Olivine for soil stabilization

The aim of this paper is to review the potential capability of olivine as a new binder for soil stabilization. The recent research shows that using environmental friendly materials for soil stabilization is expanding. The increasing amount of greenhouse gasses (GHG) such as CO2 has also instigated research into finding environmentally friendly materials for soil stabilization. For quite some time, cement is one of the well-known binders in soil stabilization, but it releases high amount of CO2, and energy consumption of cement have caused civil engineers to use some other materials or by-products to fully or partially replace cement for soil stabilization. Recently, alkaline activation process in soil stabilization is an interesting option at medium-term to fully eliminate traditional cementitious binders such as cement and lime. Olivine is a well-known material for CO2 sequestration. Furthermore, the high amount of SiO2, Al2O3 and Fe2O3 in olivine could classify this mineral as a pozzolanic material in soil stabilization.

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