Print Email Facebook Twitter Guideline for service life design of structural concrete: A performance based approach with regard to chloride induced corrosion Title Guideline for service life design of structural concrete: A performance based approach with regard to chloride induced corrosion Author Wegen, G. Van der Polder, R.B. Breugel, K. Van Faculty Civil Engineering and Geosciences Department Structural Engineering Date 2012-12-31 Abstract Nowadays major structures require a service life of 100 years or even more. CUR committee VC81 has developed a guideline for service life design based on initiation of corrosion due to chloride penetration for exposure classes XD or XS. A semi-probabilistic simplification of the DuraCrete methodology is introduced with a probability of failure of <10% for corrosion initiation. Three options are provided to the designer: (1) a range of concrete cover depths adapted to the binder type and exposure class; (2) a semi-probabilistic approach using a safety margin for the concrete cover depth; (3) full probabilistic calculations based on specified input parameters. The guideline permits optimisation with respect to cover depth and concrete composition. The required concrete performance is the chloride diffusion resistance, measured as Rapid Chloride Migration. Its limit value depends on cover depth, required service life, exposure class and binder type (Portland, Blast furnace slag and Portland/fly ash cement). Model calculations were validated using data from marine and road structures. Subject Concretereinforcement corrosionchlorideservice life designperformance To reference this document use: http://resolver.tudelft.nl/uuid:70990fe4-2fc6-4d3e-955c-1972f03d6b7e Publisher Heron ISSN 0046-7316 Source Heron, 57 (2012) 3 Part of collection Institutional Repository Document type journal article Rights (c) 2012 Wegen, G. Van derPolder, R.B.Breugel, K. Van Files PDF Guideline_for_service_lif ... ign_of.pdf 205.61 KB Close viewer /islandora/object/uuid:70990fe4-2fc6-4d3e-955c-1972f03d6b7e/datastream/OBJ/view