Critique of Warm Mix Additive in Mix Design
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 5
Abstract
WMA (Warm Mix Asphalt) is an innovative technology which is rapidly emerging in India which takes a prospective step towards conserving resources while addressing growing environmental sustainability. WMA technology allows the mixing, lay down, and compaction of asphalt mixes at significantly lower temperatures compared to Hot Mix Asphalt (HMA). The technology can reduce production temperatures by as much as 30 percent. This paper presents a systematic laboratory study and Marshall Mix Design for DBM grade II for warm mix additive (WMA) i.e. Rediset LQ. Engineering properties of Virgin bitumen (VG30) and WMA mixes were experimentally evaluated and further Marshall Mix design is carried out to find the Optimum Bitumen Content (OBC) of VG30 and Optimum dosage and Optimum temperature required by Warm mix additive (Rediset LQ added Asphalt) to satisfied the codal provisions. And the effects of Rediset LQ Additive in terms of low temperature, High stability, Increase in viscosity and Workability were investigated. These effects indicated the suitability of this WMA technology for the construction of sustainable and long lasting roads.
Authors and Affiliations
Shaleha I. Vahora, Prof. C. B. Mishra
Keywords
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