This investigation was prompted by the increasing number of concrete roadway failures which have required corrective action. A more permanent solution than the placing of hot or cold mixed asphalt compounds into concrete voids was deemed necessary. the research included as many generic types of concrete patching materials as was possible under the existing funding of the project. These concrete patching materials were examined in the laboratory to determine the basic physical properties, then roadway patches using the same materials were placed and subjected to a field performance evaluation under traffic loading.
A high-performance mortar (HPM) containing a large amount of industrial by-products such as fly ash, silica fume, and limestone fines was developed fo...
This report contains a product evaluation of Thoro System's "Roadpatch" and "Thorite". Roadpatch is a cement base, fast-setting patching material. The...
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United States Department of Transportation
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