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Effect of Hydrated Lime Stabilization on Consistency, Shear Strength and Compaction Properties of Sulaimani CL Soil
  • Nihad Salih,
  • Tavga Aram Abdalla
Nihad Salih

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Tavga Aram Abdalla
University of Sulaimani
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Cohesive soils present difficulties in construction projects because of usually contain expansive clay minerals. However, the engineering properties of soils can be stabilized by different techniques. The aim of the research is to discover the influences of using hydrated lime on the consistency, compaction, and shear strength properties of clayey soil samples from Sulaimnai city, northern Iraq. The proportions of added hydrated lime are 0%, 2.5%, 5%, 7.5% and 10% to the untreated soil sample. The results showed significant effects on the engineering properties of the selected soil sample and developed its strength. The soil’s liquid limit, plasticity index, and optimum moisture content were decreased with the increase of hydrated lime percent. While the soil’s plastic limit and maximum dry density were increased. Also, the soil’s unconfined compressive strength was significantly increased with the hydrated lime content increase. Hence, hydrated lime is successful and can be considered as an effective material to improve the strength and consistency properties of the cohesive soils in Sulaimani city.