Located 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
Underground Shotcreting
Many 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.
Celebrating Mexican Soccer Past, Present, and Future
Placing shotcrete for the first-ever Mexican Soccer Hall of Fame.
You Can’t Shoot What You Can’t See
The Importance of Lighting in an Underground Environment.
Prestressed Concrete Tanks? Mundane? Or Architectural Gems?
Circular wrapped prestressed concrete tanks (WPCTs) have been built for over seven decades in the U.S.
Rankin Bridge
The Rankin Bridge is a cantilever bridge spanning the Monongahela River in Pittsburgh, PA.
Top Ten Sustainability Benefits of Shotcrete
Top Ten Sustainability Benefits of Shotcrete.
Differences and Similarities of Shotcrete Specifications
In my years of working as a shotcrete contractor in the state of Illinois, the Department of Transportation (DOT) has revised the shotcrete specification numerous times
Changing Methods of Sinking Vertical Shafts in Mining
The 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.
Changing the Traditional Shotcrete Mixture to Suit Underground Applications
Concrete mixtures used in the shotcreting process have traditionally been low-slump mixtures.