Author(s): Titli Pramanik; Stephen Bruneau; Bruce Colbourne; Anne Barker
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Abstract: The purpose of this work is to improve the understanding of the adhesion of ice to concrete. This study is a part of the ICEWEAR* program to determine the effects of ice- concrete bonding on concrete abrasion. Experiments have been carried out in which fresh water ice samples have been placed in contact with mid strength concrete surfaces at varying pressures and for varying durations, after which they are pulled apart. A lever arm machine was designed so that the action of gravity provided steady long term compressive loads, and a controlled-rate scissor jack was used to gently reverse the loading direction to break the adhesive bonds. The result of the experiment confirmed the growth of the adhesive bond strength with time and pressure and provided sufficient data to fully characterize the nonlinearity of the relationships.
Year: 2020