Concrete composition for overlay method and hardened product therefrom
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United States of America Patent
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Apr 16, 2002
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N/A
app pub date -
Dec 28, 1999
filing date -
Apr 28, 1998
priority date (Note) -
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Abstract
The invention provides a concrete composition used in an overlay method of construction which is used for improving a deteriorated paved surface and/or a paved layer, the concrete composition comprising a cement, a shrink-reducing agent, an expanding agent, a high performance AE water-reducing agent and an AE agent, wherein the cement is a normal portland cement and/or a low heat portland cement. The concrete composition used in an overlay method of construction is rich in the bonding strength between an existent paved layer and a new surface layer and is resistant to exfoliation, cracking of a new surface layer and wear.
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