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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: Shrinkage of Virginia Transportation Concrete Mixtures
Author(s): D. W. Mokarem, R. E. Weyers, and M. M. Sprinkel
Publication: Special Publication
Appears on pages(s): 217-238
Keywords: concrete; fly ash; high strength; lightweight; microsilica; models; normal strength; shrinkage; slag
Abstract:The study included A3 – General Paving (21 MPa at 28 days), A4 – General Bridge Deck (28 MPa at 28 days), and A5 – General Prestress (35 MPa at 28 days) concrete mixtures approved by the Virginia Department of Transportation (VDOT). The study also included a lightweight, high strength concrete mixture (LTHSC) used in the prestressed beams of the Chickahominy River Bridge, and a high strength (HSC) concrete mixture used in the prestressed beams of the Pinner’s Point Bridge. For the A3, A4, and A5 portland cement concrete mixtures, the CEB 90 model appears to be the best predictor. However, there is little difference in prediction capabilities between the CEB 90, GL2000 and B3 models. For mixtures containing supplemental cementitious materials, slag and fly ash, the GL2000 model appears to be the best predictor. For the LTHSC concrete mixture, the CEB-C90 model appears to be the best early age predictor, while the Bazant B3 model appears to be the best predictor a later ages. And for the HSC concrete mixture, the Gardner/Lockman model appears to be the best predictor.
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