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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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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: High-Performance Concrete Bridges in Washington State
Author(s): B. Khaleghi and J. Weigel
Publication: Special Publication
Appears on pages(s): 801-820
Keywords: bridge; high-performance concrete; girder; prestressed
Abstract:The durability of concrete is considered the most important factor determining the service life of bridge structures. High performance concrete with low permeability and superior mechanical properties is known to improve the durability of concrete and to extend the service life of bridge structures. Since the advent of the high performance concrete Lead States program in the early 1990’s, the Washington State Department of Transportation (WSDOT) is comfortably using high performance concrete as the preferred material in every day prestressed girders and cast-in-place deck slabs. The current use of high performance concrete in prestressed girders results in structurally efficient bridges and greater economy, while improving durability, resistance to cracking, and decreasing the effect of volume changes (due to shrinkage and creep of concrete on prestress losses and camber). HPC is capable of resisting chloride diffusion and other environmental distress that can cause significant deterioration, and costly repairs in bridge decks. High performance concretes' improved mechanical properties make it more resistant to traffic wear, less prone to cracking during construction and under service loads. A comprehensive review of benefits of using high performance concrete in WSDOT prestressed girders, spliced-girders, and concrete deck slab is presented in this paper.
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