The Application of Olivine for Surface Stabilization of Soils Susceptible to Wind Erosion

Alkali-activation materials (AAM) has been used to produce inorganic cements for over a century, as a means of valorizing wastes or industrial by-products derived from different commercial activities. Due to their potential benefits, researches have been focusing on its application as soil stabilizers. Among AAM, olivine was mentioned as the most influential one. Therefore, the current study reviews the potential application of olivin in geotechnical engineering by considering its application for sand movements mitigation due to wind erosion. However, in order to obtain the environmental aims, it is essential to use activators that were produced cleanly and sustainably in which two various activator have been used. The results of the present study indicated the UCS increment of soil samples treated using NaOH compared to KOH by the rate of ۴۴ to ۶۰% after ۲۸ days. Moreover, raising the percent of olivine by the rate of ۲, resulted in the UCS of samples to be increased by more than ۵۰ percent. Hence, due to the regulations of the Department of the environment by minimum strength of the stabilizers to be more than ۲۰۰Kpa, the application of olivine was recommended to combat wind erosion.

کلیدواژه ها:

Olivin ، Surface stabilization ، sustainability ، Wind erosion.