Article

StructuralAdvancements in Train Bridge and Underpass Construction

Dan Pitts

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Salmon Arm, British Columbia, is witnessing a paradigm shift in train bridge construction with the adoption of innovative techniques such as architectural shotcrete over steel sheet piling. This method not only enhances the structural integrity and durability of the bridges but also contributes to the

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RepairUndergroundStructuralThe Rondout Bypass Tunnel Shafts – Shotcrete Lining

Paul Madsen, Bade Sozer, Thomas Hennings, & Eileen Test

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The Rondout-West Branch Tunnel (RWBT), a segment of the Delaware Aqueduct (the Aqueduct), was built from 1937 to 1944 and provides about 50% of New York City’s total water supply. The tunnel is concrete lined and has a finished inside diameter of 13.5 ft (4.1

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RepairStructuralO’Hare Plaza West Drive and Executive Garage Restoration

Joshua Freedland

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While infrastructure projects such as parking garages are often the last projects to be funded due to their utilitarian nature, they are important to the health of commercial properties since they are often the first impression for tenants and visitors. At O’Hare Plaza, the parking

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RepairStructuralThe Neville Island Bridge Project

Ted Sofis

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The Neville Island Bridge Rehabilitation project originally came out for bid in 2018. The bridge is located in Allegheny County, PA and within PennDOT’s District 11. In the bid package, it was noted that construction could not begin until a nesting pair of Peregrine Falcons

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RepairStructuralMoyie Dam Repair: Back to the Future

Mike Newcomb and Leo Waddell

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Moyie Dam at Bonner’s Ferry in northern Idaho started initial construction just before WWII. They shut down construction during the war. After the war was over, the dam went into service in the late 1950s.

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ArchitecturalStructuralRecreationalCOST of Wisconsin/Gilder Center

Martin Palicki and Jared Stanwyck

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It’s rare that a building’s design can become so immediately iconic – an attraction unto itself. Gaudi’s Sagrada Familia in Barcelona comes to mind. It is a visual feast – a sculpture that takes the shape of a building. Many architecture critics are already claiming

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StructuralInternationalRoadside Slope (Portuguese)

André Bezerra de Menezes, Juliana Borella de Menezes e Lucas Passos Santana

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A utilização do concreto projetado revelou-se de suma importância no processo de tratamento dos taludes ao longo das margens da rodovia SP 333, no interior do estado de São Paulo, Brasil. Essa aplicação concentrouse em uma extensão que abrange os quilômetros 337 a 385, que

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StructuralInternationalShotcrete as Roadside Slope Protection in Brazil

André Bezerra de Menezes, Juliana Borella de Menezes, & Lucas Passos Santana

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The use of shotcrete has proven to be of paramount importance in the treatment process of the slopes along the margins of SP 333 highway in the interior of the state of São Paulo, Brazil. This application focused on a stretch covering kilometers 337 to

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RepairUndergroundStructuralTAKING TUSCARORA INTO ANOTHER CENTURY

Kristina Smith

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The Tuscarora Mountain Tunnels in Pennsylvania have a fascinating history. The older of the two tunnels, built between 1938 and 1940, was designed to carry a railroad that never came into service. Industrialists of the day, William Henry Vanderbilt and Andrew Carnegie, were backers of

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RepairStructuralSHOTCRETE VS FIRE AND WATER REPLACEMENT OF FLUME 4/5/6 AND 30

Jason Myers

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On August 14, 2021, the Caldor Fire started in Northern California near Pollock Pines, CA. The fire ended up consuming almost 222,000 acres (90,000 hectares) and seriously threatened South Lake Tahoe. Besides the over 1000 structures that were lost, the fire also burned along a