WangZhiqiang1, 2, SunZhongwen1, XuChunhu1, SuYue1. Determine the reasonable haulage roadway position of successive panel based on the split⁃level mining method[J]. Journal of Mining Science and Technology, 2019, 4(1): 50-57.
Citation:
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WangZhiqiang1, 2, SunZhongwen1, XuChunhu1, SuYue1. Determine the reasonable haulage roadway position of successive panel based on the split⁃level mining method[J]. Journal of Mining Science and Technology, 2019, 4(1): 50-57.
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WangZhiqiang1, 2, SunZhongwen1, XuChunhu1, SuYue1. Determine the reasonable haulage roadway position of successive panel based on the split⁃level mining method[J]. Journal of Mining Science and Technology, 2019, 4(1): 50-57.
Citation:
|
WangZhiqiang1, 2, SunZhongwen1, XuChunhu1, SuYue1. Determine the reasonable haulage roadway position of successive panel based on the split⁃level mining method[J]. Journal of Mining Science and Technology, 2019, 4(1): 50-57.
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Determine the reasonable haulage roadway position of successive panel based on the split⁃level mining method
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1??CollegeofResourcesandSafetyEngineering,ChinaUniversityofMiningandTechnology,Beijing100083,China; 2??ResearchCenterofTop?CoalCavingMininginCoalMiningIndustry,Beijing100083,China
- Received Date: 2018-11-26
- Rev Recd Date:
2018-11-26
- Publish Date:
2019-02-28
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Abstract
Thispaperstudymainlyonthereasonablehaulageroadwaypositionofsuccessivepanelbe⁃ tweentwoadjointpanels*Relyingonaminefortheprojectbackground,bythetheoreticalanalysis, threezonesintheverticaldirectionofthesolidcoalsideweregiven:Solidcoalstresszonealongone sideofthegoaf,transitionalzoneandelasticzonealongthefloor*Accordingtotheprincipleofroadway layout,theroadwayshouldbearrangedverticallyintheelasticzonealongthefloorandhorizontallyin thelow⁃stressregionofthelimitequilibriumzone*Thereasonablestaggeredhorizontaldistancebetween adjacentroadwaysforthisprojectbackgroundwasfoundtobe2mbytheoreticalanalysisandFLAC3D numericalsimulation*Intheengineeringapplication,combinedsupportwasappliedonthehaulageroad⁃ way,andthedeformationofthesurroundingrockintheroof,floorandsidesofthehaulageroadwaywas effectivelycontrolledaccordingtotheactualfieldtest*
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References
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Proportional views