Performance of Reinforced Soil Slopes under Working Stress Conditions

Participants: Fabiana Arriaga, Joe Friedrichsen, Carina Costa

Description: This project involves centrifuge modeling of reinforced soil slope models. Digital image analysis is used to investigate the strain distribution in the model. This project will benefit reinforced soil structure design, as well as the understanding of the confined behavior of geosynthetics. Time-dependent response of geosynthetic reinforced soil structures also under investigation.

References:

Zornberg, J.G. (2002). “Use of Peak Shear Strength in the Design of Reinforced Soil Systems.” Geosynthetics International, in press.

Zornberg, J.G., and Arriaga, F. (2002). “Strain Distribution within Reinforced Slopes under Working Stress Conditions.” Journal of Geotechnical and Geoenvironmental Engineering, ASCE, in press.

Zornberg, J.G. (2001). “Use of Peak Shear Strength in the Design of Reinforced Soil Systems.” Proceedings of the Fifteenth Geosynthetic Research Institute Conference, Hot Topics in Geosynthetics II, Houston, Texas, December 13-14, 2001, pp. 71-85.

Arriaga, F. (2001). “Strain Distribution within Geosynthetic-Reinforced Slopes.” Proceedings of the Geosynthetics ‘2001 Conference, Portland , Oregon , pp. 619-629.

Zornberg, J.G., Sitar, N., and Mitchell, J.K. (2000). “Limit Equilibrium as a Basis for Design of Geosynthetic Reinforced Slopes, Closure.” Journal of Geotechnical and Geoenvironmental Engineering, ASCE, Vol. 126, No. 3, pp. 286-288.

Zornberg, J.G., Sitar, N., and Mitchell, J.K. (2000). “Performance of Geosynthetic Reinforced Slopes at Failure, Closure.” Journal of Geotechnical and Geoenvironmental Engineering, ASCE, Vol. 126, No. 3, pp. 281-286.

Arriaga, F., and Zornberg, J.G. (2000). Reinforced Soil Design: Integration of Digital Image Analysis, Numerical Modeling, and Limit Equilibrium. Geotechnical Research Report, Department of Civil, Environmental and Architectural Engineering, University of Colorado at Boulder , February 2000.

Arriaga (Blanco), F. (1999). Study of Strain Distribution in Geosynthetic-Reinforced Slopes Using Digital Image Analysis. M.S. thesis, Department of Civil Environmental and Architectural Engineering, University of Colorado at Boulder, Boulder, Colorado, December 1999, 165 p.

Zornberg, J.G., Sitar, N., and Mitchell, J.K. (1998). “Limit Equilibrium as a Basis for Design of Geosynthetic Reinforced Slopes.” Journal of Geotechnical and Geoenvironmental Engineering, ASCE, Vol. 124, No. 8, pp. 684-698.

Zornberg, J.G., Sitar, N., and Mitchell, J.K. (1998). “Performance of Geosynthetic Reinforced Slopes at Failure.” Journal of Geotechnical and Geoenvironmental Engineering, ASCE, Vol. 124, No. 8, pp. 670-683.

Zornberg, J.G., Mitchell, J.K., and Sitar, N. (1997). “Testing of Reinforced Soil Slopes in a Geotechnical Centrifuge.” ASTM Geotechnical Testing Journal, Vol. 20, No. 4, December 1997, pp. 470-480.

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