Structural Portal

RepairUndergroundStructuralODOT U.S. Highway 26 Dennis L. Edwards Tunnel Project

Larry Totten and Reg Ryan

RepairUndergroundStructuralThe Danger of Fallouts in Overhead Shooting

William Clements

The volume of shotcrete required to cover an area of only 3 ft2 (0.3 m2) with a 4 in. (100 mm) thickness would typically weigh approximately 140 lb (64 kg), a weight that?if dropped from a height of 10 ft (3 m)?would seriously endanger the

RepairUndergroundStructuralIncline Tunnel—S&S Quarries, Inc

Edwin Brady

The Incline Tunnel, S&S Quarries, Inc., is the access to an underground rock mine in Knoxville, IA, owned by Bruening Rock Products.

UndergroundStructuralInternationalShotcrete in China’s Longest Tunneling Project

Kelly Blickle

In the Guanjiao Mountains of western China, at an average altitude of 11,483 ft (3500 m), two parallel railway tunnels 21 miles (33 km) long are being constructed

UndergroundStructuralMine Visits and Safety

Mike Ballou

Many of us in the shotcrete world have had the occasion to either visit or work in underground mines.

UndergroundStructuralShotcrete as a Long-Term Solution to Power Canal Wall Stabilization

Tara Brown, Patrick Giroux, and Joe Hutter

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

UndergroundStructuralUnderground Shotcreting

George D. Yoggy

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.

ArchitecturalStructuralInternationalRecreationalCelebrating Mexican Soccer Past, Present, and Future

Kelly Blickle

Placing shotcrete for the first-ever Mexican Soccer Hall of Fame.

UndergroundStructuralYou Can’t Shoot What You Can’t See

Joe Derochie

The Importance of Lighting in an Underground Environment.

ArchitecturalStructuralPrestressed Concrete Tanks? Mundane? Or Architectural Gems?

Charles S. Hanskat

Circular wrapped prestressed concrete tanks (WPCTs) have been built for over seven decades in the U.S.