Abstract
Microsurfacing is a proactive surface treatment that enables the surface to restore and preserve the characteristics of the road surface. It is a mix of polymer-modified asphalt emulsion, graded aggregate, cement, water and additives applied in a semi-liquid state using specialized tools on existing pavement with a thickness of 6–8 mm (Type III). In this paper, the mix design developed in the laboratory and the mix design applied on-site are analysed and the economic analysis of microsurfacing on the rigid pavement having 4 lanes is done. The performance of microsurfacing is studied by considering the skid resistance, roughness and rutting of the road surface. The mix design is followed by the guidelines specified in IRC: SP:81:2008 and ISSA A143.In economic analysis the Internal Rate of Return (IRR) is calculated as per guidelines given in IRC: SP: 30:2009. The EIRR of the project is 20.55% which is higher than 12%. It shows that a proposed project is economically viable.
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Acknowledgements
The authors of this research paper want to share their gratitude towards the help of SBM Enterprises, Pune, for providing the emulsion with regards to carrying out the laboratory work.
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Khot, S.S., Patil, V.A., Madnaik, S.P. (2024). Application of Microsurfacing Technique for Optimizing Maintenance Cost of Rigid Pavements in India. In: Sumesh, M., Tavares, J.M.R.S., Vettivel, S.C., Oliveira, M.O. (eds) 2nd International Conference on Smart Sustainable Materials and Technologies (ICSSMT 2023). ICSSMT 2023. Advances in Science, Technology & Innovation. Springer, Cham. https://doi.org/10.1007/978-3-031-50024-4_9
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