Effect of Recycled Glass Powder on Dispersivity Potential and Geotechnical Parameters of Dispersive Soils
The presence of dispersion in clays affects the behavior of these types of soils. Experience has shown that not paying attention to this issue has created many problems for civil projects and even led to their destruction in some cases. In the past, it was recommended not to use divergent soils, but today, due to the expansion of civil projects and the possibility of dealing with these types of soils, it is very important to investigate their behavior and find appropriate methods of improvement. Ibrahim et al. (2021) conducted a laboratory study on clay with different percentages of glass powder. They concluded that the maximum dry density and unconfined compression strength of modified soils increase with the increase in glass powder ratio. Different combinations of glass powder and cement were evaluated for silt stabilization according to different curing times. The results have shown that the durability and compressive strength of the modified soil increases with increasing curing time period (Baldovino et al., 2020). Using recycled glass powder can be an effective way to improve the geotechnical properties of soils due to its economic nature and its role as a recycled material in reducing environmental problems. Even though the effect of using glass powder in improving the resistance properties of soils has been investigated by researchers, the use of glass powder and its effect in improving problematic soils, especially dispersive clays, have not been specifically studied. Therefore, the purpose of this research is to investigate the effect of adding recycled glass powder on reducing the dispersivity potential of clay soils and improving their geotechnical properties.
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