Peat lands cover large areas around the world in several countries, such as Canada, the United States, Malaysia, Finland and others. As the World population increases, land developers have increased their demand for land for future development. As a consequence, engineers are forced to find ways to treat peatland areas to make them suitable for construction purposes. Soil stabilization is a method that is relatively more economic than other methods in treating peaty soils. Soil stabilization is a process that enhances the properties of soils by altering their physical and chemical characteristics. Stabilization is still used as the most economic and efficient method to improve soil characteristics. This study investigated the various waste materials used in the sustainable stabilization of peat and other soil types. Based on the findings, it is suggested that the engineering properties of stabilized peat need to be further investigated. Since eggshell powder is a waste that is predominant almost everywhere, it is further suggested that the leaching, shear, compaction and consolidation properties of peat-eggshell powder matrices need to be studied. © 2023, Canadian Society for Civil Engineering.
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