Repair Portal

RepairUndergroundStructuralCanada Line Cut and Cover Tunnel Shotcrete Shoring

Roger W. Abbott

Driving north from the Fraser River on the 4.3 mi (7 km) corridor of Cambie Street, a main artery into downtown Vancouver, one is oblivious to the fact that up to 72 ft (22 m) below the surface is one of the largest shotcrete shoring

RepairArchitecturalStructuralAbraham Lincoln Memorial Bridge

Outstanding Infrastructure Project

The Abraham Lincoln Memorial Bridge, located in LaSalle, IL, is the longest bridge in the state, with a total length of 7122 ft (2170 m) and supported by 86 piers, 43 in each direction.

RepairStructuralWestview Tower Underside Roof Slab Concrete Repairs

R. Curtis White Jr.

The Westview Tower Apartment complex is a 34-year-old, 13-story cast-in-place concrete structure in Knoxville, TN.

RepairUndergroundStructuralInternationalThe Evolution of Rock Support in One Old Mine in Mexico

Raul Bracamontes

An old mine located in Queretaro State, about a 2-hour drive from Mexico City, now uses wet-mix shotcrete as an integral part of its ground control system.

RepairField Guide to Concrete Repair Application Procedures

ACI RAP Bulletin 12

Concrete Repair by Shotcrete Application

RepairStructuralWabush Wharf Rehabilitation

Marc Ferland and Philip Sawoszczuk

RepairArchitecturalStructuralThe Howard A. Hanson Dam

Marcus H. von der Hofen

The Howard A. Hanson Dam, located in the foothills of the Cascade Mountain Range, is one of many in the state of Washington.

RepairArchitecturalStructuralThe Dan Ryan Expressway

2009 Outstanding Infrastructure Project

The Dan Ryan Expressway runs from the Circle Interchange of downtown Chicago through the south side of the city and totals 11.5 mi (5.22 km).

RepairArchitecturalStructuralSeismic Retrofit to the University of Memphis? Cecil C. Humphreys School of Law

2009 Outstanding Repair & Rehabilitation Project

In January of 2006, the University of Memphis officially announced that it was moving the Cecil C. Humphreys School of Law to the historic building that housed the Memphis Customs House, the Federal Court House, and the Post Office.

RepairUndergroundStructuralThe Heartland Corridor Clearance Improvement Project: Vaughan, Roderfield, Laurel, and Gordon Tunnels

2009 Outstanding Underground Project

As part of a 3-year project, Norfolk Southern Railway, which operates 21,500 mi (34,600 km) of track in 22 eastern states, is expanding 28 tunnels along the Heartland Corridor,