Study of Anisotropy Characteristics of Bogor Volcanic Soil

Yusi Sulastri(1*), Paulus Pramono Rahardjo(2),

(1) Departemen of Civil Engineering, Parahyangan Catholic University.
(2) Lecturer in Departemen of Civil Engineering, Parahyangan Catholic University.
(*) Corresponding Author

Abstract


Anisotropy in soil results from the deposition process which describes the characteristics of the soil grains or is caused by stress or from the consequences of stresses caused during deposition and subsequent erosion. All soils behave in general anisotropy and some exhibit undrained shear strength. This study conducted 2 tests, namely the first field testing with original soil samples in the form of CPTu and dilatometer. The CPTu test's objective is to determine the vertical soil parameters, while the dilatometer is to determine the horizontal soil parameters. This study indicates that the indication of anisotropy in all shear strength tests is evident in the results of the CPTu test and the Dilatometer test. TX - UU and consolidation show that the horizontal shear strength (Suh) is greater than the vertical slope shear strength (Suv). In this case, the ratio obtained for shear strength is Suh = 1.3 Suv. And from the results of the consolidation test in the laboratory, it was found that the horizontal compression index parameter  (Cc horizontal) was greater than the vertical (Cc vertical) and the horizontal coefficient of consolidation (Ch) is greater than the vertical coefficient of consolidation (Cv).

Keywords


Anisotropy; Compaction Static; Compressibility; Strength.

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References


B. M. Das, Advenced Soil Mechanics. McGraw – Hill Book Company, Singapore, 1987.

and I. Y. Shoji, S., T. Ito, M. Saigusa, “Properties of nonallophanic Andosols from Japan,” Soil Sci, vol. 140, pp. 264–277, 1985.

K. Effendi A.C, Hermanto B, “Geological Map Sheet Bogor, Java, Center for Geological Research and Development, Bandung.,” 1998.

D. W. Apriani, U. Mustofa, and R. Hidayat, “Soil Shear Strength Parameter Analysis Based On Behavior Analysis Of Landslide Case,” U KaRsT, vol. 4, no. 2, pp. 163–176, 2020, doi: 10.1016/j.nrjag.2017.12.003.

J. E. and J. K. H. Bowles, Physical and Geotechnical characteristics of Soil (soil mechanics). Jakarta: Erlangga, 1991.

D. W. Apriani, U. Mustofa, and R. Hidayat, “Direct Shear Strength Of Clay Reinforced With Coir Fiber,” Ukarst J. Univ. Kadiri Ris. Tek. Sipil, vol. 4, no. 2, pp. 151–162, 2020.

W. D. Holtz, R. D. Kovacs, An Introduction To Geotechnical Engineering. Prentice Hall , New Jersey, 1981.

C. and L. P. van R. Mizota, “Clay mineralogy and chemistry of soils formed in volcanic material in diverse climatic regions. Soil Monograph 2,” Wageningen, Netherlands, 1989.

G. Terzaghi, K., Peck R. B. and Mesri, “Soil Mechanics In Engineering Practice,” J. W. & Sons, Ed. New York, 1996, p. 549.

R. D. Sivakugan, N., Chameau, J. L. and Holtz, “‘‘Anisotropy Studies on Cuboidal Shear Device‘‘,” ASCE J, Geot. Eng., vol. 119, no. No.6, pp. 973–983, 1993.

M. G. Luteneger , A. Kabir, ““Interpretation of Piezocone Result in Overconsolidated Clays“,” 1988, pp. 141–146.

J. M. Duncan, “The Effect of Anisotropy and Reorientation of Principal Stresses on the Shear Strength of Saturated Clayle,” University of California, 1966.

NL.D.Wesley, Soil Mechanics, IV. Public Works Publishing Agency, 1977.

J. E. Bowles, “Physical and Geotechnical Properties of Soil,” 2nd ed. Jakarta: Erlangga, 1991.

R. L. and C. W. C. Parfitt, “Estimation of forms of Fe and Al : a review and analysis of contrasting soils by dissolution and Moessbauer methods,” Aust. J. Soil Res., no. 26, pp. 121–144, 1988.

M. Silvestri, V. Aubertin, “‘‘Anisotropy and In-Situ Vane Tests,‘‘ Vane Shear Strength Testing in Soils : Field and Laboratory Studies,” Philadelphia, 1988.

A. I. Candra, “ANALISIS DAYA DUKUNG PONDASI STRAUSS PILE PADA PEMBANGUNAN GEDUNG MINI HOSPITAL UNIVERSITAS KADIRI,” Ukarst, vol. 1, no. 1, pp. 63–70, 2017.

T.-H. Whittle, Andrew J., DeGroot, Don J., Ladd, Charles C, and Seah, “’ ’ Model Prediction of Anisotropy Behavior of Boston Blue Clay, ’ ’,” ASCE J, Geot. Eng., vol. 120, no. No.1, pp. 199–224, 1994.

P. W. Mayne, “Stress Anisotropy Effects on Clay Strength,” ASCE J, vol. 111, no. 1, pp. 355–366, 1985.

P. P. Rahardjo, “Penyelidikan Geoteknik dengan Uji In-situ,” Bandung, 2008.

A. I. Candra, S. Anam, Z. B. Mahardana, and A. D. Cahyono, “Studi Kasus Stabilitas Struktur Tanah Lempung,” Ukarst J. Univ. Kadiri Ris. Tek. Sipil, vol. 2, no. 2, pp. 88–97, 2018.

J. E. Bowles, “Engineering Properties of Soils and Their Mesurement,” 2nd ed. New York: McGraw-Hill Book Company, 1978.

N. C. and R. R. W. Brady, “Elements of Nature and Properties of Soils,” Prentice-Hall, Inc. New Jersey, p. 559, 2000.




DOI: http://dx.doi.org/10.30737/ukarst.v5i1.1137

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