https://orcid.org/0009-0005-1735-159X
Abstract
Predicting the stress–strain behavior of unsaturated soils is essential for determining yield stress. This paper explores a new method for determining the yield stress of unsaturated soils from the lateral pressure curve. A series of earth pressure at rest (K0) ondometer tests were conducted on unsaturated Yangqin silt clay. Lateral stress was obtained under different saturations and compactness. The relationship curves between lateral and vertical net stress were drawn for each condition. An obvious turning point was observed in the curve, which can be used to determine the yield stress. The oedometer tests were conducted, and the Casagrande and the bilogarithmic methods were used for comparison purposes. The difference between the proposed and traditional methods was less than 17 %. The initial saturation and compactness influence on the yield stress was discussed. The yield stress increased with the decrease in saturation and increases in compactness, which is consistent with that of the classic method. The test results and comparison prove the rationality of the proposed method. No coordinate transformation is required in the proposed method, which is more convenient for data processing. It can be used to determine the yield stress of unsaturated soils from another perspective.
Issue Section:
Technical Notes
References
1.
Addis
, M. A.
“Mechanisms of Sediment Compaction Responsible for Oil Field Subsidence
.” PhD diss., University of London
, 1987
.2.
Alonso
, E. E.
, Gens
A.
, and Josa
A.
. 1990
. “A Constitutive Model for Partially Saturated Soils
.” Géotechnique
40
, no. 3
(September): 405
–430
. https://doi.org/10.1680/geot.1990.40.3.4053.
Andresen
, A.
, Berre
T.
, Kleven
A.
, and Lunne
T.
. 1979
. “Procedures Used to Obtain Soil Parameters for Foundation Engineering in the North Sea
.” Marine Geotechnology
3
, no. 3
(January): 201
–266
. https://doi.org/10.1080/106411979093798044.
Becker
, D. E.
, Crooks
J. H. A.
, Been
K.
, and Jefferies
M. G.
. 1987
. “Work as a Criterion for Determining In Situ and Yield Stresses in Clays
.” Canadian Geotechnical Journal
24
, no. 4
(November): 549
–564
. https://doi.org/10.1139/t87-0705.
Bjerrum
, L.
and Wu
T.-H.
. 1960
. “Fundamental Shear-Strength Properties of the Lilla Edet Clay
.” Géotechnique
10
, no. 3
(September): 101
–109
. https://doi.org/10.1680/geot.1960.10.3.1016.
Boone
, S. J.
2010
. “A Critical Reappraisal of ‘Preconsolidation Pressure’ Interpretations Using the Oedometer Test
.” Canadian Geotechnical Journal
47
, no. 3
(February): 281
–296
. https://doi.org/10.1139/T09-0937.
Burland
, J. B.
1990
. “On the Compressibility and Shear Strength of Natural Clays
.” Géotechnique
40
, no. 3
(September): 329
–378
. https://doi.org/10.1680/geot.1990.40.3.3298.
Butterfield
, R.
1979
. “A Natural Compression Law for Soils
.” Géotechnique
29
, no. 4
(December): 469
–480
. https://doi.org/10.1680/geot.1979.29.4.4699.
Casagrande
, A.
1936
. “The Determination of the Pre-consolidation Load and Its Practical Significance
.” In Proceedings of the First International Soil Mechanics and Foundation Engineering Conference
, 70
–78
. Cambridge, MA: Harvard University
.10.
Cui
, Y. J.
and Delage
P.
. 1996
. “Yielding and Plastic Behaviour of an Unsaturated Compacted Silt
.” Géotechnique
46
, no. 2
(June): 291
–311
. https://doi.org/10.1680/geot.1996.46.2.29111.
Fischer
, K. P.
, Andersen
K. H.
, and Moum
J.
. 1978
. “Properties of an Artificially Cemented Clay
.” Canadian Geotechnical Journal
15
, no. 3
(August): 322
–331
. https://doi.org/10.1139/t78-03012.
Gens
, A.
, Sánchez
M.
, and Sheng
D.
. 2006
. “On Constitutive Modelling of Unsaturated Soils
.” Acta Geotechnica
1
, no. 3
(December): 137
–147
. https://doi.org/10.1007/s11440-006-0013-913.
Grozic
, J. L. H.
, Lunne
T.
, and Pande
S.
. 2003
. “An Oedometer Test Study on the Preconsolidation Stress of Glaciomarine Clays
.” Canadian Geotechnical Journal
40
, no. 5
(October): 857
–872
. https://doi.org/10.1139/t03-04314.
Gu
, X.
, Hu
J.
, and Huang
M.
. 2015
. “K0 of Granular Soils: A Particulate Approach
.” Granular Matter
17
, no. 6
(December): 703
–715
. https://doi.org/10.1007/s10035-015-0588-715.
Gutierrez
, M.
, Nygård
R.
, Høeg
K.
, and Bette
T.
. 2008
. “Normalized Undrained Shear Strength of Clay Shales
.” Engineering Geology
99
, nos. 1–2
(June): 31
–39
. https://doi.org/10.1016/j.enggeo.2008.02.00216.
Janbu
, N.
1969
. “The Resistance Concept Applied to Deformation of Soils
.” In Proceedings of the Seventh International Soil Mechanics and Foundation Engineering Conference
, 191
–196
. Mexico City, Mexico: Soil Mechanics and Foundation Engineering
.17.
Lirer
, S.
, Flora
A.
, and Nicotera
M. V.
. 2011
. “Some Remarks on the Coefficient of Earth Pressure at Rest in Compacted Sandy Gravel
.” Acta Geotechnica
6
, no. 1
(March): 1
–12
. https://doi.org/10.1007/s11440-010-0131-218.
Liu
, J.-X.
, Xiao
F.
, Liu
W.
, Gan
J.-J.
, Huo
L.
, and Mao
H.-J.
. 2018
. “Investigation on the Experimental Determination of the Apparent Preconsolidation Stress and Effective-Sealing Condition for Clay Cap Rock
.” Arabian Journal of Geosciences
11
, no. 17
(September): 491. https://doi.org/10.1007/s12517-018-3844-419.
Mesri
, G.
and Hayat
T. M.
. 1993
. “The Coefficient of Earth Pressure at Rest
.” Canadian Geotechnical Journal
30
, no. 4
(August): 647
–666
. https://doi.org/10.1139/t93-05620.
Mu
, Q. Y.
, Zhou
C.
, and Ng
C. W. W.
. 2020
. “Compression and Wetting Induced Volumetric Behavior of Loess: Macro- and Micro-investigations
.” Transportation Geotechnics
23
: 100345. https://doi.org/10.1016/j.trgeo.2020.10034521.
Onitsuka
, K.
, Hong
Z.
, Hara
Y.
, and Yoshitake
S.
. 1995
. “Interpretation of Oedometer Test Data for Natural Clays
.” Soil and Foundation
35
, no. 3
(September): 61
–70
. https://doi.org/10.3208/sandf.35.6122.
Sheng
, D.
2011
. “Review of Fundamental Principles in Modelling Unsaturated Soil Behaviour
.” Computers and Geotechnics
38
, no. 6
(September): 757
–776
. https://doi.org/10.1016/j.compgeo.2011.05.00223.
Soltani
, A.
, Deng
A.
, Taheri
A.
, Sridharan
A.
, and Estabragh
A. R.
. 2018
. “A Framework for Interpretation of the Compressibility Behavior of Soils
.” Geotechnical Testing Journal
41
, no. 1
(January): 1
–16
. https://doi.org/10.1520/GTJ2017008824.
Sridharan
, A.
, Abraham
B. M.
, and Jose
B. T.
. 1991
. “Improved Technique for Estimation of Preconsolidation Pressure
.” Géotechnique
41
, no. 2
(June): 263
–268
. https://doi.org/10.1680/geot.1991.41.2.26325.
Talesnick
, M.
, Nachum
S.
, and Frydman
S.
. 2021
. “K0 Determination Using Improved Experimental Technique
.” Géotechnique
71
, no. 6
(June): 509
–520
. https://doi.org/10.1680/jgeot.19.P.01926.
Wang
, L. B.
and Frost
J. D.
. 2004
. “Dissipated Strain Energy Method for Determining Preconsolidation Pressure
.” Canadian Geotechnical Journal
41
, no. 4
(August): 760
–768
. https://doi.org/10.1139/t04-01327.
Wheeler
, S. J.
and Sivakumar
V.
. 1995
. “An Elasto-plastic Critical State Framework for Unsaturated Soil
.” Géotechnique
45
, no. 1
(March): 35
–53
. https://doi.org/10.1680/geot.1995.45.1.3528.
Zhang
, X.
, Alonso
E. E.
, and Casini
F.
. 2016
. “Explicit Formulation of At-Rest Coefficient and Its Role in Calibrating Elasto-plastic Models for Unsaturated Soils
.” Computers and Geotechnics
71
: 56
–68
. https://doi.org/10.1016/j.compgeo.2015.08.01229.
Zhou
, A.
, Sheng
D.
, Sloan
S. W.
, and Gens
A.
. 2012
. “Interpretation of Unsaturated Soil Behaviour in the Stress – Saturation Space, I: Volume Change and Water Retention Behaviour
.” Computers and Geotechnics
43
: 178
–187
. https://doi.org/10.1016/j.compgeo.2012.04.01030.
Zhu
, J.-G.
, Jiang
M.-J.
, Lu
Y.-Y.
, Guo
W.-L.
, and Zhang
B.
. 2018
. “Experimental Study on the K0 Coefficient of Sandy Gravel under Different Loading Conditions
.” Granular Matter
20
, no. 3
(August): 40. https://doi.org/10.1007/s10035-018-0814-1
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