what gradient can a roadheader work on

The Dosco type MK2A Roadheader Dosco MK2A ... -

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The roadheader can be operated in coal mines or used in tunneling. ... to work in grounds having a high gradient are pre- ferred, ...

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The influence of forced ventilation airflow on water spray ...

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UNDERGROUND EXCAVATION Alternative excavation

More recently work has been undertaken on a ... n Conveyor drift (Arch Profile) gradient 1 in 6, ... transported underground to the roadheader via

what gradient can a roadheader work on

what gradient can a roadheader work on. We are the manufacturer of coal mining machine,roadheader,coal loader,tunnel mucking loader,backfilling machine,concerte pumping machine and so on. what gradient can a roadheader work on manufacturer, supplier.

ACCEPTED VERSION - University of Adelaide

Changes may have been made to this work since it was ... Initial stress; Stress gradient; Coupled static and ... homogeneous stress conditions can induce a far field ...

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Application of Roadheader Machine Road header is mainly applied in coal road, half coal road, ... It can work on road with gradient ranging from -16° to 16°.

UNDERGROUND EXCAVATION Alternative excavation

More recently work has been undertaken on a ... n Conveyor drift (Arch Profile) gradient 1 in 6, ... transported underground to the roadheader via

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what gradient can a roadheader work on. Home / what gradient can a roadheader work on. Content. A review of rock cutting for underground mining: ...

Roadheader performance prediction using genetic programming ...

part of roadheader's performance prediction is to ... deviated drift with an 11% gradient. ... a predictive model for roadheader ICR based on destruc-tion work as ...