International Journal of Transportation Science and Technology 6 (2017) 78–85
Tensile strength ratio and somewhat cost effective procedure. In this study, an attempt has been made to prepare Retained stability warm mixes by first pre-coating the aggregates with medium setting bitumen emulsion (MS) and then mixing the semi-coated aggregates with VG 30 bitumen at a lower temper- ature than normally required. After a number of trials it was observed that mostly three mixing temperatures, namely temperatures 110 °C, 120 °C and 130 °C were appropriate to form the bituminous mixes with satisfactory homogeneity and consistency and as such were maintained throughout this study. Marshall samples for paving mixes were prepared using this procedure for dense bituminous macadam (DBM) gradings as per the specifica- tions of Ministry of Road Transport and Highways (MORTH) and subsequently Marshall properties of the resultant mixes were studied w
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