Repair Portal

RepairArchitecturalStructuralThe Oregon City Bridge (Part I)

Marcus H. von der Hofen

The Oregon City Bridge, which spans the Willamette River between Oregon City and West Linn, OR, served the community for nearly a century before recently getting a major overhaul.

RepairUndergroundAccelerator Dosing Pump Calibration and Verification

Lihe (John) Zhang

Accelerators are widely used for underground shotcrete applications.

RepairUndergroundStructuralShotcrete Nozzleman Basics? Vertical Wall Construction

Oscar Duckworth

Why Specific Techniques at the Footing to Wall Joint Are Essential to Product Quality

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.

RepairStructuralBlaine Hill Viaduct Bridge? Route 40 Ohio Department of Transportation 248-10

Jason Pinney

Located in Belmont County, OH, the Blaine Hill Viaduct Bridge was constructed in 1933. It is on U.S. Route 40 between St. Clairsville and Bridgeport, OH

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.

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

RepairTop Ten Sustainability Benefits of Shotcrete

Top 10 Sustainability #5

Top Ten Sustainability Benefits of Shotcrete

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.