The Search for HPC (Available in Structural Engineering Special Issue only)

by Vladimir Novokshchenov, P.E., Consultant; Concrete Clinic Int., Gibsonia, PA and Las Vegas, NV,

Serial Information: Civil Engineering—ASCE, 1998, Vol. 68, Issue 8, Pg. 2A-4A,8A

Document Type: Feature article

Abstract: High-performance concrete (HPC) is often overlooked by engineers because its properties are not well documented. Concrete Clinic International conducted a study to learn more about the factors that influence concrete strength in the range of 100 to 150 MPa. Variables that were evaluated included type and amount of ingredients, ratio of water to cement+silica fume, mixing temperature and test specimens. Some 1,500 test specimens representing more than 210 mixtures were prepared and tested according to ASTM standard procedures. Materials used in the study were Portland cement, mineral admixtures, chemical admixtures and aggregates. The data produced by the study can be used to develop codes and project specifications.

Subject Headings: Aggregates | Concrete admixtures | Concrete tests | High-strength concrete |

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