High early-strength cementitious composition
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United States of America Patent
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Feb 22, 2005
Grant Date -
Jul 10, 2003
app pub date -
Aug 14, 2002
filing date -
Nov 5, 2001
priority date (Note) -
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Abstract
A high early-strength cementitious composition comprising a hydraulic cement; and a combination admixture system wherein the combination admixture system comprises a polycarboxylate high range water reducing dispersant in combination with an accelerator and a retarder. The admixture allows for acceptable workability and development of high early-strength in cementitious compositions without the use of an external heat source.
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