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Journal of Review in Science and Engineering
JRSE 2021, 9 pages - Article ID: JRSE-2012062112293
Self-Healing Techniques for Sustainable Pavements - A Review
Department of Civil Engineering, Shri Vishnu Engineering College for Women (Autonomous), Vishnupur, Bhimavaram, West Godavari, Andhra Pradesh, India
ABSTRACT
This paper summarizes the various problems that occur in flexible pavements also emphasize the necessity of adopting self-healing techniques in order to have efficient self-healing pavements. The healing techniques for flexible pavements are rejuvenation, induction heating and Nanomaterials. The induction heating is in existence and pavements are laid in the Netherlands. The self-healing pavements fetch in scaling down the maintenance cost as well as improve the pavements’ lifespan. Several research works are done on these self-healing techniques. And a lot is going on to find out efficient one. The scope exists for Nanomaterials and microcapsules (rejuvenation). Furthermore, the healing properties of the bitumen can be enhanced with the use of Nanomaterials like Nano rubber, Nano clay and Nano silica. The microcapsules are introduced to a bituminous mix and resin is expelled out when a crack appears. The steel fibres with different percentages and in different lengths are used in pavements and are used to heat the bitumen when the cracks are appeared. These are the different materials to be using and the scope exists to find out the efficient technique for making the self-healing pavements.