The paper describes an experimental investigation on foamed bitumen bound mixtures for road pavements, with the aggregate matrix entirely composed of industrial by-products, such as steel slags, foundry sand, bottom ash and reclaimed asphalt pavement. The study consisted of a laboratory analysis of the physical and leaching properties of the single recycled granular materials considered, followed by mechanical characterisation of the foamed bitumen bound mixtures, in terms of indirect tensile strength, stiffness modulus and permanent deformation tests. The mechanical tests were also performed in wet conditions, in order to investigate the moisture sensitivity of the mixes.
Laboratory investigation on foamed bitumen bound mixtures made with steel slag, foundry sand, bottom ash and reclaimed asphalt pavement
BALDO, Nicola
2012-01-01
Abstract
The paper describes an experimental investigation on foamed bitumen bound mixtures for road pavements, with the aggregate matrix entirely composed of industrial by-products, such as steel slags, foundry sand, bottom ash and reclaimed asphalt pavement. The study consisted of a laboratory analysis of the physical and leaching properties of the single recycled granular materials considered, followed by mechanical characterisation of the foamed bitumen bound mixtures, in terms of indirect tensile strength, stiffness modulus and permanent deformation tests. The mechanical tests were also performed in wet conditions, in order to investigate the moisture sensitivity of the mixes.File | Dimensione | Formato | |
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