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Site dependent parameters such as soil resistivity, maximum grid current, fault duration, shock duration, surface layer material resistivity, and grid geometry have substantial impact on the design and performance of an earth grid. The grid geometry, i.e. the area occupied by the grid system, conductor spacing and the depth of burial of earth grid specifically have much impact on the mesh, step, touch...
In order to study stability of geogrids-reinforced high embankment, by indoor direct shear test and pull-off test respectively, interface properities between geogrids and stuffing were studied. The study results indicate that: the variation of water content of stuffing have great influence on geogrids-reinforced high embankment, along with increasing of water content of stuffing, the frictional resistance...
Root system of vegetation can improve slope stability through changing in mechanical and hydrological properties of root-soil matrix. In this paper, the typical models to describe the mechanical effect in soil-root system and some theories of numerical simulation on root reinforcement mechanism are briefly elucidated, Based on the Strength Reduction Method(SRM) and ABAQUS code, a numerical model is...
Strength reduction FEM is one of the main methods to analyze slope stability. Based on the extended Drucker-Prager yield criterion in ABAQUS, the plastic zone along a sliding surface from slope toe to the top is assumed as the flag to tell the slope sliding. And a typical soil slope stability is analyzed with extended Drucker-Prager yield criterion with different section circle of Mohr-Coulomb yield...
In accordance with the emerging development of mining industry in Mongolia environmental protection by introducing internationally accepted technology is becoming now primary important. Tailings facilities are a high risk part of mining as they contain waste products from processing operations which presents a risk to the public and to the environment. When tailings facility fails, the impacts are...
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