Abstract
Roadway bolt supporting, which relates the equations such as ground stress, mechanical property of surrounding rock and bolt supporting structure, is an engineering problem of rock and structure coupling. Three-dimensional developing entry bolt supporting aided design system was developed by using ANSYS finite element software. Supporting function mechanics of coal roadway bolt supporting was analyzed and calculated. The effects of bolt supporting under similar conditions on roadway deformation, stress and displacement field around the roadway were mainly studied. The simulation results were applied in bolt supporting engineering of a coal mine 4303 entity coal roadway, and excellent supporting results were obtained, which provides good experience for further generalization and application.
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