Physico-Mechanical Foundations of Theoretical and Engineering Investigation on the Development to Corrosion-Resistant Materials in Buried Structures of Coastal Zones

Abstract:

The paper considers methods of physical and mathematical modeling that can be used to describe the processes of non-stationary mass transfer of free calcium hydroxide in buried concrete and reinforced concrete structures of coastal zones. The authors proposed a mathematical model of mass transfer in an unrestricted two-layer plate in the form of a system of parabolic partial differential equations with boundary conditions of the second kind at the "concrete-liquid" interface and of the fourth kind at the "concrete-soil" interface. In terms of the results of experimental studies of the mechanisms for reducing the quality of concrete due to exposure to sulfate and acidic environments, using the obtained solutions of the mathematical model, it becomes possible to select the optimal composition of concrete with high anticorrosion properties.

• Periodical: Solid State Phenomena (Volume 334)
• Pages: 209-216
• DOI: https://doi.org/10.4028/p-tkq4eg
• Online since: July 2022
• Authors: Sergey Viktorovich Fedosov*, Olga V. Aleksandrova, V.N. Fedoseev, S.A. Loginova, Nguyen Duc Vinh Quang
• Keywords: Concrete - Soil – Liquid, Concrete Corrosion, Henry's Law, Mathematical Modelling, Reinforced Concrete Structure

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