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Analysis of Chloride Diffusion in Cracked Concrete

Title
Analysis of Chloride Diffusion in Cracked Concrete
Author
이한승
Keywords
Chloride; Concrete; Crack; Diffusion; Hydration
Issue Date
2008-09
Publisher
MATERIAL SCIENCE AND ENGINEERING
Citation
KEY ENGINEERING MATERIALS, v. 385-387, Page. 661-664
Abstract
This paper presents a model for chloride diffusion in cracked concrete. This numerical model includes two parts: hydration model and chloride diffusion model. The hydration model starts with mix proportion of concrete and considers both Portland cement hydration and pozzolanic activity. By hydration model, the evolution of properties of cement paste is described as function of curing age. Furthermore, based on general effective media theory and composite spheres assemblage model, the effective diffusivity of chloride ions in concrete without crack is obtained. Finally based on crack distribution in cracked concrete and finite element methods, the diffusion of chloride ions in cracked concrete is predicted. The prediction results agree well with experiment results.
URI
https://www.scientific.net/KEM.385-387.661http://repository.hanyang.ac.kr/handle/20.500.11754/80668
ISSN
1013-9826
DOI
10.4028/www.scientific.net/KEM.385-387.661
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ARCHITECTURE(건축학부) > Articles
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