MUMBAI, India, Sept. 22 -- Intellectual Property India has published a patent application (202641109867 A) filed by Sr University on September 13, 2026, for A Sustainable Lightweight Concrete System Comprising Recycled Aac Debris For Internal Curing And Reduced Environmental Impact.
Inventors include Katam Sambasiva Rao; Dr. K. Poongodi; and Dr. P. Murthi.
The application for the patent was published on September 18, 2026, under issue no. 38/2026.
Abstract: The present invention relates to a sustainable lightweight concrete system comprising recycled Autoclaved Aerated Concrete (AAC) debris for internal curing and reduced environmental impact. The invention provides a practical method for utilizing waste AAC blocks as a functional lightweight aggregate in concrete instead of disposing of the material as construction waste. The AAC debris is collected, cleaned, crushed, graded, and suitably conditioned before being incorporated into a concrete mixture comprising cementitious material, fine aggregate, and water. Due to its porous structure, the recycled AAC debris is capable of absorbing and retaining water within its internal pores. During cement hydration, the stored water is gradually released into the surrounding cementitious matrix, thereby providing an internal curing effect and supporting continued hydration. The proposed system is intended to reduce dependence on naturally sourced aggregates while providing a lightweight concrete with suitable mechanical and durability characteristics. The developed concrete can be evaluated for density, compressive strength, tensile strength, flexural strength, water absorption, and other relevant performance parameters. The performance of the recycled AAC debris-based concrete can be compared with conventional concrete to determine its mechanical, curing, durability, and sustainability benefits. The invention also contributes to construction-waste management by converting discarded AAC debris into a value-added construction material. Accordingly, the proposed system integrates AAC waste recycling, lightweight aggregate utilization, internal curing, resource conservation, and sustainable concrete production in a single construction solution.
Disclaimer: Curated by HT Syndication.
