PERFORMANCE EVALUATION OF FLEXIBLE PAVEMENTS ON EXPANSIVE SOILSC.S. BHAGAVAN RAJU, M. ANJAN KUMAR AND G.V.R. PRASADA RAJU
As part of infrastructure development huge investment is being made on expansion of National highways and important roads across the country. For improvement of Highways two types of Pavements commonly used in India viz., Flexible Pavements (Bituminous) and Rigid pavements (Concrete). Flexible pavements are widely used in this country from the considerations of economy The performance of Flexible pavements depends largely on properties of original ground on which the pavement rests, the quality of materials used in the construction of various layers of pavement and quality assurance as per relevant specifications. In general any road after construction is basically evaluated by the performance in terms of unevenness index and structural stability over a period of time. The evaluation of these two important parameters will facilitate the clear understanding of performance of various materials used in the construction and to undertake suitable rehabilitation measures if necessary.
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