Durability Indicators in High Absorption Recycled Aggregate Concrete
作者： Luis F Jiménez , Eric I Moreno , None
DOI: 10.1155/2015/505423
关键词: Durability 、 Composite material 、 Fluid transport 、 Carbonation 、 Permeability (earth sciences) 、 Cement 、 Materials science 、 Chloride 、 Sorptivity 、 Porosity
摘要: The use of recycled aggregates in structural concrete production has the inconvenience increasing fluid transport properties, such as porosity, sorptivity, and permeability, which reduces resistance against penetration environmental loads carbon dioxide chloride ion. In this paper, behavior ten mixtures with different percentages coarse aggregate replacement was studied. material recovered by crushing rubble had high absorption values. results showed that it is possible to achieve good carbonation up 50% for 0.5 water/cement ratio. Finally, new indexes porosity sorptivity were proposed assess quality concrete.
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