This report gathers the state-of-the-art in alkali silica reaction (ASR) in concrete, and ASR mitigation techniques, in preparation for a more detailed study to be submitted to Congress in response to Public Law 106-398 (HR 4205). Mitigation techniques from various states in the U.S., and from various countries and international organizations, were assessed and summarized. A set of recommended mitigation procedures was developed, which is being implemented in the current ...
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