Simulation of Chloride Ingress into Unsaturated Concrete Exposed To Tidal Areas
Van Quan Tran1, Hoang Long Nguyen2, Huu Nam Nguyen3, Quang Hung Nguyen4

1Van Quan Tran, University of Transport Technology, Hanoi, Vietnam.
2Hoang Long Nguyen, University of Transport Technology, Hanoi, Vietnam.
3Huu Nam Nguyen, Institute for Hydropower and Renewable Energy, Hanoi, Vietnam.
4Quang Hung Nguyen, Thuyloi University, Hanoi, Vietnam

Manuscript received on 18 June 2019 | Revised Manuscript received on 25 June 2019 | Manuscript published on 30 June 2019 | PP: 1122-1127 | Volume-8 Issue-5, June 2019 | Retrieval Number: E7339068519/19©BEIESP
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Abstract: The paper focuses on establishanumerical model to simulate penetration of chloride ions in unsaturated concrete exposed to tidal areas. The model will be set up based on two mechanisms of fluid flow and ion diffusion. The first part of the paper will present the equations of fluid flow in unsaturated pore milieu and ion ingress into concrete. The numerical model will be compared with the experimental results from literature, the numerical model. A full model of chloride ion ingress into unsaturated concrete can be established. The model will be validated by comparison with the experimental results from literature. The results show that the prediction of numerical model is relatively accurate in the chloride penetration in ordinary concrete.
Keywords: Unsaturated Concrete, Chloride, Tidal Areas, Imbibition, Drying

Scope of the Article: Concrete Engineering