Repair Portal

RepairHow Carl Akeley Saved Christmas

Cathy Burkert

For more than 50 years, the trees along Chicago?s North Michigan Avenue have been illuminated to signal the official kick-off of the holiday season and encourage everyone to join in the spirit and enjoy a host of festive experiences along Chicago?s Magnificent Mile.

RepairUndergroundStructuralSoudan Mine Shaft Rehabilitation

Shane McFadden

The Soudan Mine is a historic taconite and iron ore mine in Northeastern Minnesota.

RepairUndergroundStructuralShotcrete Work in Confined Space Area

Ted W. Sofis

Shotcrete work, by its very nature, provides an excellent method of installing concrete materials in storage bins, hoppers, culverts, inlets, vaults, tanks, and other areas, where it is difficult to transport and efficiently install materials by conventional casting methods.

RepairArchitecturalStructuralMeadow Brook Hall Historic Bridge Restoration

Jessica S. Farley

Meadow Brook Hall was built in the early twentieth century from the successes of automobile mogul John Dodge, his widow Matilda Dodge, and Matilda?s second husband Alfred Wilson.

RepairStructuralSurface Preparation for Shotcrete Repair

Simon Reny

When placing shotcrete in a concrete repair application, one cannot overstate the impor tance of the bond between the shot crete and the concrete substrate.

RepairArchitecturalStructuralThe Oregon City Bridge, Part II

Marcus H. von der Hofen

This is the second of two articles discussing the Oregon City Bridge. The first article, ?The Oregon City Bridge, Part I,? was published in the Fall 2012 issue of Shotcrete and discussed the historical background of the bridge. This article covers the recently completed rehabilitation

RepairUndergroundStructuralUnderground Shotcrete Roof Repair of Hanging Lake Tunnel

Warren Harrison

During a Federal Highway Administration annual safety inspection in March 2007, a crack was found in the flat roof portion of the cut and cover section of the Hanging Lake Tunnels along Interstate 70 in Glenwood Springs, CO.

RepairStructuralThe Use of Shotcrete as a Repair Process for Ontario Bridge Structures

Joe Hutter and Mahaish Singh

For the past 25 years, King Packaged Materials Company has worked closely with the technical personnel at the Ministry of Transportation of Ontario (MTO) to assist in the development of the shotcrete specifications currently used by MTO

RepairStructuralInternationalThe Rehabilitation of the Île d’Orléans Bridge

Philip Sawoszczuk and Daniel Bordeleau

RepairStructuralThe Morris Street Bridge Rehabilitation

Dave Sawyer

In 2009, the Indiana Department of Transportation (INDOT) and the city of Indianapolis began planning for the rehabilitation of the Morris Street Bridge, one of the oldest in the city.