Effectiveness of Revibration and High-Speed Slurry Mixing for Producing High-Strength Concrete

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Title: Effectiveness of Revibration and High-Speed Slurry Mixing for Producing High-Strength Concrete

Author(s): Cameron MacInnis and Paul W. Kosteniuk

Publication: Journal Proceedings

Volume: 76

Issue: 12

Appears on pages(s): 1255-1265

Keywords: compressive strength; high strength concretes; mixing; mixing time; research; slurries; vibration (consoildation); water-cement ratio.

Date: 12/1/1979

Abstract:
Two special techiniques (high-speed slurry mixing and external revibration) were investigated in a research program designed to measure their effectiveness in increasing the compressive strength of high-strength concrete, in the range of 10,000 to 12,000 psi (70 to 84 Mpa). Revibration was found to produce significant strength increases at all water-cement ratios tested and at all test ages. The high-speed slurry mixing technique employed in this program did not produce strength increases.