Article

RepairBordeaux Prison: Rehabilitation and Repair of the Perimeter Walls

Kevin Robertson and Pierre Brassard

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In 1891, the city of Montreal, QC, Canada, purchased land in Bordeaux (now the borough of Ahuntsic- Cartierville) for construction of a new prison to replacethe outdated 1820s

Article

RepairStructuralThe Pacific

Jason Myers

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The Pacific, at 2155 Webster Street in San Francisco, CA, is a concrete building with two levels below grade and nine levels above grade with a total of over 250,000 ft2 (23,000 m2) of usable space.

Article

RepairUndergroundInternationalMexico City Deep Sewer Rehabilitation with Shotcrete

Raúl Armando Bracamontes Jiménez

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Mexico City?s deep drainage system is a complex underground network composed of a series of tunnels designed to convey sewage and storm water to discharge and treatment facilities.

Article

RepairGeneralDurability of Shotcrete? Corrosion Protection

Jonathan E. Dongell

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In a prior Shotcrete magazine article, Spring 2015, ?Durability and Exposure Conditions of Cementitious Materials ? Deterioration Mechanisms,?1 the author discussed durability as it relates to the placement environment.

Article

RepairGeneralOvercoming Existing Corrosion When Using Shotcrete for Repair

Rachel Stiffler

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For over 100 years, shotcrete has been used in a variety of new construction applications, but one of its major uses is in repair, rehabilitation, and repurposing.

Article

RepairUndergroundGeneralAiming for Extended Service Life with Migrating Corrosion Inhibitors

Ray Schallom III, Jessi Meyer, and Julie Holmquist

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Corrosion of embedded steel reinforcement is a threat to all types of reinforced concrete, leading to cracking, spalling, and a shortened service life of thestructure.

Article

RepairBridge and Highway Repairs Using Shotcrete and Cathodic Protection

Dennis Bittner and Erik Bertrand

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It was once believed that microsilica-enhanced shotcretes could not be used with cathodic protection.

Article

RepairField Guide to Concrete Repair Application Procedures

ACI RAP Bulletin 8

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In th e last 20 years there has been an increase in the need for concrete rehabilitation.

Article

RepairUndergroundEast Side Access Project

Frank E. Townsend III

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In May 2014, Superior Gunite was issued a subcontract by the Michels Corporation to shoot approximately 2000 yd3 (1500 m3) of shotcrete for overbreak build back on the arches of the East Side Access Project?

Article

RepairStructuralRailroad Working Safety

Ted W. Sofis

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Shotcrete, over the years, has had a long common history with the North American railroads.