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Relationships between Shear Strength Parameters with Mineralogy and Index Properties of Compacted, Unsaturated Soils

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24 mar 2025

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Lal, R. Ed., 2006. Encyclopedia of soil science (No. 11). CRC Press. LalR. Ed. 2006 Encyclopedia of soil science (No. 11) CRC Press Search in Google Scholar

Jones, L.D. and Jefferson, I., 2012. Expansive soils, pp. 413–441. Institute of Civil Engineers Publishing, London. JonesL.D. JeffersonI. 2012 Expansive soils 413 441 Institute of Civil Engineers Publishing London Search in Google Scholar

Fondjo, A.A., 2018. Characterization of swelling stress and soil moisture deficiency relationship for expansive unsaturated soils. Master Dissertation, Department of Civil Engineering, Central University of Technology, Free State. FondjoA.A. 2018 Characterization of swelling stress and soil moisture deficiency relationship for expansive unsaturated soils Master Dissertation, Department of Civil Engineering, Central University of Technology Free State Search in Google Scholar

Fondjo, A.A., 2024. Characterization of the shear stress properties of compacted unsaturated heaving soils. Doctorate Thesis, Department of Civil Engineering, Central University of Technology, Free State. FondjoA.A. 2024 Characterization of the shear stress properties of compacted unsaturated heaving soils Doctorate Thesis, Department of Civil Engineering, Central University of Technology Free State Search in Google Scholar

Fondjo, A.A. and Theron, E., 2020. Assessment of mineral composition of heaving soils using some soil properties. Civil Engineering and Architecture, Vol. 8, No. 4, pp. 619 – 631. DOI: 10.13189/cea.2020.080425 FondjoA.A. TheronE. 2020 Assessment of mineral composition of heaving soils using some soil properties Civil Engineering and Architecture 8 4 619 631 10.13189/cea.2020.080425 Open DOISearch in Google Scholar

Abeb, A.A. and Vermeer, P.A., 2009. Numerical simulation of unsaturated soil behaviour. International Journal of Computer Applications in Technology, Vol. 34, No. 1, pp. 2–12. DOI: 10.1504/IJCAT.2009.022697 AbebA.A. VermeerP.A. 2009 Numerical simulation of unsaturated soil behaviour International Journal of Computer Applications in Technology 34 1 2 12 10.1504/IJCAT.2009.022697 Open DOISearch in Google Scholar

Fondjo, A.A., Theron, E. and Ray, R.P., 2021. Models for predicting the suction of heaving compacted soils using geotechnical properties. 14th Baltic Sea geotechnical conference 2021 Helsinki, Finlande. IOP Conference Series: Earth and Environmental Science, Vol. 727. DOI: 10.1088/1755-1315/727/1/012016 FondjoA.A. TheronE. RayR.P. 2021 Models for predicting the suction of heaving compacted soils using geotechnical properties 14th Baltic Sea geotechnical conference 2021 Helsinki, Finlande IOP Conference Series: Earth and Environmental Science 727 10.1088/1755-1315/727/1/012016 Open DOISearch in Google Scholar

Blight, G.E., 2013. Unsaturated soil mechanics in geotechnical practice. CRC Press. BlightG.E. 2013 Unsaturated soil mechanics in geotechnical practice CRC Press Search in Google Scholar

Fondjo, A.A., Theron, E. and Ray, R.P., 2023. Evaluation of the Unsaturated Shear Strength Parameters of Compacted, Heaving Soil Using Geotechnical Properties. In 8th International Conference on Unsaturated Soils 2023, Milos, Greece. In E3S Web of Conferences 382: 02002. DOI: 10.1051/e3sconf/202338202002 FondjoA.A. TheronE. RayR.P. 2023 Evaluation of the Unsaturated Shear Strength Parameters of Compacted, Heaving Soil Using Geotechnical Properties In 8th International Conference on Unsaturated Soils 2023 Milos, Greece In E3S Web of Conferences 382 02002 10.1051/e3sconf/202338202002 Open DOISearch in Google Scholar

Sailie, E.L. and Bucher, F., 1984. Shear strength properties of tropical black clays. In Regional conference for Africa. Vol. 8, pp. 99–103. SailieE.L. BucherF. 1984 Shear strength properties of tropical black clays In Regional conference for Africa 8 99 103 Search in Google Scholar

Calabresi, G. and Scarpelli, G., 1985. Effects of swelling caused by unloading in over consolidated clays. In International conference on soil mechanics and foundation engineering. Vol. 11, pp. 411–414. CalabresiG. ScarpelliG. 1985 Effects of swelling caused by unloading in over consolidated clays In International conference on soil mechanics and foundation engineering 11 411 414 Search in Google Scholar

Toll, D.G., 1990. A framework for unsaturated soil behaviour. Géotechnique, Vol. 40, No.1, pp. 31–44. DOI: 10.1680/geot.1990.40.1.31 TollD.G. 1990 A framework for unsaturated soil behaviour Géotechnique 40 1 31 44 10.1680/geot.1990.40.1.31 Open DOISearch in Google Scholar

Stark, T.D. and Duncan, J.M., 1992. Mechanisms of strength loss in stiff clays. Journal of Geotechnical Engineering, Vol. 118, No. 6, pp. 976–977. StarkT.D. DuncanJ.M. 1992 Mechanisms of strength loss in stiff clays Journal of Geotechnical Engineering 118 6 976 977 Search in Google Scholar

Chen, Y., Zhao, J. and Hu, X.H., 2012. Research on the shear strength properties of expansive soils. Applied Mechanics and Materials, Vol. 256–259, pp. 287–292. DOI: 10.4028/www.scientific.net/amm ChenY. ZhaoJ. HuX.H. 2012 Research on the shear strength properties of expansive soils Applied Mechanics and Materials 256–259 287 292 10.4028/www.scientific.net/amm Open DOISearch in Google Scholar

Chowdhury, R.H., 2013. Shear strength properties of compacted expansive soils. Master dissertation, University of Regina. ChowdhuryR.H. 2013 Shear strength properties of compacted expansive soils Master dissertation, University of Regina Search in Google Scholar

Domitrović, D. and Zelić, B.K., 2013. The relationship between swelling and shear strength properties of bentonites. In Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering, Paris. pp. 219–222. DomitrovićD. ZelićB.K. 2013 The relationship between swelling and shear strength properties of bentonites In Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering Paris 219 222 Search in Google Scholar

Wang, L.C., Long, W. and Gao, S.J., 2014. Effect of moisture content, void ratio and compacted sand content on the shear strength of remolded unsaturated clay. Electronic Journal of Geotechnical Engineering, Vol. 19, pp. 4413–4426. WangL.C. LongW. GaoS.J. 2014 Effect of moisture content, void ratio and compacted sand content on the shear strength of remolded unsaturated clay Electronic Journal of Geotechnical Engineering 19 4413 4426 Search in Google Scholar

Vanapalli, S.K. and Fredlund, D.G., 2000. Comparison of empirical procedures to predict the shear strength of unsaturated soils using the soil-water characteristic curve. Advances in unsaturated geotechnics, Vol. 99, pp.195–209. VanapalliS.K. FredlundD.G. 2000 Comparison of empirical procedures to predict the shear strength of unsaturated soils using the soil-water characteristic curve Advances in unsaturated geotechnics 99 195 209 Search in Google Scholar

Garven, E.A. and Vanapalli, S.K., 2006. Evaluation of empirical procedures for predicting the shear strength of unsaturated soils. 4th International Conference on Unsaturated Soils, April 2–6, 2006, Arizona, United States. GarvenE.A. VanapalliS.K. 2006 Evaluation of empirical procedures for predicting the shear strength of unsaturated soils 4th International Conference on Unsaturated Soils April 2–6, 2006 Arizona, United States Search in Google Scholar

Escario, V., 1980. Suction controlled penetration and shear tests. In Expansive Soils. Proc.4th international conference on Expansive soils, ASCE, pp. 781–797. EscarioV. 1980 Suction controlled penetration and shear tests In Expansive Soils Proc.4th international conference on Expansive soils ASCE 781 797 Search in Google Scholar

Escario, V., Juca, J.F.T. and Coppe, M.S., 1989. Strength and deformation of partly saturated soils. In Congrès international de mécanique des sols et des travaux de fondations. Vol. 12, pp. 43–46. EscarioV. JucaJ.F.T. CoppeM.S. 1989 Strength and deformation of partly saturated soils In Congrès international de mécanique des sols et des travaux de fondations 12 43 46 Search in Google Scholar

Casagrande, A. and Hirschfeld, R.C., 1960. Stress-deformation and strength characteristics of a clay compacted to a constant dry unit weight, In Research Conference on Shear Strength of Cohesive Soils, ASCE, pp. 359–417. CasagrandeA. HirschfeldR.C. 1960 Stress-deformation and strength characteristics of a clay compacted to a constant dry unit weight In Research Conference on Shear Strength of Cohesive Soils ASCE 359 417 Search in Google Scholar

Zewdie, A., 2004. Investigation in to shear strength characteristics of expansive soil of Ethiopia. Doctoral dissertation, Addis Ababa University. ZewdieA. 2004 Investigation in to shear strength characteristics of expansive soil of Ethiopia Doctoral dissertation, Addis Ababa University Search in Google Scholar

Warkentin, B.P. and Yong, R.N., 1962. Shear strength of montmorillonite and kaolinite related to interparticle forces. In Proceeding the 9th National Conference on Clays and Clay Minerals, pp. 210–218. WarkentinB.P. YongR.N. 1962 Shear strength of montmorillonite and kaolinite related to interparticle forces In Proceeding the 9th National Conference on Clays and Clay Minerals 210 218 Search in Google Scholar

Khalili, N. and Khabbaz, M.H., 1998. A unique relationship for χ for the determination of the shear strength of unsaturated soils. Géotechnique, Vol. 48, No. 5, pp. 681–687. KhaliliN. KhabbazM.H. 1998 A unique relationship for χ for the determination of the shear strength of unsaturated soils Géotechnique 48 5 681 687 Search in Google Scholar

Gan, J.K.M., Fredlund, D.G. and Rahardjo, H., 1988. Determination of the shear strength parameters of an unsaturated soil using the direct shear test. Canadian Geotechnical Journal, Vol. 25, No. 3, pp. 500–510. DOI: 10.1139/t88-055 GanJ.K.M. FredlundD.G. RahardjoH. 1988 Determination of the shear strength parameters of an unsaturated soil using the direct shear test Canadian Geotechnical Journal 25 3 500 510 10.1139/t88-055 Open DOISearch in Google Scholar

Vanapalli, S.K., Fredlund, D.G., Pufahl, D.E. and Clifton, A.W., 1996. Model for the prediction of shear strength with respect to soil suction. Canadian geotechnical journal, Vol. 33, No. 3, pp. 379–392. VanapalliS.K. FredlundD.G. PufahlD.E. CliftonA.W. 1996 Model for the prediction of shear strength with respect to soil suction Canadian geotechnical journal 33 3 379 392 Search in Google Scholar

Tekinsoy, M.A., Kayadelen, C., Keskin, M.S. and Söylemez, M., 2004. An equation for predicting shear strength envelope with respect to matric suction. Computers and Geotechnics, Vol. 31, No. 7, pp. 589–593. TekinsoyM.A. KayadelenC. KeskinM.S. SöylemezM. 2004 An equation for predicting shear strength envelope with respect to matric suction Computers and Geotechnics 31 7 589 593 Search in Google Scholar

Guan, G.S., Rahardjo, H. and Choon, L.E., 2010. Shear strength equations for unsaturated soil under drying and wetting. Journal of Geotechnical and Geoenvironmental Engineering, Vol. 136, No.4, pp. 594–606. GuanG.S. RahardjoH. ChoonL.E. 2010 Shear strength equations for unsaturated soil under drying and wetting Journal of Geotechnical and Geoenvironmental Engineering 136 4 594 606 Search in Google Scholar

Morrow, C.A., Shi, L.Q. and Byerlee, J.D., 1984. Permeability of fault gouge under confining pressure and shear stress. Journal of Geophysical Research: Solid Earth, Vol. 89, No. B5, pp. 3193–3200. DOI: 10.1029/JB089iB05p03193 MorrowC.A. ShiL.Q. ByerleeJ.D. 1984 Permeability of fault gouge under confining pressure and shear stress Journal of Geophysical Research: Solid Earth 89 B5 3193 3200 10.1029/JB089iB05p03193 Open DOISearch in Google Scholar

Escario, V. and Saez, J., 1986. The shear strength of partly saturated soils. Géotechnique, Vol. 36, No. 3, pp. 453–456. DOI: 10.1680/geot.1986.36.3.453 EscarioV. SaezJ. 1986 The shear strength of partly saturated soils Géotechnique 36 3 453 456 10.1680/geot.1986.36.3.453 Open DOISearch in Google Scholar

ASTM., 2014. Standard practices for preserving and transporting soil samples. D4220/D4220-M14 (PA USA: American Society for Testing and Materials). ASTM 2014 Standard practices for preserving and transporting soil samples. D4220/D4220-M14 PA USA American Society for Testing and Materials Search in Google Scholar

SANS., 2010. Determination of the moisture content by oven-drying. SANS 3001 Part GR20 (Pretoria: SABS standards division). SANS 2010 Determination of the moisture content by oven-drying SANS 3001 Part GR20 Pretoria SABS standards division Search in Google Scholar

ASTM., 2004. Standard test methods for particle-size distribution (gradation) of soils using sieve analysis. D6913−04 (PA USA: American Society for Testing and Materials). ASTM 2004 Standard test methods for particle-size distribution (gradation) of soils using sieve analysis D6913−04 PA USA American Society for Testing and Materials Search in Google Scholar

ASTM., 2016. Standard test method for particle-size distribution (gradation) of fine-grained soils using the sedimentation (hydrometer) analysis. D7928-16 (PA USA: American Society for Testing and Materials). ASTM 2016 Standard test method for particle-size distribution (gradation) of fine-grained soils using the sedimentation (hydrometer) analysis D7928-16 PA USA American Society for Testing and Materials Search in Google Scholar

ASTM., 2014. Standard test method for the specific gravity of soils. D854-14 (PA USA: American Society for Testing and Materials). ASTM 2014 Standard test method for the specific gravity of soils D854-14 PA USA American Society for Testing and Materials Search in Google Scholar

ASTM, 2005. Standard test method for liquid limit, plastic limit, and plasticity index of soils. D4318-05 (PA USA: American Society for Testing and Materials). ASTM 2005 Standard test method for liquid limit, plastic limit, and plasticity index of soils D4318-05 PA USA American Society for Testing and Materials Search in Google Scholar

BIS, I., 1977. Methods of test for soils: IS 2720-Part 40 Determination of free swell index of soils, pp. 1–5 (New Delhi: Bureau of Indian standards). BIS, I. 1977 Methods of test for soils: IS 2720-Part 40 Determination of free swell index of soils 1 5 New Delhi Bureau of Indian standards Search in Google Scholar

Sridharan, A. and Prakash, K., 2000. Classification procedures for expansive soils. Proceedings of the Institution of Civil Engineers-Geotechnical Engineering, Vol. 143, No. 4, pp. 235–240 SridharanA. PrakashK. 2000 Classification procedures for expansive soils Proceedings of the Institution of Civil Engineers-Geotechnical Engineering 143 4 235 240 Search in Google Scholar

SANS, 2015. Civil engineering test methods, determination of the maximum dry density and optimum moisture content. SANS 3001 Part GR30 (Pretoria: SABS standards division). SANS 2015 Civil engineering test methods, determination of the maximum dry density and optimum moisture content SANS 3001 Part GR30 Pretoria SABS standards division Search in Google Scholar

Brindley, G.W. and Brown, G., 1984. Crystal structures of clay minerals and their x-ray diffraction identification. London: Mineralogical Society. 495 p. BrindleyG.W. BrownG. 1984 Crystal structures of clay minerals and their x-ray diffraction identification London Mineralogical Society 495 p. Search in Google Scholar

ASTM., 2016. Standard test method for measurement of soil potential (suction) using filter paper. D5298-16 (PA USA: American Society for Testing and Materials). ASTM 2016 Standard test method for measurement of soil potential (suction) using filter paper D5298-16 PA USA American Society for Testing and Materials Search in Google Scholar

Van Genuchten, M.T., 1980. A closed-form equation for predicting the hydraulic conductivity of unsaturated soils 1. Soil science society of America journal, Vol. 44, No. 5, pp. 892–898. Van GenuchtenM.T. 1980 A closed-form equation for predicting the hydraulic conductivity of unsaturated soils 1 Soil science society of America journal 44 5 892 898 Search in Google Scholar

Kosugi, K.I., 1996. Lognormal distribution model for unsaturated soil hydraulic properties. Water Resources Research, Vol. 32, No. 9, pp. 2697–2703. KosugiK.I. 1996 Lognormal distribution model for unsaturated soil hydraulic properties Water Resources Research 32 9 2697 2703 Search in Google Scholar

Fredlund, D.G. and Xing, A., 1994. Equations for the soil-water characteristic curve. Canadian geotechnical journal, Vol. 31, No. 4, pp. 521–532. DOI: 10.1139/t94-061 FredlundD.G. XingA. 1994 Equations for the soil-water characteristic curve Canadian geotechnical journal 31 4 521 532 10.1139/t94-061 Open DOISearch in Google Scholar

Seki, K., 2007. SWRC fit–a nonlinear fitting program with a water retention curve for soils having unimodal and bimodal pore structure. Hydrology and Earth System Sciences Discussions, Vol. 4, No. 1, pp. 407–437. DOI: 10.5194/hessd-4-407-2007 SekiK. 2007 SWRC fit–a nonlinear fitting program with a water retention curve for soils having unimodal and bimodal pore structure Hydrology and Earth System Sciences Discussions 4 1 407 437 10.5194/hessd-4-407-2007 Open DOISearch in Google Scholar

CSIR Transportek., 2002. Protocols for Triaxial Testing: Technical Report TR 2002/21, CSIR, Pretoria, South Africa. CSIR Transportek 2002 Protocols for Triaxial Testing: Technical Report TR 2002/21 CSIR Pretoria, South Africa Search in Google Scholar

Tarantino, A. and De Col, E., 2008. Compaction behaviour of clay. Geotechnique, Vol. 58, No. 3, pp. 199–213. TarantinoA. De ColE. 2008 Compaction behaviour of clay Geotechnique 58 3 199 213 Search in Google Scholar

Naderi, N., Roshani, P., Samani, M.Z. and Tutunchian, M.A., 2012. Application of genetic programming for estimation of soil compaction parameters. In Applied Mechanics and Materials, 147: 70–74. DOI: 10.4028/www.scientific.net/AMM.147.70 NaderiN. RoshaniP. SamaniM.Z. TutunchianM.A. 2012 Application of genetic programming for estimation of soil compaction parameters In Applied Mechanics and Materials 147 70 74 10.4028/www.scientific.net/AMM.147.70 Open DOISearch in Google Scholar

Đoković, K., Rakić, D. and Ljubojev, M., 2013. Estimation of soil compaction parameters based on the Atterberg limits. Mining and Metallurgy Engineering Bor, Vol. 4, pp. 1–16. ĐokovićK. RakićD. LjubojevM. 2013 Estimation of soil compaction parameters based on the Atterberg limits Mining and Metallurgy Engineering Bor 4 1 16 Search in Google Scholar

Shien, N.G.K., Chew, Y.M., Osman, M.H. and Ghazali, S.K., 2015. Estimating maximum dry density and optimum moisture content of compacted soils. In Proceedings of the International Conference on Advances in Civil and Environmental Engineering, Pulau Pinang, Malaysia. ShienN.G.K. ChewY.M. OsmanM.H. GhazaliS.K. 2015 Estimating maximum dry density and optimum moisture content of compacted soils In Proceedings of the International Conference on Advances in Civil and Environmental Engineering Pulau Pinang, Malaysia Search in Google Scholar

Fondjo, A.A., Theron, E. and Ray, R.P., 2021. Semi-Empirical model for predicting the swelling stress of compacted, unsaturated expansive soils. Civil Engineering and Architecture Vol. 9, No. 1, pp. 225–239. DOI: 10.13189/cea.2021.090119 FondjoA.A. TheronE. RayR.P. 2021 Semi-Empirical model for predicting the swelling stress of compacted, unsaturated expansive soils Civil Engineering and Architecture 9 1 225 239 10.13189/cea.2021.090119 Open DOISearch in Google Scholar

Fondjo, A.A. and Theron, E. and Ray, R.P., 2021. Estimation of Optimum Moisture Content and Maximum Dry Unit Weight of Fine-Grained Soils using Numerical Methods. Walailak Journal of Science and Technology, Vol. 18, No. 16, Article 22792. DOI: 10.48048/wjst.2021.22792 FondjoA.A. TheronE. RayR.P. 2021 Estimation of Optimum Moisture Content and Maximum Dry Unit Weight of Fine-Grained Soils using Numerical Methods Walailak Journal of Science and Technology 18 16 Article 22792. 10.48048/wjst.2021.22792 Open DOISearch in Google Scholar

Fondjo, A.A., Theron, E. and Ray, R.P., 2021. Investigation of the influencing soil parameters on the air entry values in soil-water characteristic curve of compacted, heaving soils. Civil Engineering and Architecture. Vol. 9, No. 1, pp. 91–114. DOI: 10.13189/cea.2021.090108 FondjoA.A. TheronE. RayR.P. 2021 Investigation of the influencing soil parameters on the air entry values in soil-water characteristic curve of compacted, heaving soils Civil Engineering and Architecture 9 1 91 114 10.13189/cea.2021.090108 Open DOISearch in Google Scholar

Fondjo, A.A. and Theron, E., 2021. Application of mathematical function to estimate the compaction characteristics of unsaturated soils. Civil Engineering and Architecture. Vol. 9, No. 1, pp. 255 – 262. DOI: 10.13189/cea.2021.090121 FondjoA.A. TheronE. 2021 Application of mathematical function to estimate the compaction characteristics of unsaturated soils Civil Engineering and Architecture 9 1 255 262 10.13189/cea.2021.090121 Open DOISearch in Google Scholar

Rao, S.M. and Revanasiddappa, K., 2000. Role of matric suction in collapse of compacted clay soil. Journal of Geotechnical and Geoenvironmental Engineering, Vol. 126, No.1, pp. 85–90. DOI: 10.1061/(ASCE)1090-0241(2000)126:1(85) RaoS.M. RevanasiddappaK. 2000 Role of matric suction in collapse of compacted clay soil Journal of Geotechnical and Geoenvironmental Engineering 126 1 85 90 10.1061/(ASCE)1090-0241(2000)126:1(85) Open DOISearch in Google Scholar

Fondjo, A.A. and Dzogbewu, T.C., 2019. Assessment of stress raiser factor using finite element solvers. Universal Journal of Mechanical Engineering, Vol. 7, No. 6, pp. 367 – 379. DOI: 10.13189/ujme.2019.070608 FondjoA.A. DzogbewuT.C. 2019 Assessment of stress raiser factor using finite element solvers Universal Journal of Mechanical Engineering 7 6 367 379 10.13189/ujme.2019.070608 Open DOISearch in Google Scholar

Fondjo, A.A., Theron, E. and Ray, R.P., 2020. Assessment of various methods to measure the soil suction. International Journal of Innovative Technology and Exploring Engineering, Vol. 9, No. 12, pp. 171–184. DOI: 10.35940/ijitee.L7958.1091220 FondjoA.A. TheronE. RayR.P. 2020 Assessment of various methods to measure the soil suction International Journal of Innovative Technology and Exploring Engineering 9 12 171 184 10.35940/ijitee.L7958.1091220 Open DOISearch in Google Scholar

Leong, E.C., Tripathy, S. and Rahardjo, H., 2003. Total suction measurement of unsaturated soils with a device using the chilled-mirror dew-point technique. Geotechnique, Vol. 53, No. 2, pp.173–182. DOI: 10.1680/geot.2003.53.2.173 LeongE.C. TripathyS. RahardjoH. 2003 Total suction measurement of unsaturated soils with a device using the chilled-mirror dew-point technique Geotechnique 53 2 173 182 10.1680/geot.2003.53.2.173 Open DOISearch in Google Scholar

Fredlund, D.G. and Rahardjo, H., 1993. Soil mechanics for unsaturated soils. John Wiley & Sons. FredlundD.G. RahardjoH. 1993 Soil mechanics for unsaturated soils John Wiley & Sons Search in Google Scholar

Likos, W.J, Wayllace A, Godt, J. and Lu, N., 2010. Modified direct shear apparatus for unsaturated sand at low suction and stress. Geotechnical Testing Journal, Vol. 33, No.4, pp.1–13. LikosW.J WayllaceA GodtJ. LuN. 2010 Modified direct shear apparatus for unsaturated sand at low suction and stress Geotechnical Testing Journal 33 4 1 13 Search in Google Scholar

Nam, S, Gutierrez, M, Diplas, P. and Petrie, J., 2011. Determination of the shear strength of unsaturated soils using the multistage direct shear test. Eng. Geol. Vol. 122, No. 3–4, pp. 272–280. NamS GutierrezM DiplasP. PetrieJ. 2011 Determination of the shear strength of unsaturated soils using the multistage direct shear test Eng. Geol. 122 3–4 272 280 Search in Google Scholar

Kalaycı, Ş., 2010. SPSS uygulamalı çok değişkenli istatistik teknikleri. Translation: SPSS applied multivariate statistical techniques, Vol. 5, pp. 359. Ankara, Turkey: Asil Publication Distribution KalaycıŞ. 2010 SPSS uygulamalı çok değişkenli istatistik teknikleri Translation: SPSS applied multivariate statistical techniques 5 359 Ankara, Turkey Asil Publication Distribution Search in Google Scholar

Oyediran, I.A. and Durojaiye, H.F., 2011. Variability in the geotechnical properties of some residual clay soils from south western Nigeria. International Journal of Scientific & Engineering Research, Vol. 2, No. 9, pp.1–6. OyediranI.A. DurojaiyeH.F. 2011 Variability in the geotechnical properties of some residual clay soils from south western Nigeria International Journal of Scientific & Engineering Research 2 9 1 6 Search in Google Scholar

Huzhu, Z., Hanbing, L., Jing, W. and Weizhi, D., 2017. Investigation of the effect of water content and degree of compaction on the shear strength of clay soil material. Functional materials. Vol. 24, No.2. DOI: 10.15407/fm24.02.290 HuzhuZ. HanbingL. JingW. WeizhiD. 2017 Investigation of the effect of water content and degree of compaction on the shear strength of clay soil material Functional materials 24 2 10.15407/fm24.02.290 Open DOISearch in Google Scholar

Zhao, Y., Duan, X., Han, J., Yang, K. and Xue, Y., 2018. The main influencing factors of soil mechanical characteristics of the gravity erosion environment in the dry-hot valley of Jinsha river. Open Chemistry, Vol. 16, No. 1, pp. 796–809. ZhaoY. DuanX. HanJ. YangK. XueY. 2018 The main influencing factors of soil mechanical characteristics of the gravity erosion environment in the dry-hot valley of Jinsha river Open Chemistry 16 1 796 809 Search in Google Scholar

Wang, G.Y., Huang, Y.G., Li, R.F., Chang, J.M. and Fu, J.L., 2020. Influence of vetiver root on strength of expansive soil-experimental study. PLoS One, Vol.15, No. 12. WangG.Y. HuangY.G. LiR.F. ChangJ.M. FuJ.L. 2020 Influence of vetiver root on strength of expansive soil-experimental study PLoS One 15 12 Search in Google Scholar

Mousavi, S.M., Alavi, A.H., Gandomi, A.H. and Mollahasani, A., 2011. Nonlinear genetic-based simulation of soil shear strength parameters. Journal of earth system science, Vol. 120, pp.1001–1022. MousaviS.M. AlaviA.H. GandomiA.H. MollahasaniA. 2011 Nonlinear genetic-based simulation of soil shear strength parameters Journal of earth system science 120 1001 1022 Search in Google Scholar

Akayuli, C., Ofosu, B., Nyako, S.O. and Opuni, K.O., 2013. The influence of observed clay content on shear strength and compressibility of residual sandy soils. International Journal of Engineering Research and Applications, Vol. 3, No. 4, pp. 2538–2542. AkayuliC. OfosuB. NyakoS.O. OpuniK.O. 2013 The influence of observed clay content on shear strength and compressibility of residual sandy soils International Journal of Engineering Research and Applications 3 4 2538 2542 Search in Google Scholar

Ranjan, G. and Rao, A.S.R., 2007. Basic and applied soil mechanics. New Age International (P) Ltd., Publishers, New Delhi. RanjanG. RaoA.S.R. 2007 Basic and applied soil mechanics New Age International (P) Ltd., Publishers New Delhi Search in Google Scholar

Dafalla, M.A., 2013. Effects of clay and moisture content on direct shear tests for clay-sand mixtures. Advances in Materials Science and Engineering. DOI: 10.1155/2013/562726 DafallaM.A. 2013 Effects of clay and moisture content on direct shear tests for clay-sand mixtures Advances in Materials Science and Engineering 10.1155/2013/562726 Open DOISearch in Google Scholar

Ojuri, O.O., 2013. Predictive shear strength models for tropical lateritic soils. Journal of Engineering. DOI: 10.1155/2013/595626 OjuriO.O. 2013 Predictive shear strength models for tropical lateritic soils Journal of Engineering 10.1155/2013/595626 Open DOISearch in Google Scholar

Deliktaş, C., 2016. Influence of swell on shear strength of expansive soils. Master Thesis, Graduate School of Natural and Applied Science, Middle East Technical University. DeliktaşC. 2016 Influence of swell on shear strength of expansive soils Master Thesis, Graduate School of Natural and Applied Science, Middle East Technical University Search in Google Scholar

Al-Mhaidib, A.I. and Al-Shamrani, M.A., 2000. Influence of swell on shear strength of expansive soils. Paper presented at the ISRM International Symposium, Melbourne, Australia, November 2000. ISRM-IS-2000-204. Al-MhaidibA.I. Al-ShamraniM.A. 2000 Influence of swell on shear strength of expansive soils Paper presented at the ISRM International Symposium Melbourne, Australia November 2000 ISRM-IS-2000-204. Search in Google Scholar

Bláhová, K., Ševelová, L. and Pilařová, P., 2013. Influence of water content on the shear strength parameters of clayey soil in relation to stability analysis of a hillside in Brno region. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Vol. 61, No. 6, pp.1583–1588. BláhováK. ŠevelováL. PilařováP. 2013 Influence of water content on the shear strength parameters of clayey soil in relation to stability analysis of a hillside in Brno region Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 61 6 1583 1588 Search in Google Scholar

Tafari, T., Quezon, E.T. and Yasin, M., 2021. Statistical Analysis on Shear Strength Parameter from Index Properties of Fine-grained Soils. Journal of Engineering Research and Reports. Vol. 20, No. 4, pp. 15–28. TafariT. QuezonE.T. YasinM. 2021 Statistical Analysis on Shear Strength Parameter from Index Properties of Fine-grained Soils Journal of Engineering Research and Reports 20 4 15 28 Search in Google Scholar

Durner, W., 1994. Hydraulic conductivity estimation for soils with heterogeneous pore structure. Water resources research, Vol. 30, No. 2, pp. 211–223. DOI: 10.1029/93WR02676 DurnerW. 1994 Hydraulic conductivity estimation for soils with heterogeneous pore structure Water resources research 30 2 211 223 10.1029/93WR02676 Open DOISearch in Google Scholar

Fondjo, A. A., Vuwane, B. and Theron, E., 2023. Improvement of Geotechnical Properties of Heaving Soils Using Alternative Methods: A Review. Theory and Applications of Engineering Research, Vol. 1, pp. 127–149. DOI: 10.9734/bpi/taer/v1/8150A FondjoA. A. VuwaneB. TheronE. 2023 Improvement of Geotechnical Properties of Heaving Soils Using Alternative Methods: A Review Theory and Applications of Engineering Research 1 127 149 10.9734/bpi/taer/v1/8150A Open DOISearch in Google Scholar

Fondjo, A.A., Theron, E. and Ray, R.P., 2024. Unsaturated shear strength assessment based on soil index properties. Theory and Applications of Engineering Research Vol. 2, pp. 67–94. DOI: 10.9734/bpi/taer/v2/8340A FondjoA.A. TheronE. RayR.P. 2024 Unsaturated shear strength assessment based on soil index properties Theory and Applications of Engineering Research 2 67 94 10.9734/bpi/taer/v2/8340A Open DOISearch in Google Scholar

Terzaghi, K. 1936. The shear strength of saturated soils. In Proceedings. 1st International Conference in Soil Mechanics and Foundation Engineering, (Vol. 1, pp. 54–56). Cambridge. TerzaghiK. 1936 The shear strength of saturated soils In Proceedings. 1st International Conference in Soil Mechanics and Foundation Engineering 1 54 56 Cambridge Search in Google Scholar

Mohr, H. 1914. Geologie der Wechselbahn (insbesondere des grossen Hartbergtunnels). Vienna-Kais. Akad. d. Wissensch. MohrH. 1914 Geologie der Wechselbahn (insbesondere des grossen Hartbergtunnels) Vienna-Kais. Akad. d. Wissensch Search in Google Scholar