Reinforced Concrete Corrosion Experiments

This chapter explores the techniques employed in corrosion testing, including accelerated corrosion experiments to simulate real corrosion process. Environmental simulation, such as immersion in simulated concrete pore solution, enables researchers to replicate the concrete’s corrosive conditions. Electrochemical experiments, using tools like potentiostats, electrodes, and electric potential measurement, offer insights into the electrochemical processes involved in corrosion. Surface observation and visual inspection aid in identifying visible signs of corrosion damage. The analysis of corrosion products and dissolved elements using techniques like optic microscopy provides valuable information about the corrosion mechanisms and degradation products. Quantifying corrosion rate is crucial, which can be achieved through methods such as linear polarization resistance (LPR) and Tafel extrapolation. Electrochemical impedance spectroscopy (EIS) offers a comprehensive view of the electrochemical behavior of the system. To assess the extent of corrosion, techniques like corrosion potential mapping and attachment strength testing are employed. Penetration testing of chemical elements in concrete helps evaluate the impact of different elements on corrosion susceptibility. Finally, potential data reading provides critical information about the corrosion behavior over time. This knowledge contributes to the development of effective corrosion prevention and mitigation strategies, ensuring the durability and longevity of concrete structures.