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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: Methodology of Modeling for Concrete Durability
Author(s): Aleksander Samarin
Publication: Special Publication
Appears on pages(s): 1205-1226
Keywords: alkali-aggregate reactions; carbonation; chemical attack; concrete durability; environments; evaluation; limit state design; porosity; reinforced concrete; serviceability; Design
Abstract:Most of the reported research on durability of concrete relates to some particular aspect of environmental attack, i.e., frost, sulfate, seawater action, etc. The main object of this study is to provide an architect or a structural engineer with the methodology of modeling for concrete durability under various conditions of reinforced concrete-environment interaction, which is divided into three main types: concrete continuously submerged in water, concrete continuously exposed to air, and concrete subjected to cycles of wetting and drying. The process of hydration and desiccation of cement paste as a function of pore structure and the environment becomes an important aspect of modeling for durability. Various modes of interaction between reinforced concrete and either existing or artificially created environment are expressed as a loss in concrete serviceability, using the concept of limit state design. This methodology should provide the basis for an evaluation of the most important factors of architectural, structural, and technological design of reinforced concrete and clearly define the appropriate quality of assurance practices, which are both necessary and sufficient to meet the specific durability requirements for each particular case of the material-environment interaction.
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