Safety reduction of powered supports tipping in steeply dipping unsteady soft seam fully mechanized caving face
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Abstract
In steeply dipping soft seam fully mechanized caving face,support and surrounding rocks are unstable cause powered supports stability decreased,supports are easily toppling and sliding.When the working face occurred support toppling,righting support is very difficult and many hidden safety dangers.Analysis the main dangerous sources in safety reduction of 1121 steeply dipping unsteady soft seam fully mechanized caving face in Changshanzi coal mine.Based on existing dangerous sources,take relevant safety guarantee technology to ensure staff and equipment safety in righting powered supports.Safety assurance technology is strictly making and implement t in 1121 fully mechanized caving face,to ensure the safety during righting powered supports,powered supports recovered to normal work and ensure safety production.
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