A STUDY OF BITUMINOUS MIXES WITH NATURAL FIBRE (SISAL FIBRE) BY EXPERIMENT.
Journal Title: International Journal of Civil Engineering and Technology - Year 2019, Vol 10, Issue 3
Abstract
The main aim of this study was to determine the benefits of use of naturally available fibre called SISAL fibre used as additive in Bituminous concrete. Bituminous Mixture in which all component were mixed, placed and compacted at High temperature is called as hot mix asphalt. HMA grade is referred as Dense Grade mixture (DGM). Asphaltic concrete is also called Bituminous Concrete (BC). Pavements are vulnerable to cracks, potholes, distresses and permanent deformation. In this study, SISAL fibre had been used in bituminous mixes to study the benefits of use of natural fibre and environmentally sustainable design. Standard Marshall Mix design test and Drain Down test were performed. The process of mixing and preparation of aggregate, gradation had been taken as per specification of (ISMORTH). The various percentages of binder varied to (4%-6%) and additive fibre varied to (0%-0.8%) of total aggregates and Stone dust as a filler. Using Marshall Procedure, the optimum value of bitumen content was found to be (5%). Similarly, Fibre content for Bituminous Concrete (BC) was found to be (0.4%). Bituminous Concrete (BC) mix samples were made to find out their OBC and OFC, then performed with tests like Marshall Stability and Drain down test to assess the result of addition of fibre in bituminous mix. The test results show that the modification of bitumen with sisal fibre used as additive in the bituminous mixture help in increasing its stability, durability and decreasing air void and flow value. In the end it is found that using fibre as an additive enhance the properties like Stability, Strength, and endurance and reduce the Drain down of Bituminous Concrete (BC).
Authors and Affiliations
AMIT KUNDAL and AMIT GOEL
Keywords
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