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Evaluation of Relative Density from In Situ Test Correlations for Cohesionless Gravelly Soils
The SPT N vs. relative density (Dr) correlations for cohesionless soils were examined in detail using available laboratory and field data. For these correlations, corrections are applied to N, giving the recommended normalized value of (N1)60. The Dr is linked to (N1)60 as a function of soil characteristics that include the particle size, aging, and overconsolidation. Three correction factors for sandy soils were found to be appropriate for a wider range of soils, up to gravelly soils with D50 at least on the order of 5-10 mm. Use of the large penetration test (LPT) could extend these correlations to larger sizes.
Evaluation of Relative Density from In Situ Test Correlations for Cohesionless Gravelly Soils
The SPT N vs. relative density (Dr) correlations for cohesionless soils were examined in detail using available laboratory and field data. For these correlations, corrections are applied to N, giving the recommended normalized value of (N1)60. The Dr is linked to (N1)60 as a function of soil characteristics that include the particle size, aging, and overconsolidation. Three correction factors for sandy soils were found to be appropriate for a wider range of soils, up to gravelly soils with D50 at least on the order of 5-10 mm. Use of the large penetration test (LPT) could extend these correlations to larger sizes.
Evaluation of Relative Density from In Situ Test Correlations for Cohesionless Gravelly Soils
Chen, Jie-Ru (author) / Kulhawy, Fred H. (author)
Geo-Congress 2014 ; 2014 ; Atlanta, Georgia
2014-02-24
Conference paper
Electronic Resource
English
Evaluation of Relative Density from In Situ Test Correlations for Cohesionless Gravelly Soils
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