Stiffness of Soil-Geosynthetic Composite under Small Displacements. II: Experimental Evaluation
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 143, Issue 10
Abstract
While most soil–geosynthetic interaction models have focused on the characterization of failure conditions, little emphasis has been placed on models and parameters suitable for characterizing the stiffness of soil–geosynthetic systems. In the companion paper, a soil–geosynthetic interaction parameter () was developed that captures the stiffness of a soil–geosynthetic composite under small displacements. This included validation of the suitability of the assumptions and outcomes of the model for a specific set of materials and testing conditions. This paper presents the results of a comprehensive experimental program that allows the suitability of the model to be generalized for a wider range of materials and testing conditions. An initial test series was conducted using large-scale soil–geosynthetic interaction test equipment to evaluate the repeatability of the experimental results. A comparison of the test results from this series, as well as an assessment of an extensive database on the expected variability of soil and geosynthetic properties, revealed that the coefficient of variation of the model parameters was acceptable and well within the typical range of similar geotechnical and geosynthetic properties. Results from additional test series confirmed the linearity and uniqueness of the relationship between the geosynthetic unit tension squared and corresponding displacements, which are the key features of the proposed model. These tests were conducted under various conditions using different geosynthetic and backfill materials. Results also showed that the constitutive relationships adopted in the model were adequate for the extended range of confining pressures, geosynthetic lengths, geosynthetic types, and backfill soil types adopted in the study. The consistency of the results obtained in the experimental testing program underscores the suitability of the proposed parameter as a basis for the evaluation of soil–geosynthetic interactions under small displacements.
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Acknowledgments
The authors are thankful for the financial support received from the Texas Department of Transportation (TxDOT). The help of Jose Martinez during the experimental component is also greatly appreciated.
References
LabVIEW [Computer software]. National Instruments, Austin, TX.
AASHTO. (2012). “Standard specification for classification of soils and soil-aggregate mixtures for highway construction purposes.” AASHTO M145-91 (12), Washington, DC.
AASHTO. (2013). “Standard specification for sizes of aggregate for road and bridge construction.” AASHTO M43-05 (13), Washington, DC.
Abdi, M. R., and Zandieh, A. R. (2014). “Experimental and numerical analysis of large scale pull out tests conducted on clays reinforced with geogrids encapsulated with coarse material.” Geotext. Geomembr., 42(5), 494–504.
Allen, T. M., Christopher, B. R., and Holtz, R. D. (1992). “Performance of a 12.6 m high geotextile wall in Seattle, Washington.” Proc., Int. Symp. on Geosynthetic-Reinforced Soil Retaining Walls, J. T. H. Wu, ed., A.A. Balkema, Rotterdam, Netherlands, 81–100.
Al-Qadi, I. L., Dessouky, S. H., Kwon, J., and Tutumluer, E. (2008). Geogrid in flexible pavements: Validated mechanism, Transportation Research Board, Washington, DC, 102–109.
ASTM. (2007a). “Standard test method for measuring geosynthetic pullout resistance in soil.” ASTM D6706-01(07), West Conshohocken, PA.
ASTM. (2007b). “Standard test methods for particle-size analysis of soils.” ASTM D422, West Conshohocken, PA.
ASTM. (2011). “Standard practice for classification of soils for engineering purposes (Unified Soil Classification System).” ASTM D2487-11, West Conshohocken, PA.
ASTM. (2012). “Standard classification for sizes of aggregate for road and bridge construction.” ASTM D448-12, West Conshohocken, PA.
ASTM. (2014). “Standard test method for specific gravity of soil solids by water pycnometer.” ASTM D854-14, West Conshohocken, PA.
ASTM. (2015). “Standard practice for classification of soils and soil-aggregate mixtures for highway construction purposes.” ASTM D3282-15, West Conshohocken, PA.
ASTM. (2016a). “Standard test methods for maximum index density and unit weight of soils using a vibratory table.” ASTM D4253-16, West Conshohocken, PA.
ASTM. (2016b). “Standard test methods for minimum index density and unit weight of soils and calculation of relative density.” ASTM D4254-16, West Conshohocken, PA.
Brink, D., Day, P. W., and Preez, L. D. U. (1999). “Failure and remediation of Bulbul Drive Landfill: KwaZulu-natal, South Africa.” Proc., Sardinia 1999, 7th Int. Waste Management and Landfill Symp., T. H. Christensen, R. Cossu, and R. Stegmann, eds., CISA, Environmental Sanitary Engineering Centre, Cagliari, Italy, 555–562.
Dixon, N., Jones, D. R. V., and Fowmes, G. J. (2006). “Interface shear strength variability and its use in reliability-based landfill stability analysis.” Geosynth. Int., 13(1), 1–14.
Giroud, J. P., and Han, J. (2004a). “Design method for geogrid-reinforced unpaved roads—II: Calibration and verification.” J. Geotech. Geoenviron. Eng., 787–797.
Giroud, J. P., and Han, J. (2004b). “Design method for geogrid-reinforced unpaved roads—Part I: Theoretical development.” J. Geotech. Geoenviron. Eng., 776–786.
Jones, D. R. V., and Dixon, N. (2003). “Stability of landfill lining systems: Literature review.”, Environmental Agency, Bristol, U.K.
Koerner, R. M., and Soong, T. Y. (2000). “Stability assessment of ten large landfill failures.” Proc., Geo-Denver 2000: Advances in Transportation and Geoenvironmental Systems Using Geosynthetics, ASCE, Reston, VA, 1–38.
Mazzucato, A., Simonini, P., and Colombo, S. (1999). “Analysis of block slide in a MSW landfill.” Proc., Sardinia 1999, 7th Int. Waste Management and Landfill Symp., T. H. Christensen, R. Cossu, and R. Stegmann, eds., CISA, Environmental Sanitary Engineering Centre, Cagliari, Italy, 537–544.
McCartney, J. S., Zornberg, J. G., Swan, R. H., Jr., and Gilbert, R. B. (2004). “Reliability-based stability analysis considering GCL shear strength variability.” Geosynth. Int., 11(3), 212–232.
Perkins, S. W. (2002). “Evaluation of geosynthetic reinforced flexible pavement systems using two pavement test facilities.”, Montana DOT, Helena, MT.
Perkins, S. W., et al. (2004). “Development of design methods for geosynthetic reinforced flexile pavements.”, Federal Highway Administration, Washington, DC.
Roodi, G. H. (2016). “Analytical, experimental, and field evaluations of soil-geosynthetic interaction under small displacements.” Ph.D. dissertation, Univ. of Texas, Austin, TX.
Roodi, G. H., and Zornberg, J. G. (2012). “Effect of geosynthetic reinforcements on mitigation of environmentally induced cracks in pavements.” Proc., EuroGeo5: 5th European Geosynthetics Congress, R. B. Servicios Editoriales, Spain, 611–616.
Sukmak, K., Sukmak, P., Horpibulsuk, S., Han, J., Shen, S., and Arulrajah, A. (2015). “Effect of fine content on the pullout resistance mechanism of bearing reinforcement embedded in cohesive–frictional soils.” Geotext. Geomembr., 43(2), 107–117.
Tensar. (2012). “Quality assurance test report for BX TYPE1 Lot#: 90612, Roll#:012, Tensar International Limited, Blackburn, U.K.
Weldu, M. T., Han, J., Rahmaninezhad, S. M., Parsons, R. L., Kakrasul, J. I., and Jiang, Y. (2016). Effect of aggregate uniformity on pullout resistance of steel strip reinforcement, Transportation Research Board, Washington, DC, 1–7.
Xiao, M., Ledezma, M., and Hartman, C. (2015). “Shear resistance of tire-derived aggregate using large-scale direct shear tests.” J. Mater. Civil Eng., 040141101-8.
Zornberg, J. G., and Arriaga, F. (2003). “Strain distribution within geosynthetic-reinforced slopes.” J. Geotech. Geoenviron. Eng., 32–45.
Zornberg, J. G., Ferreira, J. A. Z., Gupta, R., Joshi, R. V., and Roodi, G. H. (2012a). “Geosynthetic-reinforced unbound base courses: Quantification of the reinforcement benefits.”, Center for Transportation Research, Austin, TX.
Zornberg, J. G., Mitchell, J. K., and Sitar, N. (1997). “Testing of reinforced soil slopes in a geotechnical centrifuge.” ASTM Geotech. Test. J., 20(4), 470–480.
Zornberg, J. G., Roodi, G. H., Ferreira, J., and Gupta, R. (2012c). “Monitoring performance of geosynthetic-reinforced and lime-treated low-volume roads under traffic loading and environmental conditions.” Proc., GeoCongress 2012: State of the Art and Practice in Geotechnical Engineering, ASCE, Reston, VA, 1310–1319.
Zornberg, J. G., Roodi, G. H., and Gupta, R. (2017). “Stiffness of soil-geosynthetic composite under small displacements. I: Model development.” J. Geotech. Geoenviron. Eng., 04017075.
Zornberg, J. G., Sitar, N., and Mitchell, J. K. (1998). “Limit equilibrium as basis for design of geosynthetic reinforced slopes.” J. Geotech. Geoenviron. Eng., 684–698.
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©2017 American Society of Civil Engineers.
History
Received: Oct 25, 2016
Accepted: Apr 17, 2017
Published online: Jul 29, 2017
Published in print: Oct 1, 2017
Discussion open until: Dec 29, 2017
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