On Empirical Correlations for Normalised Shear Strengths from Fall Cone and Direct Simple Shear Tests in Soft Swedish Clays

被引：1

作者：

Hov, Solve ^{[1
,2
]}

Prastings, Anders ^{[3
]}

Persson, Erik ^{[4
]}

Larsson, Stefan ^{[3
]}

机构：

[1] GeoMind, Hesselmans Torg 5, S-13154 Nacka, Sweden

[2] Norwegian Geotechn Inst NGI, Hogskoleringen 9, N-7034 Trondheim, Norway

[3] KTH Royal Inst Technol, Dept Civil & Architectural Engn, Stockholm, Sweden

[4] Bjerking, Stockholm, Sweden

来源：

GEOTECHNICAL AND GEOLOGICAL ENGINEERING | 2021年 / 39卷 / 07期

关键词：

Undrained shear strength; Fall cone tests; Direct simple shear tests; Empirical correlations;

D O I：

10.1007/s10706-021-01797-w

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

Empirical correlations provide valuable information in early design stages, and they help to validate or discard single values from site investigations. This paper presents a multivariate database from commercial projects consisting of evaluated shear strengths obtained from direct simple shear tests and fall cone tests (which are calibrated to the field vane test), including index tests. The multivariate database is used to investigate the performance of common transformation models and to test the recommended correction for fall cone tests. It is found that the measured normalised shear strength evaluated from direct simple shear tests and fall cone tests is correlated to the liquid limit and that the results conform to Swedish and Norwegian recommendations. However, the scatter is large, more for fall cone tests than for direct simple shear tests, which is thought to depend mainly on sample disturbance. It can however be concluded that the trend of normalised shear strengths increases with increasing plasticity.

引用

页码：4843 / 4854

页数：12

共 15 条

[1] On Empirical Correlations for Normalised Shear Strengths from Fall Cone and Direct Simple Shear Tests in Soft Swedish Clays
Sölve Hov
Anders Prästings
Erik Persson
Stefan Larsson
Geotechnical and Geological Engineering, 2021, 39 : 4843 - 4854
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Bhaumik, Lopamudra
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GEOTECHNICAL EARTHQUAKE ENGINEERING AND SOIL DYNAMICS V: SLOPE STABILITY AND LANDSLIDES, LABORATORY TESTING, AND IN SITU TESTING, 2018, (293): : 122 - 131
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Electronic Journal of Geotechnical Engineering, 2014, 19 (0Z): : 9023 - 9039
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Zhang, Yaguo
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MARINE GEORESOURCES & GEOTECHNOLOGY, 2017, 35 (01) : 80 - 88
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Ma, Hongliang
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INTERNATIONAL JOURNAL OF GEOMECHANICS, 2017, 17 (09)

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