S.Karthika, V.Jayaraman, T.Karthi, P.Murugesan and K.C.Denesh (2017) “Flexible pavement design for rural roads by improving expansive soil ”, International journal of intellectual advancements and research in engineering computations, 5(1), pp. 1052–1056. doi: 10.61096/ijiarec.v5.iss1.2017.1052-1056.