Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Effects of Aggregate Gradation on Water Permeability of Concrete
Concrete permeability is one of the key properties of concrete which largely effects concrete durability. Conventionally concrete permeability is considered as a function of water to cementitious materials ratio. But aggregate being the major constituent of concrete, was found to have considerable effects on various properties of concrete. In this research the effects of aggregate gradation on concrete permeability have been examined for two different types of cement. Total twenty concrete mixes were prepared using two different types of aggregate gradations, CEM I and CEM II/B-M cements. Concrete permeability measured in terms of depth of water penetration under pressure as per the standard EN12390-8. It has been found that concrete mixtures having same w/c ratio and keeping all other properties same, may have different permeability only because of different aggregate gradation. This article also features the use of concrete compressive strength as an alternative parameter for controlling concrete permeability based on the test results.
Effects of Aggregate Gradation on Water Permeability of Concrete
Concrete permeability is one of the key properties of concrete which largely effects concrete durability. Conventionally concrete permeability is considered as a function of water to cementitious materials ratio. But aggregate being the major constituent of concrete, was found to have considerable effects on various properties of concrete. In this research the effects of aggregate gradation on concrete permeability have been examined for two different types of cement. Total twenty concrete mixes were prepared using two different types of aggregate gradations, CEM I and CEM II/B-M cements. Concrete permeability measured in terms of depth of water penetration under pressure as per the standard EN12390-8. It has been found that concrete mixtures having same w/c ratio and keeping all other properties same, may have different permeability only because of different aggregate gradation. This article also features the use of concrete compressive strength as an alternative parameter for controlling concrete permeability based on the test results.
Effects of Aggregate Gradation on Water Permeability of Concrete
Warda, Bint Ashraf (Autor:in) / Munaz, Ahmed Noor (Autor:in)
2012
5 Seiten
Aufsatz (Konferenz)
Englisch
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