Comparison of sandy soil shear strength parameters obtained by various construction direct shear apparatuses

• Autorzy: Amsiejus J. , Dirgeliene N. , Norkus A. , Skuodis S.

Identyfikatory

DOI

10.1016/j.acme.2013.11.004

• Języki publikacji: EN

Abstrakty

EN

An analysis of test results performed by common type of direct shear apparatuses shows that normal stress on the shear plane of soil sample is not equal to vertical component of distributed external load applied to the top of soil sample. Performed measurements cleared that only 65–85% of total vertical load is transmitted to the sample shear plane. Thus, determining of the soil shear strength depends on shear apparatus construction, i.e. on actual magnitude of vertical load transmitted to the shear plane. The paper presents an analysis of shear strength parameters of sand determined by two different construction of direct shear apparatuses with movable lower shear ring. The soil shear strength parameters by employing direct shear apparatus SPF-2 have been obtained under constant vertical load and measuring the vertical load at different positions, namely: at the bottom and that of at the top of soil sample, respectively. The soil strength parameters by employing the universal shear testing device ADS 1/3 were determined under two conditions, namely: by maintaining constant soil volume and that of for constant vertical load, respectively. In both cases the vertical load was measured at the top of soil sample.

Słowa kluczowe

EN

direct shear test; movable lower shear ring of sample; constant volume; soil shear strength parameters; angle of internal friction

PL

kąt tarcia wewnętrznego; próbka gleby; urządzenie budowlane

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2014
• Tom: Vol. 14, no. 2
• Strony: 327--334
• Opis fizyczny: Bibliogr. 22 poz., rys., wykr.

Twórcy

autor

Amsiejus J.

• Vilnius Gediminas Technical University, Faculty of Civil Engineering, Saulėtekio al.11, LT-10223 Vilnius, Lithuania

autor

Dirgeliene N.

• Vilnius Gediminas Technical University, Faculty of Civil Engineering, Saulėtekio al.11, LT-10223 Vilnius, Lithuania

autor

Norkus A.

• Vilnius Gediminas Technical University, Faculty of Civil Engineering, Saulėtekio al.11, LT-10223 Vilnius, Lithuania

autor

Skuodis S.

• Vilnius Gediminas Technical University, Faculty of Civil Engineering, Saulėtekio al.11, LT-10223 Vilnius, Lithuania

Bibliografia

• [1] J. Amsiejus, N. Dirgeliene, A. Norkus, D. Zlioniene, Evaluation of soil shear strength parameters via triaxial testing by height versus diameter ratio of sample, The Baltic Journal of Road and Bridge Engineering 2 (2) (2009) 54–60.
• [2] J. Amsiejus,N.Dirgeliene, Probabilistic assessment of soil shear strength parameters using triaxial test results, The Baltic Journal of Road and Bridge Engineering 2 (3) (2007) 125–131.
• [3] J. Amsiejus, Determination of the design values of soil shear strength parameters, Vilnius Gediminas Technical University, 2000, p. 141 (in Lithuanian, Ph.D. Thesis).
• [4] A. Alikonis, J. Amsiejus, V. Stragys, Improvement of shear box apparatus and methodology of test, in: Soil Mechanics and Geotechnical Engineering, The 12th European Conference in June 7–10, Amsterdam, Austria, 1999, pp. 1053–1057.
• [5] C.A. Bareither, C.H. Benson, T.B. Edil, Comparison of shear strength of sand backfills measured in small-scale and large-scale direct shear tests, Canadian Geotechnical Journal 45 (9) (2008) 1224–1236.
• [6] A.B. Cerato, A.J. Lutenegger, Specimen size and scale effects of direct shear box tests of sands, Geotechnical Testing Journal 29 (6) (2006) 507–516.
• [7] G.T. Dounias, D.M. Potts, Numerical analysis of drained direct and simple shear tests, Journal of Geotechnical Engineering 119 (12) (1993) 1870–1891.
• [8] Eurocode 7 Geotechnical Design, Part 1: General Rules. Brussels, 2004, p. 168.
• [9] P. Guo, Modified Direct Shear Test for Anisotropic Strength of Sand, Journal of Geotechnical & Geoenvironmental Engineering 134 (9) (2008) 1311–1318.
• [10] S. Heng, H. Ohta, T. Pipatpongsa, M. Takemoto, S. Yokota, Constant-volume direct box-shear test on clay-seam materials, in: Proc of the 17th Southeast Asian Geotechnical Conference, May 10–13, Taipei, Taiwan, 2010, pp. 83–87.
• [11] D.E. Jacobson, J.R. Valdes, T.M. Evans, A numerical view into direct shear specimen size effects, Geotechnical Testing Journal 30 (6) (2007) 512–516.
• [12] V. Kostkanova, I. Herle, Measurement of Wall Friction in Direct Shear Tests on Soft Soil, 2012 http://www.springerlink.com/content/a424r548r6353613/fulltext.pdf.
• [13] S.H. Liu, Simulating a direct shear box test by DEM, Canadian Geotechnical Journal 43 (2) (2006) 155–168.
• [14] S.H. Liu, D.A. Sun, H. Matsuoka, On the interface friction in direct shear test, Computers and Geotechnics 32 (5) (2005) 317–325.
• [15] M.L. Lings, M.S. Dietz, An improved direct shear apparatus for sand, Geotechnique 54 (4) (2004) 245–256.
• [16] S. Lobo-Guerrero, L.S. Vallejo, Discrete element method evaluation of granular crushing under direct shear test conditions, Journal of Geotechnical and Geoenvironmental Engineering 131 (10) (2005) 1295–1300.
• [17] H. Matsuoka, S.H. Liu, D.A. Sun, A new in-situ direct shear testing method for rockfill materials sands and clays, in: Proc of the 15th International Conference on Soil Mechanics and Geotechnical Engineering in August 27–31, Istanbul, Turkey, 2001, pp. 455–458.
• [18] H. Matsuoka, S. Liu, Simplified direct shear box test on granular materials and its application to rockfill materials, Soils and Foundations 38 (4) (1998) 275–284.
• [19] C. Thornton, L. Zhang, Numerical Simulations of the direct shear test, Chemical Engineering & Technology 26 (2) (2003) p.153–156.
• [20] A. Simoni, G.T. Houlsby, The direct shear strength and dilatancy of sand-gravel mixtures, Geotechnical and Geological Engineering 24 (3) (2006) 523–549.
• [21] N. Verveckaite (Dirgeliene), J. Amsiejus, V. Stragys, Stress–strain analysis in the soil sample during laboratory testing, Journal of Civil Engineering and Management 13 (1) (2007) 63–70.
• [22] L. Zhang, C. Thornton, A numerical examination of the direct shear test, Geotechnique 57 (4) (2007) 343–354.