MUMBAI, India, Jan. 23 -- Intellectual Property India has published a patent application (202541117158 A) filed by Gokul. A; Mr. Abishek. S; Ms. Pavithra. S; Mr. Ragul Dhanesh. D; Ms. Sudhi Sri. P; and M Thilak. R, Coimbatore, Tamil Nadu, on Nov. 26, 2025, for 'comparison the different types of soil and their properties.'
Inventor(s) include Mr. Gokui. A; Mr. Abishek. S; Ms. Pavithra. S; Mr. Ragul Dhanesh. D; Ms. Sudhi Sri. P; and Mt Thilak. R.
The application for the patent was published on Jan. 23, under issue no. 04/2026.
According to the abstract released by the Intellectual Property India: "This invention relates to a comprehensive analytical framework for comparing the major soil types encountered in civil engineering, agricultural development, and geotechnical design. The study establishes a standardized methodology for evaluating sand, silt, clay, loam, laterite, and black cotton soil based on quantifiable engineering, physical, chemical, and mechanical characteristics. The comparative assessment utilizes parameters such as grain size distributlol1, Atrel'be1 g limits, permeability, shrink-swell characteristics, compaction behavior, unconfined compressive strength, shear strength, California Bearing Ratio (CBR), specific gravity, and moisture-density relationships. These parameters are measured using recognized geotechnical procedures including sieve analysis, hydrometer analysis, Proctor compaction, direct shear testing, liquid limit/plastic limit tests, and consolidation tests. The results demonstrate that sand, characterized by large particle sizes and negligible plasticity, provides high permeability, low compressibility, and excellent drainage capacity, making it suitable for foundation bases and backfilling. Silt, with intermediate particle size, exhibits moderate compressibility and poor drainage, making it prone to liquefaction under dynamic loading. Clay, composed of tine particles and high plasticity index, displays very high compressibility, significant swelling and shrinkage behavior, low permeability, and high cohesion. which can create challenges in structural stability and settlement.. -Loam, a balanced mixture of sand, silt and clay, demonstrates optimal workability and nutrient retention, ~ making it agriculturally ideal while moderately suitable for construction when compacted. Lateritic soils, D.. enriched with iron and aluminum oxides due to tropical weathering, possess strong bonding, good bearing .-.!!! capacity, and moderate plasticity, but their moisture-sensitivity requires stabilization in engineering -i= applications. Black cotton soil, dominated by montmorillonite clay minerals, shows extreme swelling, N shrinkage, and low load-bearing capacity, making it one of the most problematic foundation soils unless E treated with lime or cement. This comparative framework provides a scientifically validated basis for soil classification, prediction of CIO 1...1.'.) engineering behavior, and selection of soil-improvement techniques. It enables engineers, planners, and .r.-.-. designers to identify the most suitable soil type for construction, infrastructure projects, and sustainable .....-. land use applications. The findings support the development of improved stabilization methods, foundation -::1' strategies, and risk-mitigation plans, thus contributing to enhanced safety, cost efficiency, and reliability in 1.1') N geotechnical engineering practices."
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