Improving the mechanical properties of sandy soil using nano-organic carbon manufactured from corn plant residues
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The use of nanomaterials in soil improvement is a significant development in the field of geotechnical engineering, contributing to increased soil strength, reduced settlement, and improved structural stability. Despite some challenges, ongoing advances in nanotechnology will make this technology more efficient and economical in the future, paving the way for its wider use in infrastructure and sustainable development projects. Ball milling produces nanobiochar, while pyrolysis has more significant applications than biochar. Biochar is a carbonaceous material produced by anaerobic digestion of organic matter in the absence of oxygen (pyrolysis) or partial presence of oxygen (gasification). The case study aims to study some of the physical properties of sandy soil in the Ramla area in Al-Alam city, Salah Al-Din Governorate, for the purpose of knowing the properties of this soil and studying the possibility of improving these properties by using nanomaterials, which were biochar manufactured from straw and corn plant residues manufactured by pyrolysis at a temperature of 200-250 degrees Celsius. In closed ovens isolated from oxygen to increase the organic content of nano-charcoal. The results obtained have proven that the addition of biochar significantly enhances the effectiveness of organic soil but has a slight effect on the properties of sandy soil. The addition of charcoal to sandy soil led to a slight increase in the Atterberg limits and a decrease in the relative density and specific density of the soil during the study period of 3 months.
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