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Crumb rubber asphalt mixtures: A literature review
Highlights The ARwet, ARdry and ARtb technologies are effective paving materials. AR performs generally better than conventional AC with the same blend of aggregate. The reuse of rubber from end-of-life tyres leads to significant benefits. Direct costs of AR are 20–30% higher than direct costs of a conventional AC. AR enhances paving resistance and respects environmental demands.
Abstract Crumb rubber (CR) from end-of-life tyres has been used for several decades to improve asphalt mixtures properties. Three main processes of adding CR have been applied to produce asphalt rubber (AR) mixtures: the wet process, the dry process and the terminal blend process. This paper reviews the state of the practice of AR mixes in pavement technology, presenting some benefits and challenges of these paving materials. The paper presents the evolution of AR mixtures used as well as a discussion on the performance of AR solutions and on life-cycle assessment and emissions, energy consumption and costs, contributing to circular economy.
Crumb rubber asphalt mixtures: A literature review
Highlights The ARwet, ARdry and ARtb technologies are effective paving materials. AR performs generally better than conventional AC with the same blend of aggregate. The reuse of rubber from end-of-life tyres leads to significant benefits. Direct costs of AR are 20–30% higher than direct costs of a conventional AC. AR enhances paving resistance and respects environmental demands.
Abstract Crumb rubber (CR) from end-of-life tyres has been used for several decades to improve asphalt mixtures properties. Three main processes of adding CR have been applied to produce asphalt rubber (AR) mixtures: the wet process, the dry process and the terminal blend process. This paper reviews the state of the practice of AR mixes in pavement technology, presenting some benefits and challenges of these paving materials. The paper presents the evolution of AR mixtures used as well as a discussion on the performance of AR solutions and on life-cycle assessment and emissions, energy consumption and costs, contributing to circular economy.
Crumb rubber asphalt mixtures: A literature review
Picado-Santos, Luis G. (Autor:in) / Capitão, Silvino D. (Autor:in) / Neves, Jose M.C. (Autor:in)
25.02.2020
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
FRACTURE CHARACTERISTICS OF CRUMB RUBBER MODIFIED ASPHALT MIXTURES
British Library Conference Proceedings | 2004
|MECHANICAL PROPERTIES OF CRUMB RUBBER MODIFIED ASPHALT MIXTURES
British Library Conference Proceedings | 2004
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