Structural Portal

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.

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

Larry Totten and Reg Ryan

RepairStructuralInternationalPortage Bridge 2010 Structure Rehabilitation

Kevin Robertson

The Portage Bridge is a busy six-lane interprovincial road crossing the Ottawa River, joining downtown Ottawa, ON, Canada, to Gatineau, QC, Canada.

RepairStructuralShotcrete Saves the Day? Restoring a Crumbling Rock Face

Mark K. Seel

An exposed section of bedrock that supports a playground adjacent to a city school was in desperate need of intervention.

ArchitecturalStructuralSoleri Bridge and Plaza

Donna Isaac and Laurel Mellett

Fisher Shotcrete, Inc., is very excited to receive the 2011 ASA Outstanding Architecture Project Award for the Soleri Bridge and Plaza project.

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

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

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

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.