Improving the Methodology for Determining the Corrosion Resistance of Concrete in Acid Solutions. Physical Concepts and Mathematical Formulation of the Problem

Abstract

The article discusses the principles of determining the corrosion resistance of concrete used in acidic environments of various types. An analysis of the procedures for preparing samples and components of liquid and solid phases, experimental conditions, and computational procedures shows that the reliability of the results obtained can be significantly increased. To do this, it is necessary to take a more thorough approach to the problems of modeling chemical and mass transfer processes in the systems under study, involving the mathematical theory of the kinetics of unsteady mass transfer processes in the liquid–solid system. In accordance with the outlined physical concepts of the research methodology, the nature of kinetic curves of concentration changes in liquid and solid phases is presented in the text.