Corrosion Characteristics of Cement-Stabilized Crushed Stone under Vibrational Effects
Publication: Journal of Materials in Civil Engineering
Volume 35, Issue 5
Abstract
An indoor vibrational dissolution scouring test was designed to investigate the effects of vibrational frequency, vibrational acceleration, environmental temperature, and dissolution medium on the dissolution characteristics of cement-stabilized macadam base material during water erosion. The results showed that the dissolution damage effect exists in cement-stabilized macadam, and dissolution is an important evaluation index of its base failure. The amount of calcium ion dissolution and pH of cement stabilized gravel increased with increasing vibrational time. When the vibrational frequency was in the range of , the amount of dissolved and the pH of the solution first increased, and then decreased with the vibrational frequency. The concentration and pH of the solution reached their maximum at 140 Hz for 10 h. Of the four vibrational dissolution factors considered, vibrational acceleration produced the largest degree of dissolution of cement-stabilized macadam. The leached concentration increased with increasing temperature of the dissolution medium and the concentration of ammonium chloride solution, while increasing pH decreased dissolution.
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Data Availability Statement
All data, models, and code generated or used during the study appear in the published paper.
Acknowledgments
This study is financially supported by the National Natural Science Foundation of China (52268064).
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© 2023 American Society of Civil Engineers.
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Received: Feb 8, 2022
Accepted: Aug 23, 2022
Published online: Feb 28, 2023
Published in print: May 1, 2023
Discussion open until: Jul 28, 2023
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