Performance of Concrete with an Intended Working Life of 50 Years


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Title: Performance of Concrete with an Intended Working Life of 50 Years

Author(s): A. B. Ribeiro, A. Goncalves, M. Salta, and A. Machado

Publication: Special Publication

Volume: 212


Appears on pages(s): 871-890

Keywords: carbonation-induced corrosion; chloride-induced corrosion; concrete; durability; performance-related methods

Date: 6/1/2003

Concerning the durability of concrete, Annex F of European Standard EN 206-1 gives recommendations for limiting values of concrete composition. These values are based on the assumption of an intended working life of the structure of 50 years. The in-situ and laboratory performance of eight concrete mixtures have been measured. The composition of these mixtures fulfills the limiting values of differenct carbonation-induced corrosion and chloride-induced corrosion exposure classes, as defined in EN 206-1. Two cements were tested a portland cement and a pozzolanic cement. The results present a set of laboratory and in-situ values that can he used as a basis for defining the performance-related design methods with respect to durability.