Intellectual Property India Publishes Patent Application for 'A Sustainable Self-Compacting Concrete Composition Incorporating Rice Husk Ash (RHA) and Ground Granulated Blast Furnace Slag (GGBS)' Filed by Ms. K. Deepa; Mr. M. Madhu; Mr. P. Vamshi Goud; Mr. T. Aravind Kumar; Ms. P. Bhuvana; and Ms. A. Bhagyalaxmi

MUMBAI, India, May 1 -- Intellectual Property India has published a patent application (202641049696 A) filed by Ms. K. Deepa; Mr. M. Madhu; Mr. P. Vamshi Goud; Mr. T. Aravind Kumar; Ms. P. Bhuvana; and Ms. A. Bhagyalaxmi, Hyderabad, Telangana, on April 18, for 'a sustainable self-compacting concrete composition incorporating rice husk ash (rha) and ground granulated blast furnace slag (ggbs).'

Inventor(s) include Ms. K. Deepa; Mr. M. Madhu; Mr. P. Vamshi Goud; Mr. T. Aravind Kumar; Ms. P. Bhuvana; and Ms. A. Bhagyalaxmi.

The application for the patent was published on May 1, under issue no. 18/2026.

According to the abstract released by the Intellectual Property India: "The present invention relates to the development of a sustainable and high-performance self-compacting concrete (SCC) incorporating Rice Husk Ash (RHA) and Ground Granulated Blast Furnace Slag (GGBS) as partial replacements for Ordinary Portland Cement (OPC). The invention aims to enhance the workability, strength, and durability of concrete while reducing cement consumption and environmental impact. In the proposed composition, cement is partially replaced with RHA in the range of 5% to 20% and GGBS in the range of 20% to 50% by weight. The inclusion of RHA provides pozzolanic reactivity and micro-filling effects, leading to improved particle packing and early strength development, while GGBS contributes to long-term strength gain, reduced heat of hydration, and enhanced resistance to chemical attack. The concrete mixture is designed to achieve superior self-compacting properties, characterized by high flowability, adequate passing ability, and resistance to segregation without the need for mechanical vibration. Experimental results demonstrate improved compressive strength, reduced permeability, and enhanced durability compared to conventional concrete. The invention offers significant environmental benefits through the utilization of agricultural and industrial waste materials and reduction in carbon emissions, making it suitable for sustainable construction and complex structural applications."

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