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- W2354004175 abstract "Based on the support technology and the geological conditions of the fire extinguishing material storage chamber in the-817 m level of Wangfenggang Shaft,Xieyi Mine,the multi point displacement meters and in-borehole peeping meter were applied to measure the surrounding rock deformation and failure features of the mine roadway.The surrounding rock deformation and failure features of the mine roadway were analyzed with the numerical simulation technology.The results showed that the deep surrounding rock deformation of the mine roadway would be increased with the roadway heading time with certain stages.The deformation stages were including the defor-mation and displacement serious stage(about 10 days),the deformation and displacement gently stable stage(10~30 days) and the deformation and displacement relative stable stage(over 30 days).The releasing ring and failure area of the roadway surrounding rock were in the dynamic development process.The releasing ring and failure area in the roof were obviously than the two sidewalls of the roadway.At the deformation relatively stable initial period,a late grouting measures shall be taken to reinforce the surrounding rocks in the actual construction,to control the deep surrounding rock deformation of the roadway,to restrict the failure area further increased of the roadway surrounding rock and to keep the stability of the surrounding rock for the deep mine soft rock roadway." @default.
- W2354004175 created "2016-06-24" @default.
- W2354004175 creator A5050839379 @default.
- W2354004175 date "2009-01-01" @default.
- W2354004175 modified "2023-09-24" @default.
- W2354004175 title "Study on Displacement Failure Features of Deep Mine Soft Rock Roadway in Xieyi Mine" @default.
- W2354004175 hasPublicationYear "2009" @default.
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