Repair Portal

RepairStructuralJefferson Street Bridge: The “Million Dollar Bridge” Listed on the National Register of Historic Places

Bill Fortuna

Dubbed the “million dollar bridge” by town residents, referring to the cost of building the structure in 1921, the Jefferson Street Bridge in Fairmount, WV, is a three-span reinforced concrete arch bridge that crosses the Monongahela River. Listed on the National Register of Historic Places,

RepairArchitecturalInternationalArtistic Shotcrete for a Historic Auditorium

Hans Hasler, Pietro Teichert, and Dudley R. Morgan

The Goetheanum (Fig. 1) in Dornach, near Basel, Switzerland, was constructed in the late 1920s from a design by Austrian social philosopher and œspiritual scientist Rudolf Steiner. This building represents the first use of reinforced concrete for monumental, sculptured forms.

RepairConstruction and Repair with Wet-Process Sprayed Concrete and Mortar

Chris I. Goodier and Simon A. Austin

A technical report has just been published in the UK by the Concrete Society. This new the Department of Civil and Building Engineering at Loughborough University: Simon Austin, professor of structural engineering; Peter Robins, senior lecturer; and Chris Goodier, a former research associate at Loughborough

RepairArchitecturalShotcrete Lions for Calgary’s Centre Street Bridge

Jadwiga Kroman, Dudley R. Morgan, and Lorne Simpson

The Goetheanum (Fig. 1) in Dornach, near Basel, Switzerland, was constructed in the late 1920s from a design by Austrian social philosopher and œspiritual scientist Rudolf Steiner. This building represents the first use of reinforced concrete for monumental, sculptured forms.

RepairStructuralDeterioration and Rehabilitation of Berth Faces in Tidal Zones at the Port of Saint John

Paul Gilbride, Dudley R. Morgan, and Theodore W. Bremner

The Department of Justice (DOJ) Headquarters, 951 Constitution Ave. N.W., Washington, DC, has been undergoing major rehabilitation and renovation. Work started in 2001 and continued into 2002. Gilbane Building Co. is the prime contractor on the site, but there are many subcontractors involved in restoring

RepairUndergroundThe Art of Tunnel Rehabilitation with Shotcrete

Harvey Parker, Paul Godlewski, and Roberto Guardia

The art of rehabilitation of tunnels has flourished and developed significantly over the last couple of decades. Several hundred railroad, highway, and conveyance tunnels have been successfully rehabilitated, converted, and/or enlarged. Much of this development can be attributed to the successful use of steel fiber-reinforced

RepairStructuralTieton Dam Spillway Rehabilitation

Larry Totten

Johnson Western Gunite Company rose to the challenge of rehabilitating the Tieton Dam Spillway in Yakima, WA. The spillway, built originally in 1924, was showing significant deter-ioration due to freezing and thawing, weathering, and erosion due to high-velocity water flow. The owner, the United States

RepairStructuralUnderground Parking Garage Rehabilitation Using Dry-Mix Shotcrete

Randle Emmrich

RepairShotcrete Repair in Paper Mill

Marc Ferland, Jean-Franscois Robert, and Alain Chasse

March 2002, and May 2002. Work was conducted inside process vessels in a pulp mill by the specialized lining contractor, Canadians Stebbins Engineering Ltd., and the shotcrete contractor, Béton Projeté M.A.H. Due to operational constraints and significant costs involved with downtime, the contractors™ primary goal

RepairStructuralDesigning and Installing a Shotcrete Strengthening Application on the Spokane Street Bridge

Basil Kattula and Roger Runacres

The Spokane Steet Bridge connects the community of West Seattle to downtown via Highway 99 and Interstate south of the city center. The bridge was not originally and constructed to handle is present-day usage consequently.