A characteristic feature of modern, high-performance concrete is a low porosity and a discontinuous capillary pore structure of the cement paste. This is encompassed by keeping a low water/cement ratio with the aid of superplasticizers and by adding silica fume to the mixture. From a material point of view these modern concretes generally possess some highly advantageous properties compared to traditional concrete. Examples of these include good workability in the fresh state, high strength, low permeability and improved durability. However, these types of concrete also possess some problematic properties, such as autogenous deformation.
|Effective start/end date||01/08/2003 → 01/12/2006|
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