Presentation of findings of a research on Coal Bottom Ash in Road Construction on 25th April 2024

The research findings on the utilization of Coal Bottom Ash in Road Construction were formally presented by Dr. Abdus Cadersa, Senior Lecturer in Civil Engineering at the University of Mauritius.

This presentation took place at the Head Office of the Road Development Authority (RDA) in Ebène. Notable attendees included the distinguished presence of Hons. Mahendranuth Sharma Hurreeram, Minister of National Infrastructure and Community Development, alongside the Chairman of the RDA Board, the General Manager, and key Engineering cadre staff of the RDA.

The presentation focused on the technical, economic and environmental feasibility of the use of coal bottom ash as a mechanical stabiliser in subgrade soil in road construction.

In a statement, Minister Hurreeram underlined that it is an important research for the construction sector as it will contribute in building a stronger and more sustainable foundation for road construction thereby improving the durability of our road networks. This process, he indicated, will include the recycling of construction wastes which will help to reduce pollution and hence, protect the environment.

He stated that the research is in line with Government’s vision to promote Mauritius as a sustainable economy. In addition, he pointed out that the Environment Bill, which aims to provide a modern legislative framework with a view to ensuring better environmental protection, management and conservation, was recently presented in the National Assembly. According to him, this demonstrates the commitment of the Government towards sustainable development and the transition to a green and circular economy.

The Minister expressed confidence that such project will be beneficial in improving the quality of our roads especially in cases of flash floods adding that the use of Coal Bottom Ash will be more cost-friendly for the construction of roads. He also said that he looks forward to the realisation of the project provided that it passes the feasibility tests and the outcomes are positive.

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