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Title: Physical and Chemical Characteristics Affecting the Durability of Concrete

Author(s): Vagelis G. Papadakis, Costas G. Vayenas, and Michael N. Fardis

Publication: Materials Journal

Volume: 88

Issue: 2

Appears on pages(s): 186-196

Keywords: concrete durability; diffusion; diffusivity; hydration; porosity; pozzolans; reinforced concretes; saturation; specific surfaces; Materials Research

Date: 3/1/1991

The durability of reinforced concrete is influenced by those physical characteristics of concrete that control the definition of gases, such as CO2 and O2, or of liquids (mainly water) through its pores, and the diffusion of ions, such as CL-, dissolved in the pore water. These physical characteristics depend on the composition of concrete, on the chemical composition and type of cement, and on the relative humidity and temperature of the environment. The following characteristics of concrete are determined analytically and/or experimentally, in terms of the


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