Repair Portal

RepairUndergroundStructuralGeneralThe Durability of Shotcrete? Looking Back at Projects from 30 to 40 Years Ago

Ted W. Sofis

Anyone who has ever had to remove old gunite from a bridge or an overpass knows how incredibly difficult it can be to tear out.

RepairThe Oregon City Arch Bridge

Marcus H. von der Hofen

The Oregon City Arch Bridge Rehabilitation project was officially completed on October 31, 2012, by the Wildish Standard Paving Company.

RepairGeneralProviding Sulfate Resistance in Severe Exposure Conditions

Mark R. Lukkarila

Naturally occurring sulfates are common in soils within certain regions of the United States and Canada, especially the western United States and prairie provinces of Canada.

RepairUndergroundVariability of Compressive Strength of Shotcrete in a Tunnel-Lining Project

Lihe (John) Zhang

Recently, questions have been asked by the International Tunnelling and Underground Space Association (ITA) about what variability can be expected for compressive strength for shotcrete (sprayed concrete) in ground support projects.

RepairUndergroundGeneralShotcreting on Frozen Ground

Paul H. Madsen

The Northern Boulevard Crossing (NBX) is the keystone portion of the massive multi-billion-dollar East Side Access (ESA) Programme by the Metropolitan Transit Authority Capital Construction (MTACC) to bring Long Island trains into and out of New York City’s Grand Central Terminal.

RepairStructuralMarine Structures: Pier Projects

Tommy Pirkle and Randell Ogburn

Marine piers are abundant in the United States and are generally made of concrete.

RepairGeneralPointe de la Prairie Lighthouse

Patrick Giroux and Simon Reny

RepairUsing Galvanic Anodes in Shotcrete Repairs

David W. Whitmore and J. Chris Ball

In recent years, the use of embedded galvanic anodes in concrete repair has continued to increase.

RepairStructuralFort Mott State Park – Rehabilitation Phase I

Warren Cruz

Fort Mott was part of a three-fort defense system designed for the Delaware River during the post-Civil War modernization period,

RepairStructuralStructural Repair of Galveston Island Historic Pleasure Pier Cycle of Life

Hank Taylor

During the late 1950s to the mid-1950s, Galveston Island was a destination for those who came to Texas to have fun and conduct a little business.