• G Narendra Goud

Conventional pavement base or subbase layers may be stabilized with cementitious additives to improve the performance of pavement or to reduce the premature failures in pavements. The cemented material used as base/subbase layer can impart extra fatigue life to a pavement. Latest guidelines on flexible pavement design given by Indian Road Congress (IRC) 37-2012 provides the scope to incorporate acement stabilized base or sub-base courses in flexible pavements, however, use of these pavements in practice is limited due to lack of awareness about the advantages and competent equipment to ensure construction quality. In the present study, conventional flexible pavement base layer materials are characterized and designed. Cement stabilized base and sub-base layer materials are characterized and cement content is decided in accordance with the specifications. A flexible pavement with a selected subgrade soil, traffic level using conventional base and sub-base layers is designed also a flexible pavement with cement stabilized base and sub-base layers are designed using available guidelines. Layer thicknesses are designed keeping fatigue and rutting criteria within the allowable limits. Layer thickness reduction in case of cement stabilized pavement in comparison with conventional pavement for same service life is determined for various cases under consideration.

"Study on Cement Stabilized Base and Sub-base Courses of Flexible Pavements ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 2, page no.181-185, February-2018, Available :http://www.jetir.org/papers/JETIR18MG035.pdf

"Study on Cement Stabilized Base and Sub-base Courses of Flexible Pavements ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 2, page no. pp181-185, February-2018, Available at : http://www.jetir.org/papers/JETIR18MG035.pdf