Development and Production of High-Performance Concrete

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Title: Development and Production of High-Performance Concrete

Author(s): M. R. Hansen, M. L. Leming, P. Zia, and S. H. Ahmad

Publication: Special Publication

Volume: 149

Issue:

Appears on pages(s): 347-362

Keywords: admixtures; aggregates; blended cements; concrete construction; durability; fly ash; high-early-strength cements; silica fume; high-performance concrete; high-strength concretes; mix proportioning; portland cements; very early-strength concretes; Material

Date: 10/1/1994

Abstract:
The Strategic Highway Research Program (SHRP) awarded a contract to North Carolina State University (NCSU) to investigate the use of high-performance concrete (HPC) in highway pavements and bridge structures. The goals of the project were threefold. First, a number of HPC mixtures were developed for highway applications. Second, laboratory testing of the HPC mixtures was conducted. Finally, a number of field test sites were constructed and monitored. Three different classes of HPC were established for this research. These are very early-strength (VES), high-early-strength (HES), and very high-strength (VHS) concrete. Two types of VES and VHS concrete were developed. The VES mixture was developed for use primarily as a rapid repair material where time is critical and cost is a lesser concern. The HES mixture was developed for bridge deck construction where deterioration due to freezing and thawing and steel corrosion is a major problem. The HES mixture can also be used for repair where cost is important and time is a lesser concern. The VHS mixture was developed for use in bridge structures where high-long-term strength is needed rather than rapid strength gain characteristics. Paper summarizes the development of the mixture proportions for the three classes of HPC. Included in the paper are the strength and serviceability requirements for the mixtures. Recommendations are made for adapting the HPC mixtures for local conditions.