大傾角綜放工作面平巷綜掘關(guān)鍵工藝技術(shù)研究.pdf

1、西安科技大學(xué)碩士學(xué)位論文大傾角綜放工作面平巷綜掘關(guān)鍵工藝技術(shù)研究姓名：趙峰申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：采礦工程指導(dǎo)教師：索永錄范公勤20080415Subject：StudyonKeyTechnologyofHeadingofFullyMechanizedCavingFacesinSteeplyDippingSeamSpecialty：MiningEngineeringName：ZhaoFengInstructor：SuoYong—luFa

2、nGong—qin(Signature(Signature(SignatureABSTRACTTheroadwaysurroundingrockofsteeplydippingfullymechanizedcavingfacesisincomplexconditionsandthedeformationiscomparativelysevereThedrivageisgreatdifficultwithlowspeedandeffici

3、encyItisoneofthemainfactorstOrestrictthesafetyandtli曲efficiencyproductionTherefore，thestudyonkeytechnologyofheadingoffullymechanizedcavingfacesinsteeplydippingsganlhasimportantpracticalsignificanceandtheoreticalvalueBase

4、dontheactualsituationofheadingoffullymechanizedcavingfacesinWANGJIASHANsteeplydippingseam，thispapersystematicallyanalyzesthemainfactorsofdrivageefficiencyThemainfactorsofdrivageefficiencyincludecomplexconditionsofroadway

5、surroundingrocksupportparameterequipmentmatching，constructiontechnologyandorganizationSupportingtimeisabout55％75％ofthewholeworkingtimeandsupportinghasthemostsignificantinfluenceImprovingdfivageefficiencyandsupportingqual

6、ityasthebasicgoal，thesteeplydippingfullymechanizedcavingfacesroadwaysupportingschemeisproposedwiththeanalysisoffieldmonitoringresultsandsurroundingrockdeformationandfailureTheworkloadandtimeofsupportingdecreaseobviouslyB

7、oltasymmetricarrangementmodeandroundcornermicroarchedrectangularhead啦sectionareprovedtObebettereffecttoforceconditionandstabilityofsurroundingrockTheengineeringquantityofroadwaymaintenanceisreducedAccordingtofieldtestand