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

SafetyRepairStructuralRailroad Working Safety

Ted W. Sofis

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

Article

RepairUndergroundSociété de transport de Montréal—Metro Yellow Line Tunnel Repairs

Kevin Robertson, Patrick Giguere, and Ntam Nda-Ngye

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The Montreal Metro is an underground metro system and the main form of public transportation in the city of Montreal, QC, Canada.

Article

RepairUndergroundStructuralThe Plaza Substation and Queens Structures

Frank E. Townsend III

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The Plaza Substation and Queens Structures provide structural and architectural rehabilitation to existing facilities along the existing 63rd St Station and will tie in from Long Island to the East Side Access project

Article

RepairUnderground55th Street Ventilation Facility

Frank E. Townsend III and Dennis Rubi

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The 55th Street Ventilation Facility is a critical piece of the Eastside Access Program for the New York Mass Transit Authority.

Article

RepairUndergroundEast End Crossing

Marcus H. von der Hofen

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The East End Crossing project, currently under construction by WVB East End Partners, will connect the east end of Louisville, KY, near Prospect, KY, to southern Indiana, nearUtica, IN.

Article

RepairStructuralGeneralThe Need for Shotcrete Provisions for State DOTs

Dennis Bittner

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Many State Departments of Transportation (DOTs) have tried shotcrete in the past and had a negative experience.

Article

RepairStructuralMcCormick Dam & Power Station: Submerged Concrete Repairs

Roger Côté, Harold Ferland, and Kevin Robertson

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The McCormick Dam and power station was built in 1952 on the Manicouagan River by the Quebec and Ontario Paper Company and the Canadian British Aluminium Company.

Article

RepairThe 606-Bloomingdale Trail | Viaduct Repairs

Kevin Doyle

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Located on the northwest side of Chicago, IL, the abandoned railway known as the Bloomingdale Line, originally constructed in 1873, runs east and west through four dense neighborhoods including Bucktown, Logan Square, Wicker Park, and Humboldt Park