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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: First Use of Lightweight High-Performance Concrete Beams in Virginia
Author(s): C. Ozyildirim, T. Cousins and J. Gomez
Publication: Special Publication
Appears on pages(s): 1-8
Keywords: development length; flexural strength; high-performance concrete; lightweight concrete; low-permeability concrete; prestressed concrete bridge beams; structural testing; transfer length
Abstract:An experimental program was planned and executed to demonstrate the feasibility of using lightweight high performance concrete (LWHPC) bridge beams and decks. The prestressed American Association of State Highway and Transportation Officials (AASHTO) beams were designed for a minimum 28-day compressive strength of 8,000 psi (55 MPa) and the deck concrete for 4,000 psi (27.6 MPa). The maximum permeability was 1500 coulombs for the beam and 2500 coulombs for the deck concrete. The density was less than 120lb/ft3 (1920 kg/m3). This program was a necessary prelude to an LWHPC demonstration bridge built over the Chickahominy River on Route 106 at the Charles City County New Kent County line in Virginia.
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