Repair Portal

RepairStructuralThe Setenave Dry Docks Rehabilitation

Ivan Ramalho de Almeida, Thomaz José Ripper Barbosa Cordeiro, and José Paulo Veríssimo Maia Costa

Sentenave is ageneral designation for a shipyard built in the ninty seventies at the right end of Portugal

RepairUndergroundStructuralSilica Fume in Shotcrete

John Wolsiefer, Sr., and Dudley R. Morgan

Silica fume is a highly pozzolanic mineral admixture that has been used mainly to improve concrete durability and strength and as portland cement replacement. Silica fume has been used primarily in the United States, Canada, and the Scandinavian countries, but is now finding increasing use

RepairStructuralShotcrete Repair Saves Baltimore Bridges

I. Leon Glassgold

This Shotcrete Classic was selected for reader interest. While first published 23 years ago, most of the dry-mix shotcrete technology described for repair of bridges still remains relevant today. There are a few areas where things have changed. Small line wet-mix shotcrete equipment is now

RepairStructuralArchitectural Finishes for Retaining Walls

Marcus H. von der Hofen

What kind of architectural finishes are possible with shotcrete? From the most basic natural gun finish to exotic carved sculptures, from the gray color of regular portland cement concrete to custom-colored and stained mixtures, shotcrete can take on many different types of finished appearance. Today™s

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,

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

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.

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.

RepairStructuralUnderground Parking Garage Rehabilitation Using Dry-Mix Shotcrete

Randle Emmrich

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