Abstract
Abstract: In India majority of roads are being constructed by flexible pavements. But the performance of the pavement largely depends on quality of materials used, Equipment’s used, construction methodology adopted, temperature and climatic conditions at the area etc. Because of these variations in the mentioned parameters, pavements undergo distress/ failure. The different types of failure in flexible pavement are Rutting, Shovelling, Edge breaks, Cracks, Slippage etc. Rutting is a common phenomenon which occurs in flexible pavement surface due to overloading of vehicles and repeated application of wheel load. Design of bituminous paving mixes greatly effects the performance of pavements. In the present laboratory research work, Bitumen grade VG-30 & VG-40 are used in wearing/ surface course and VG-30 is used in binder course of the layer to study the properties of Marshall Stability. An indigenously developed equipment called Roller Compactor cum Rut analyser (RCRA) is used to study the performance of these bituminous mixes against Rutting. Keywords: Job Mix Formula (JMF). Marshal Method, Bituminous Concrete (BC), Dense Bituminous Macadam (DBM) Roller Compactor cum Rut Analyser (RCRA).
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