Abstract
Abstract The disposal of leftover concrete and wash water from ready-mix concrete trucks is becoming an increasingly greater environmental concern. The first concern is over the amount of waste water that is generated in cleaning these trucks. The second concern is what effect, if any, these materials, which are considered hazardous by the EPA, might have when surface bodies of water and ground water become contaminated. This research project investigated the potential for recycling these waste concrete materials for the production of fresh concrete and mortar. A relatively new stabilizing admixture was also investigated as an aid in the recycling process. The resulting mortar was tested for compressive strength, sulfate resistance, workability, and setting time.
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