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Composites with recycled rubber aggregates : properties and opportunities in construction

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Flores Medina, Nelson, Garcia, Reyes, Hajirasouliha, Iman, Pilakoutas, Kypros, Guadagnini, Maurizio and Raffoul, Samar (2018) Composites with recycled rubber aggregates : properties and opportunities in construction. Construction and Building Materials, 188 . pp. 884-897. doi:10.1016/j.conbuildmat.2018.08.069 ISSN 0950-0618.

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Official URL: https://doi.org/10.1016/j.conbuildmat.2018.08.069

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Abstract

Vulcanised rubber is extensively used in many industrial sectors due to its good physical, mechanical and dynamic properties, as well as excellent durability, outstanding abrasive resistance and relatively low cost. Unfortunately, most post-consumer rubber-derived products are still discarded as waste, buried in landfills or incinerated. Such materials require many years to degrade naturally due to i) their complex cross-linked composition, and ii) the additives used during manufacturing to extend the lifespan of rubber. Extensive research has investigated the use of end-of-life rubber as binder (e.g. elastomers, bitumen), or as conglomerates (cement, gypsums) to produce innovative composites in construction. To improve the properties of composites made with recycled rubber, the surface of rubber has been treated with different costly processes to improve the Interfacial Transition Zone (ITZ). However, the results available in the literature are inconsistent and many technical and practical aspects remain unsolved, thus preventing the cost-effective use of rubber in the construction industry. This study provides a comprehensive review on rubber properties and surface treatments of rubber recycled from post-consumer components so as to identify potential applications in composites for construction. It is concluded that an understanding of the chemical, physical and mechanical properties of rubber, as well as a proper characterisation, are necessary to take full advantage of this high quality material. Future research needs in the field are also suggested.

Item Type: Journal Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Science, Engineering and Medicine > Engineering > Engineering
Library of Congress Subject Headings (LCSH): Rubber -- Industrial applications, Rubber -- Recycling, Earthquake resistant design
Journal or Publication Title: Construction and Building Materials
Publisher: Elsevier
ISSN: 0950-0618
Official Date: 10 November 2018
Dates:
DateEvent
10 November 2018Published
31 August 2018Available
13 August 2018Accepted
Volume: 188
Page Range: pp. 884-897
DOI: 10.1016/j.conbuildmat.2018.08.069
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Copyright Holders: Elsevier
Date of first compliant deposit: 12 March 2019
Date of first compliant Open Access: 31 August 2019

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