
With the increase of mining depth, the mechanical feathers and mechanical behaviors could become more and more serious in the complex mechanical environment of “three-high and one-disturbance”. The solid rock in shallow mining shows nonlinear mechanical characteristics of soft rocks while entering deep mining, such as large deformation, high underground pressure, difficult to support, etc. The rheological behaviors of soft surrounding rocks are becoming increasingly conspicuous. Taken JiBei mining area for example, based on the basic geological features of deep high stress soft roadway and using the method combing theoretical viscoelastic analysis of soft surrounding rocks with the numerical analysis of FLAC3D, the deformation and failure characters of deep high stress soft roadway are thoroughly searched.
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