薛廟灘煤礦建筑物下條帶開采方法研究.pdf

1、西安科技大學(xué)碩士學(xué)位論文薛廟灘煤礦建筑物下條帶開采方法研究姓名：楊子星申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：采礦工程指導(dǎo)教師：余學(xué)義2011Subject:StudyontheStripMiningMethodsUnderBuildingsinXueMiaotanCoalMineSpecialty:MiningEngineeringName:YangZixing（Signature）Instruct:YuXueyi（Signature）ABSTRAC

2、TStripminingminingasthe“threeunder“miningoneofmainmethodsInourcoalmineareahasbeenwidelyused.YushencoalmineareasofXuemiaotancoalminingsurfacehaveplentyofprivatehousingsfactiesminehasgetthrough4hightensiontransmissionlinea

3、nationalhighwayarivercommunicationlinesothersurfaceprotectionbuilding.Theshallowcoalseamminingthethickalluviumthinbedrockthickcoalseammining.Studythisconditionfthereasonablesafetyminingmethodsisofimptantsignificanceofsus

4、tainabledevelopmentofminingarea.BasedontheanalysisofregionalgeologymininggroundprotectionCombinedwiththecombinationofmineproductiontechnologicalconditionsdeterminetheuseofstripminingmethodstoprotecttheminecomplexgroundco

5、nstruction(structures).ByanalysisofXuemiaotanmining’sconditionsofthickalluviumthinbedrockApplicationA.H.WilsoncoalpillarstrengththeynumericalsimulationFLAC3Dsimilarmaterialssimulationdeterminethestripminingplantoretainth

6、esupptpillarofsufficientstrengthlongtermstabilityafterminingoverburdendoesnotcausedamageunderthesurfacewavessinkledtothesurfacebuilding(structure)ofthebuildingsdamaged.Theresultsshowthatthiscomprehensiveanalysiswithhighe