EVALUATION OF LIQUEFACTION RESISTANCE OF SAND IMPROVED BY DEEP VIBRATORY COMPACTION

High-quality undisturbed samples of sand that had been compacted by a vibratory sand compaction pile method were obtained by in situ freezing. Undrained cyclic triaxial tests were conducted on specimens prepared from the samples after they had been thawed, saturated and consolidated. The relationshi...

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Bibliographic Details
Published inSOILS AND FOUNDATIONS Vol. 30; no. 3; pp. 153 - 158
Main Authors TOKIMATSU, KOHJI, YOSHIMI, YOSHIAKI, ARIIZUMI, KOZO
Format Journal Article
LanguageEnglish
Published Tokyo The Japanese Geotechnical Society 01.09.1990
Japanese Geotechnical Society
Subjects
Applied sciences
Buildings. Public works
Earth sciences
Earth, ocean, space
Engineering and environment geology. Geothermics
Engineering geology
Exact sciences and technology
Geotechnics
shear strength (IGC : D7/C6/K5)
Stabilization. Consolidation
Vibration
Liquefaction
Earthquakes
Undrained soil test
Compaction
Penetration tests
Strength
Correlation
Sand
Laboratory test
Penetration test
Dynamic compaction
Triaxial test
Sampling
Freezing
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Summary:High-quality undisturbed samples of sand that had been compacted by a vibratory sand compaction pile method were obtained by in situ freezing. Undrained cyclic triaxial tests were conducted on specimens prepared from the samples after they had been thawed, saturated and consolidated. The relationship between the liquefaction resistance of the specimens and the SPT N-values corrected for a vertical effective stress of 1 kgf/cm2 (98 kPa), N1, is consistent with that for natural deposits of clean sands, over a range of N1 between 21 and 28. It is concluded, therefore, that the liquefaction resistance of compacted sands can be evaluated on the basis of N1 using the relationship established for natural sand deposits.
ISSN:0385-1621
0038-0806
DOI:10.3208/sandf1972.30.3_153