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Performance Analysis of Cement Treated Base/Sub-Base Method over Traditional Method in Flexible Pavements

Author(s):

Sagar Tukaram Phatangare , NDMVPS's KBTCOE, Nashik

Keywords:

Cement Treated Base (CTB), Cement Treated Sub-Base (CTSB), Flexible Pavement, Stabilization Performance Analysis

Abstract

Countries all over the world are developing rapidly and infrastructure sector plays a vital role in the development of nations. Transportation is the main constituent of infrastructure sector. Most of the countries are dependent on the roads and highways for transportation of all kinds as compare to waterways, railways, airways etc. In many developing countries, crushed rock and murrum is used as a base material for road pavement. These materials are required in large quantities and are not easily available in many regions. Government of India is concentrating on the development of National Highways and State Highways for the fast transportation and conveyance. Hence the requirement of the construction materials is very huge. This report consists of the study of reasons of failure of the flexible pavements. The materials used for the pavement construction in traditional method. The problems associated with these materials. This study explains the mechanism of Cement Treated Base/Sub-base. The quantity of the cementitious material required to be added for stabilization process. The construction process is explained in details. This material is beneficial because it minimizes the crust thickness and hence saves the material required for construction. The cement treated sub-base/base is tested for the unconfined compressive strength and the results are obtained. It proves that, this material gives better strength as per requirement and performance also better as compare to the traditional materials. The construction cost, quantity of material, transportation charges for material, machine requirement, machinery fuel cost are analysed and compared for the cement treated sub-base and traditional material. The result shows the saving in the construction cost for CTB/CTSB method is more. This report shows how it is beneficial to use cement treated sub-base to replace the traditional base material used for construction of highways.

Other Details

Paper ID: IJSRDV5I60028
Published in: Volume : 5, Issue : 6
Publication Date: 01/09/2017
Page(s): 14-18

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