UndergroundStructuralMine Visits and Safety
Mike Ballou
Read MoreMany of us in the shotcrete world have had the occasion to either visit or work in underground mines.
UndergroundEquipment Selection – The Key to a Successful Soil Nailing Project
Craig McDonald
Read MoreThere are many things to consider when selecting the appropriate equipment for a soil nailing project.
UndergroundStructuralShotcrete as a Long-Term Solution to Power Canal Wall Stabilization
Tara Brown, Patrick Giroux, and Joe Hutter
Read MoreLocated in central Ontario?s cottage country and founded in 1914, the Peterborough Utilities Commission (PUC) operates as a not-for-profit organization providing safe and reliable supplies of electricity and water to the city of Peterborough, ON, Canada
UndergroundStructuralUnderground Shotcreting
George D. Yoggy
Read MoreMany tunnels and mines constructed throughout North America in the last 20 years have successfully used shotcrete as a major element of support during excavation and as part of the lining system.
UndergroundStructuralYou Can’t Shoot What You Can’t See
Joe Derochie
Read MoreThe Importance of Lighting in an Underground Environment.
RepairUndergroundStructuralChanging Methods of Sinking Vertical Shafts in Mining
Natasha Odendaal
Read MoreThe way the mining industry and contractors work with vertical shafts is changing through the introduction of technologies such as Murray & Roberts (M&R) Cementation?s advanced shaft-lining technology.
PoolUndergroundThe Elevated Gam
George Yoggy
Read MoreMaterials scientist and concrete expert George Yoggy has studied the shotcrete and gunite processes for more than 50 years, focusing not only on tunnel and mine construction, but also turning his eye toward watershapes.
RepairUndergroundThird-Rail Safety
Ray Schallom III
Read MoreThere are a few things you should be aware of when working around the third rail of an electric-powered passenger train.
RepairUndergroundStructuralChanging the Traditional Shotcrete Mixture to Suit Underground Applications
Dan Millette
Read MoreConcrete mixtures used in the shotcreting process have traditionally been low-slump mixtures.
RepairUndergroundStructuralLiberty Tunnels Phase 2
Dennis Bittner
Read MoreThe Liberty Tunnels were opened in January 1924.