Development of emulsions for micro-surfacing.

Author(s)
Soliman, S. Maze, M. & Delfosse, F.
Year
Abstract

Micro-surfacing and slurry seal techniques have been developed as very thin surface courses for road construction and maintenance. They are a mixture of aggregates, sand and emulsion produced and laid in situ by a special machine. Until 1999, the bitumen used to produce the emulsion for micro-surfacing and slurry seal was a naphtenic type. Technical reasons were behind such choice (resistance of the mix to wear adhesion between the bitumen and the aggregates). Taking into account the development of these techniques in France and abroad, it became however necessary for Eurovia to look after new emulsion formulas based on other sources of bitumen. r includes two parts: 1) the development and fine tuning of emulsion formulas in the laboratory (feasibility and mechanical performance). 2) industrial validation (production of the emulsion and application at job site). For the covering abstract see ITRD E135448.

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Publication

Library number
C 42772 (In: C 42760 CD-ROM) /22 /33 / ITRD E135460
Source

In: CD-DURBAN : proceedings of the XXIIth World Road Congress of the World Road Association PIARC, Durban, South Africa, 19 to 25 October 2003, Individual Papers Strategic Theme 1. 2004. 8p (4 Refs.)

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