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Effect of Soil Grain Size on Liquefaction Strength of Sandy Soil
https://orcid.org/http://orcid.org/0000-0002-8852-2596
https://orcid.org/http://orcid.org/0000-0002-1706-3599
This study is focused on estimating the difference in behavior between three soils: natural, medium and fine sand. Strain-controlled cyclic triaxial tests were conducted on all three types of soils. Samples were prepared using air pluviation method, and soil relative density was controlled between 10 and 20% (loose soil). The medium sand was considered as base case with a frequency of 0.5 Hz, axial strain of 0.5 mm and effective confining pressure of 100 kPa. The axial strains (0.1–1 mm) was also varied to find out the effect of various strain levels on excess pore water pressure generation and degradation of soil strength during cyclic loading. From the results, it can be concluded that the excess pore water pressure generation was much faster in fine sand than that in medium sand. This ultimately causes degradation of liquefaction strength at much faster rate in fine sand compared to that in medium sand.
Effect of Soil Grain Size on Liquefaction Strength of Sandy Soil
https://orcid.org/http://orcid.org/0000-0002-8852-2596
https://orcid.org/http://orcid.org/0000-0002-1706-3599
This study is focused on estimating the difference in behavior between three soils: natural, medium and fine sand. Strain-controlled cyclic triaxial tests were conducted on all three types of soils. Samples were prepared using air pluviation method, and soil relative density was controlled between 10 and 20% (loose soil). The medium sand was considered as base case with a frequency of 0.5 Hz, axial strain of 0.5 mm and effective confining pressure of 100 kPa. The axial strains (0.1–1 mm) was also varied to find out the effect of various strain levels on excess pore water pressure generation and degradation of soil strength during cyclic loading. From the results, it can be concluded that the excess pore water pressure generation was much faster in fine sand than that in medium sand. This ultimately causes degradation of liquefaction strength at much faster rate in fine sand compared to that in medium sand.
Effect of Soil Grain Size on Liquefaction Strength of Sandy Soil
https://orcid.org/http://orcid.org/0000-0002-8852-2596
https://orcid.org/http://orcid.org/0000-0002-1706-3599
This study is focused on estimating the difference in behavior between three soils: natural, medium and fine sand. Strain-controlled cyclic triaxial tests were conducted on all three types of soils. Samples were prepared using air pluviation method, and soil relative density was controlled between 10 and 20% (loose soil). The medium sand was considered as base case with a frequency of 0.5 Hz, axial strain of 0.5 mm and effective confining pressure of 100 kPa. The axial strains (0.1–1 mm) was also varied to find out the effect of various strain levels on excess pore water pressure generation and degradation of soil strength during cyclic loading. From the results, it can be concluded that the excess pore water pressure generation was much faster in fine sand than that in medium sand. This ultimately causes degradation of liquefaction strength at much faster rate in fine sand compared to that in medium sand.
Effect of Soil Grain Size on Liquefaction Strength of Sandy Soil
Lecture Notes in Civil Engineering
Latha Gali, Madhavi (Herausgeber:in) / Raghuveer Rao, P. (Herausgeber:in) / Chakrabortty, Pradipta (Autor:in) / Das, Angshuman (Autor:in) / Anil (Autor:in)
14.08.2020
16 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
Strain-controlled test , Cyclic triaxial , Grain size distribution parameters , Dynamic behavior , Mean grain size Engineering , Geoengineering, Foundations, Hydraulics , Geotechnical Engineering & Applied Earth Sciences , Soil Science & Conservation , Building Construction and Design , Solid Construction
Effect of Soil Grain Size on Liquefaction Strength of Sandy Soil
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