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Production of Guideway Beams for the Vancouver ALRT

by Paul A. R. Lowe, Canfarge Ltd, Supercrete Div, Vancouver, BC, Canada,



Document Type: Proceeding Paper

Part of: Automated People Movers: Engineering and Management in Major Activity Centers

Abstract:

This paper describes the planning, layout and design of a large scale precast plant and innovations in production technology for the fabrication and delivery of 1040 tangent and curved, trapezoidal, precast/prestressed concrete guideway beams for the Vancouver Advanced Light Rapid Transit (ALRT) Project. The guideway employs a structural design concept in which fullspan beams are cast with the cross section continuously following the vertical and horizontal curvature and variable super-elevation of the track profile. For the first time in North America, the precast plant utilizes two stationary concrete pumps and a slick-line distribution system with three fully automated travelling concrete boom placers. The design of the complex curved forms is described.

Subject Headings: Rail transportation | Precast concrete | Guideways | Concrete beams | Beams | Rapid transit systems | Pumping stations | Vancouver | British Columbia | Canada | North America

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