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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: MODELING OF CHLORIDE TRANSPORT IN CONCRETE STRUCTURES
Author(s): Nattapong Damrongwiriyanupap and Yunping Xib
Appears on pages(s): 9-15
Keywords: Modeling, Chloride, Concrete, Coupling effect
Abstract:Chloride-induced corrosion of steel bar is one of the severe problems for long term durability of reinforced concrete structures. Modeling chloride diffusion in concrete structures is very useful for structural engineers and/or management agency for predicting the service life and scheduling the maintenance and/or rehabilitation plan of reinforced concrete structures. In this paper, a theoretical and computational model for chloride penetration into concrete structures is presented. The governing equations are accounted for the transport mechanism of chloride ions, moisture, and temperature. This is related to concrete structures which are always found in nonsaturated and non-isothermal conditions. The coupled effects among chloride, moisture, and temperature are considered and included in the model. The coupling parameters are evaluated based on the available test data and incorporated in the governing equations. Then, the coupled partial differential equations are solved by the finite element method.
Thailand Concrete Association, International Partner Access.
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