Cheng Zhao

Date of Award


Degree Type


Degree Name

Master of Engineering Science


Civil and Environmental Engineering


Dr. Shang, Julie Q.


The results of a pilot test carried out near a tailings disposal pond at the Musselwhite Mine, Northern Ontario, Canada are analyzed in this thesis to study the application of coal fly ash in mine tailings under the natural setting. A set of water content and temperature data is collected from four tanks at the test site filled with mine tailings

(Tank A), coal fly ash and mine tailings in a stratified approach (Tank B), and coal fly ash and mine tailings mixtures in mass ratios of 10:90 (Tank C) and 15:85 (Tank D), respectively. These data are analyzed in this thesis. Furthermore, the thermal properties of mine tailings and mixtures of coal fly ash and mine tailings are measured by a thermal properties analyzer, and their soil-water characteristic curves are developed by the filter paper method in the lab. The results from the lab tests are correlated to the field

observation to enhance the understanding of field application of coal fly ash in the management of reactive mine tailings.



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