SYMPOSIA PAPER Published: 01 January 1989
STP22878S

Evaluating the Freeze-Thaw Durability of Portland Cement-Stabilized-Solidified Heavy Metal Waste Using Acoustic Measurements

Source

The use of stress wave propagation to assess freeze-thaw resistance of portland cement solidified /stabilized waste is presented. The stress wave technique is sensitive to the internal structure of the specimens and would detect structural deterioration independent of weight loss or visual observations.

The freeze-thaw resistance of a cement-solidified cadmium waste and a control was evaluated. The control and cadmium wastes both showed poor freeze-thaw resistance. However, the addition of cadmium and seawater curing increased the resistance to more cycles of freezing and thawing. This is attributed to microstructural changes.

Author Information

El-Korchi, T
Worcester Polytechnic Institute, Worcester, MA
Gress, D
University of New Hampshire, Durham, NH
Baldwin, K
University of New Hampshire, Durham, NH
Bishop, P
University of Cincinnati, Cincinnati, OH
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Details
Developed by Committee: D34
Pages: 184–191
DOI: 10.1520/STP22878S
ISBN-EB: 978-0-8031-5090-4
ISBN-13: 978-0-8031-1261-2