BS EN 990:1996- Test methods for verification of corrosion protection of reinforcement in autoclaved aerated concrete and lightweight aggregate concrete with open structure
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This European Standard specifies methods for verification of the effectiveness of the corrosion
protection of reinforcing steel embedded in autoclaved aerated concrete (AAC) components¹)
or components of lightweight aggregate concrete with open structure (LAC) according to prEN 1520.
Tests according to this standard are not required for LAC components if corrosion protection is achieved
by embedding the reinforcing bars completely in a zone of concrete with closed structure according to
4.4.3.3 of prEN 1520.
Three different methods of short-term test (methods 1 to 3) and a long-term test (method 4) are provided. The corrosion protection system is considered to be suitable for reinforced
components¹) within the range of application in accordance with prEN 1520 if it passes
a) at least one of the short-term tests, the choice
of which is free, or
b) the long-term test.
BS EN 990:1996- Test methods for verification of corrosion protection of reinforcement in autoclaved aerated concrete and lightweight aggregate concrete with open structure