Abstract
The behavior of soil structure reinforced by geosynthetics is governed by the mechanical interaction of soils and geosynthetics materials. In a numeric simulation of such soil structure behavior, appropriate modeling of the mechanical interaction is required. In this chapter, the numerical modeling of the geosynthetics-reinforcement mechanism in soil structures is described. The confining effect brought about by geosynthetics working so as to prevent dilation of soils is considered using elasto-plastic constitutive models that can express dilation of soils with shear. The deformation–failure behavior of two full-scale, geosynthetics-reinforced soil structures were simulated using the finite element computation technique. The compacted materials actually used were sands, but herein the compacted soils are treated as if they are clays saturated and heavily overconsolidated; and a determination procedure for input parameters needed in these models is proposed. Last, numerically predicted and monitored behavior are compared.
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Hirata, M., Iizuka, A., Ohta, H., Yamakami, T., Yokota, Y., Ohmori, K. (2013). Numerical Simulation of Soil Structures Reinforced by Geosynthetics. In: Chu, J., Wardani, S., Iizuka, A. (eds) Geotechnical Predictions and Practice in Dealing with Geohazards. Geotechnical, Geological and Earthquake Engineering, vol 25. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-5675-5_7
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DOI: https://doi.org/10.1007/978-94-007-5675-5_7
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