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Geotechnical site characterization of the Lake Urmia super-soft sediments using laboratory and CPTu records
Comprehensive study has been carried out in the clay deposits in the middle part of the Lake Urmia. A causeway over this lake was constructed to connect the eastern area of the lake to the western area and Europe in the middle part of the lake. Geotechnical properties were obtained from laboratory (classification, unit weight of the soil and undrained shear strength) tests. Moreover, using CPTu test results, the classification of sediments, together with unit weight of the soil and undrained shear strength were determined. According to the research results, the sediments of the Lake Urmia are super soft and sensitive. Geotechnical parameters obtained from laboratory and CPTu approaches were compared and evaluated in this study. According to the research findings, although the extracted geotechnical parameters of both methods follow a similar trend by increasing depth in most cases, there were slight differences in values. CPTu correlations are fundamental for a proper geotechnical site characterization and in such cases because of the difficulties for obtaining high-quality undisturbed samples in super-soft and sensitive sediments, it is very important and suggested to compare and join the geotechnical parameters of these two approaches for engineering judgment and engineering design.
Geotechnical site characterization of the Lake Urmia super-soft sediments using laboratory and CPTu records
Comprehensive study has been carried out in the clay deposits in the middle part of the Lake Urmia. A causeway over this lake was constructed to connect the eastern area of the lake to the western area and Europe in the middle part of the lake. Geotechnical properties were obtained from laboratory (classification, unit weight of the soil and undrained shear strength) tests. Moreover, using CPTu test results, the classification of sediments, together with unit weight of the soil and undrained shear strength were determined. According to the research results, the sediments of the Lake Urmia are super soft and sensitive. Geotechnical parameters obtained from laboratory and CPTu approaches were compared and evaluated in this study. According to the research findings, although the extracted geotechnical parameters of both methods follow a similar trend by increasing depth in most cases, there were slight differences in values. CPTu correlations are fundamental for a proper geotechnical site characterization and in such cases because of the difficulties for obtaining high-quality undisturbed samples in super-soft and sensitive sediments, it is very important and suggested to compare and join the geotechnical parameters of these two approaches for engineering judgment and engineering design.
Geotechnical site characterization of the Lake Urmia super-soft sediments using laboratory and CPTu records
Eslami, Abolfazl (author) / Akbarimehr, Davood (author) / Aflaki, Esmail (author) / Hajitaheriha, Mohammad Mahdi (author)
Marine Georesources & Geotechnology ; 38 ; 1223-1234
2020-11-25
12 pages
Article (Journal)
Electronic Resource
English
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