The Mechanical. Behaviors and Analog Analytical Method of Joints and Weak Intercalations in Rock Mass |
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Authors: | Ge Xiu-run |
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Institution: | Institute of Rock and Soil Mechanics,Academia SinicaWuhan, China |
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Abstract: | In this paper, the mechanical behaviors of rock joints and internationals etc. are described. According to the filed results of the shear tests, several basic types of shear displacement are discussed and classified。 based on the nonlinear properties of these weak plants ,the analytical models and methods suggested in this paper, the influence of normal stress on the shear deformation may be considered .It also can be applied to the complicated conditions of loading-unloading-reloadings. The non-linear and the problems of the weak plane’s reclosing after opening can be handled simultaneously. The same analytical method is also acceptable to the shear deformation properties of various types only by choosing different parameters. Wish this analytical method, analogic calculations for the in-situ weak-plane shear tests are made and results are well checked by curves .This method has been used in some practical engineering problems . |
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