronym for European Federation of National Associations Representing producers and applicators of specialist building products for Concrete,? which was founded by the European concrete industry in 1989.
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.
Fallouts Can Be Deadly!
Many years ago, when the use of shotcrete in an underground support system was not as popular as it is today, I witnessed a mine foreman walk into an underground opening to admire the job his shotcrete crew had done placing shotcrete only an hour or two earlier.
The Use of Shotcrete for Construction of Backfill Barricades in Mining Environments
As we all know, the mining process is essentially the excavation and extraction of rock, ore, gems, or other minerals from the earth?s surface.
Briardale Gardens
With a population of over 8.17 million people, the city of London, England, continues to grow.
Hagerbach Underground Test Gallery
A world-class facility, the Hagerbach underground test gallery is located in Flums, Switzerland.