Slurry surfacing: a review of definitions, descriptions and current practices

Authors

  • Andrea Grilli Università della Repubblica di San Marino http://orcid.org/0000-0002-6219-0714
  • Andrea Graziani Università Politecnica delle Marche http://orcid.org/0000-0003-3796-9694
  • Alan Carter École de Technologie Supérieure, Monteral
  • Cesare Sangiorgi Università di Bologna
  • Luciano Pivoto Specht Universidade Federal de Santa Maria
  • Sergio Copetti Callai Università di Bologna

DOI:

https://doi.org/10.21809/rilemtechlett.2019.91

Keywords:

Cold bitumen emulsion technologies, surface treatment, slurry seal, microsurfacing, literature review

Abstract

Cold bitumen emulsions (CBE) are currently used worldwide for both non-structural (cold surface treatments) and structural (cold bituminous mixtures) paving applications. Among non-structural applications, bituminous slurry surfacings (BSS) allow to improve surface properties and extend the pavement’s life. However, selection of constituents, mix design, application and quality control procedures for BSS are mostly based on local experience and empirical tests. Thus, the use of BSS is associated to higher technical risks with respect to the use of traditional hot-mix technologies.

In this context the RILEM Technical Committee 280-CBE TG2 “Multiphase characterisation of cold bitumen emulsion materials” aims to collect worldwide theoretical knowledge and experiences on BSS and to inspire new standards, specifications and guidelines encompassing the wide set of existing practices. This paper summarizes the first part of the literature review carried out as part of the TC workplan and focuses on the definition, the description and the application method for BSS. National standards, construction specifications and best practice documents from North America, South America, Europe and Australia are analysed and compared.  

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Published

19.11.2019

How to Cite

(1)
Grilli, A.; Graziani, A.; Carter, A.; Sangiorgi, C.; Pivoto Specht, L.; Copetti Callai, S. Slurry Surfacing: A Review of Definitions, Descriptions and Current Practices. RILEM Tech Lett 2019, 4, 103-109.

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