A STUDY ON STRENGTH CHARACTERISTICS OF SOIL REP LACED WITH PONDASH AND REINFORCED WITH COIR FIBREJournal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.5, No. 8)
Publication Date: 2016-08-30
Authors : Hima Latheef; Asst Dipin Syam;
Page : 939-951
Keywords : Pondash; Black cotton soil; Coir fibre; Pavement design;
Over the last few years, the construction of highways and roads has taken a boost. This requires a huge amoun t of natural soil to excavated or to be deposited which is an environmental issue and economical too. These issues motivates in development of alternative methods and thus leads to the reuse of suitable industrial by products. Pond ash is one such by produ ct. Expansive nature of black cotton soil generates lot many problems in pavement construction. Thus for good performance and long life of road it is important to improve the properties of black cotton soil. This study deals with improving the properties o f black cotton soil through addition of Pond ash and naturally available coir fibre which is an environmental friendly option. During this work, a series of tests such as CBR test, compaction test and Unconfined compression test were carried out . Percenta ge of pondash varied from 20, 40, 60 and 80 % whereas percentage of fibre varied from 0.50, 0.75, 1 and 1.5%. Results of laboratory investigation revealed that 60% pondash, and 1% of fibre were optimum for the improvement of strength characteristics of soi l stabilization. Flexible Pavement design are also done for both stabilized and non stabilized soil subgrade and the results were compared.
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