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The strength and the related parameters of unsaturated soil are the key issues in unsaturated soil mechanics. The triaxial or direct shear apparatus with suction control is used to measure the related parameters in the strength formulas proposed by Bishop and Fredlund. However, the technique is time-consuming for cohesive soils because it takes a long time to achieve a water–air equilibrium condition...
Three-dimensional geological modeling in mining areas and its corresponding spatial analysis have become a hotspot in mine geographic information system. In this paper, we build ARTPN (Analogical Right Triangular Prism Network) geological models based on the corresponding relations between plane graphs and sections in mining area, using geological hole and electronic peephole data. We also take Changcun...
The inherent anisotropy of soft sedimentary rock is a very important factor that influences the mechanical behavior of the rock. The confining-stress dependency of the shear stress ratio at the critical state, briefly referred to as the confining-stress dependency, is another important factor that should be taken into consideration when discussing the mechanical behavior of the rock. In this paper,...
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