Interim results from the California warm-mix asphalt study.

Author(s)
Jones, D. Wu, R. & Barros, C.
Year
Abstract

The use of warm-mix asphalt (WMA) has increased substantially in recent years. Given the significant differences to hot-mix asphalt (HMA) practice and fears of a moratorium on the use of the technology if unexplained problems occur, the California Department of Transportation decided to follow a more conservative approach, by designing and implementing a phased comprehensive study. Phase 1 investigated rutting behavior of three different WMA technologies against an HMA in an accelerated loading test with associated laboratory testing assessing rutting and fatigue performance and moisture sensitivity. Phase 2 investigated the effects of the three WMA technologies on moisture sensitivity in an accelerated loading test. Phase 3 is investigating the use of seven different WMA technologies in rubberized asphalt in the same testing program. This paper provides an overview of the California WMA study as well as the results of the first two phases. (a) For the covering entry of this conference, please see ITRD abstract no. E220164.

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Publication

Library number
20101853 ST CD-ROM /31 / ITRD E220125
Source

In: Building on 50 years of road and transport research : proceedings of the 24th ARRB Conference, Melbourne, Victoria, 12-15 October 2010, 19 p.

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This publication is one of our other publications, and part of our extensive collection of road safety literature, that also includes the SWOV publications.