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Rapid Construction Technology for Large Section Withdraw Roadway in Working Face with Large Mining Height[J]. COAL SCIENCE AND TECHNOLOGY, 2013, (7).
Citation: Rapid Construction Technology for Large Section Withdraw Roadway in Working Face with Large Mining Height[J]. COAL SCIENCE AND TECHNOLOGY, 2013, (7).

Rapid Construction Technology for Large Section Withdraw Roadway in Working Face with Large Mining Height

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  • Available Online: April 02, 2023
  • Published Date: July 24, 2013
  • It is a complicated procedure to lay out the metal mesh when withdrawing the large scale and heavy equipments in fully mechanized high cutting coal mi ning face.Serious rib occurred when the coal wall and the pre-set small cross section withdraw gateway were cut-through.The pre-set small cross section withdraw gate way was seriously affected by advanced mining pressure. The technique of Guante material combined flexible steel mesh was applied to construct the withdraw gatewa y.The flexible steel mesh replaced conventional steel mesh.During the construction period, integrated once mesh paving was conducted with a manual winch and a pull ey installed in powered support.After the coal cutting operation completed, the mesh releasing, steel cable paving, powered support advancing forward were conducted. It could simply mesh connection procedure.Before the mesh paving operation conducted, the Guante material was applied to reinforce the pre-set small cross section wi thdraw gateway, coal mining wall and roof, it could reduce the rib of the coal wall and the roof subsidence, the safety and reliability withdraw technique was ensured an d the period of the mesh paving operation was reduced by 10 days.
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