High Molecular Weight Methacrylate for Sealing Cracked Concreteby David W. Fowler, Univ of Texas at Austin, United States,
Abstract: The sealing of cracks in concrete surfaces has been one of the most difficult types of repair to accomplish. Epoxy injection has been widely used, but due to its relatively high cost, it is not practical for many repairs. In recent years, the use of high molecular weight methacrylate has been successfully used to seal cracks and to restore some of the structural integrity. A summary of laboratory research will be presented which shows that cracks which vary from 0.2 mm or less at the surface to zero width in the interior, can be filled to 80 percent or more of their length.
Subject Headings: Cracking | Concrete | Sealing | Rehabilitation | Compressive strength | Epoxy
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