309.1R-93: Behavior of Fresh Concrete During Vibration (Reapproved 1998)
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Note: A newer version of this document exists. This document was replaced by 309.1R-08.
This report covers the state of the art of processes that take place in the consolidation of fresh concrete during vibration. These processes, rheological and mechanical in nature, are discussed to provide better understanding of the principles. The first chapter presents the historical developments relative to consolidating concrete. The second chapter deals with the rheologic al behavior of concrete during consolidation and the associated mechanisms of dynamic compaction. The third chapter presents the principles of vibratory motion occurring during vibration, vibratory methods, and experimental test results. Continuing resea rch in the field of concrete vibration, as evidenced by the extensive literature devoted to the subject, is addressed.