Abstract
This work presents a viscoplastic model for predicting earth pressure distribution generated behind an instrumented wall due to line loads in addition to backfill. Eight-nodded two-dimensional quadrilateral elements are adopted for idealization of wall and soil, whereas, the interface between them is idealized by six-nodded zero thickness interface elements. The nonlinear behavior of soil is modeled as viscoplastic or time-dependent with Mohr–Coulomb criterion, while the wall is modeled as elastic material. The solution employed is based on 2 × 2 Gauss integration rule and incremental procedure with iterations using the explicit time-marching scheme. The results indicate significant effects of initial stresses, interface roughness, and both position and magnitude of line loads on lateral earth pressure distribution along the wall, in addition to, the applicability of the model and the efficiency of the computer program developed.
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Al-Ne’aimi, R.M.S. Viscoplastic Model with Zero-Thickness Interface Elements for Lateral Earth Pressure on Wall Due to Line Load. Indian Geotech J 43, 203–217 (2013). https://doi.org/10.1007/s40098-013-0050-x
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DOI: https://doi.org/10.1007/s40098-013-0050-x