A Review of Sustainable Materials to Improve Geotechnical Properties of Soils

Accepted: 14th Aug. 2020 Abstract Most of the soils suffered from significant geotechnical problems dependent on factors like the type of soil, soil composition and mineralogy. Especially, the problems related to mechanical and physical properties of soils. Several studies have been used to mitigate the adverse effects of soils through using either additive conventional materials such as cement, lime or these soils blending with produced material and chemical materials. Recently, additives from industrial, agricultural, domestic, and mineral wastes have been used to improve soils. According to literatures, such wastes have been classified as sustainable materials. This paper focuses on stabilizing or improving different soils using sustainable materials. These materials provided engineering and economic benefits through improving the geotechnical properties of soil. According to the results of this review, the effect of different sustainable materials on compaction characteristics, California bearing ratio and unconfined compressive strength have been studied and discussed in this paper.