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1- Sahand University of Technology (SUT), Tabriz
2- Sahand University of Technology (SUT), Tabriz ,m.emami@sut.ac.ir
2- Sahand University of Technology (SUT), Tabriz ,
Abstract: (7 Views)
Aeolian sands in arid and semi-arid regions are considered problematic soils due to their loose structure, low bearing capacity, and difficult compaction. The dry climatic conditions of Iran and phenomena such as the desiccation of Lake Urmia have intensified the dispersion of saline sands. One of the common approaches to mitigate these issues is chemical stabilization using additives such as cement. This study investigates the effect of stabilizing saline aeolian sands collected from the Lake Urmia basin using Type I Portland cement. Stabilized soil specimens were prepared with varying levels of salinity and different cement contents, and were subjected to unconfined compressive strength testing after a curing period of 7 days. The results demonstrated that increasing the cement content significantly enhances compressive strength. Moreover, the presence of salt in the studied soil did not hinder the stabilization process; instead, it contributed to improved strength in the short term. These findings underscore the importance of considering both the type and concentration of salts when designing stabilization treatments for saline granular soils in arid and semi-arid climates.
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