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<p>Understanding the effect of using lime on the strength properties of aeolian sands provides valuable information for improving the quality of these soils. In this study, a series of uniaxial compressive strength (UCS) and direct shear tests were carried out on some aeolian sands. These sands were improved with different percentages of lime (2, 4, 6, 8, and 10 wt%) at different curing times (1, 7, 28, and 60 days). The UCS of the samples was investigated in two separate states (slurry and powder). Regarding the obtained UCS results, only the powder state was used for performing the direct shear test. The major findings of this study are threefold: First, adding lime to aeolian sands at different percentages increases its strength parameters. Second, adding lime powder gives much better results in enhancing the UCS of these materials than adding lime slurry. Third, curing time plays a crucial role in improving the strength properties of lime-improved aeolian sand. Overall, it is concluded that the use of lime is a good option for aeolian sand improvement with low compressive and shear strengths.</p>

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Effect of the time factor and lime state on strength properties of the aeolian sand improved with different percentages of lime

  • 期刊论文

  • 发表日期：

    2026年4月29日

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  • Mohammad Javad Kalantar Hormozi,
  • Rassoul Ajalloeian,
  • Zeinab Jorkesh,
  • Meysam Rezaei

摘要

Understanding the effect of using lime on the strength properties of aeolian sands provides valuable information for improving the quality of these soils. In this study, a series of uniaxial compressive strength (UCS) and direct shear tests were carried out on some aeolian sands. These sands were improved with different percentages of lime (2, 4, 6, 8, and 10 wt%) at different curing times (1, 7, 28, and 60 days). The UCS of the samples was investigated in two separate states (slurry and powder). Regarding the obtained UCS results, only the powder state was used for performing the direct shear test. The major findings of this study are threefold: First, adding lime to aeolian sands at different percentages increases its strength parameters. Second, adding lime powder gives much better results in enhancing the UCS of these materials than adding lime slurry. Third, curing time plays a crucial role in improving the strength properties of lime-improved aeolian sand. Overall, it is concluded that the use of lime is a good option for aeolian sand improvement with low compressive and shear strengths.