Use of Lignin, Waste Tire Rubber, and Waste Glass for Soil Stabilization

The complex interactions between soil and additives such as lignin, glass powder, and rubber tires were investigated using principles of material and soil mechanics. Previous research has mainly focused on individual additives in clay soils. In contrast, this study investigates soil improvement with...

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Bibliographic Details
Published in:Applied sciences 2024-09, Vol.14 (17), p.7532
Main Authors: Gücek, Süleyman, Gürer, Cahit, Žlender, Bojan, Taciroğlu, Murat V, Korkmaz, Burak E, Kürşat Gürkan, Bračko, Tamara, Borut Macuh, Varga, Rok, Jelušič, Primož
Format: Article
Language:English
Subjects:
Air pollution
Cement
Construction
Environmental impact
hybrid waste usage
Industrial wastes
Investigations
Lignin
Mechanical properties
Outdoor air quality
Physical properties
Rubber
Shear strength
soil stabilization
Soils
tire rubber waste
Tires
waste glass
Waste materials
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Summary:The complex interactions between soil and additives such as lignin, glass powder, and rubber tires were investigated using principles of material and soil mechanics. Previous research has mainly focused on individual additives in clay soils. In contrast, this study investigates soil improvement with two different types of waste materials simultaneously. The improvement of soil properties by hybrid waste materials was evaluated using several laboratory tests, including the standard Proctor test, the unconfined compressive strength test, the California Bearing Ratio (CBR) test, and cyclic triaxial tests. The aim of this research is to identify key parameters for the design and construction of road pavements and to demonstrate that improving the subgrade with hybrid waste materials contributes significantly to the sustainability of road construction. The mechanical and physical properties were evaluated in detail to determine the optimal mixtures. The results show that the most effective mixture for the combination of waste glass powder and rubber tires contains 20% glass powder and 3% rubber tires, based on the dry weight of the soil. For the combination of waste glass powder and lignin, the optimum mixture consists of 15% glass powder and 15% lignin, based on the dry weight of the soil. These results provide valuable insights into the sustainable use of waste materials for soil stabilization in road construction projects.
ISSN:2076-3417
DOI:10.3390/app14177532