煤巷復(fù)合頂板錨桿支護(hù)技術(shù)研究.pdf

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3、hontheBoltingSupptTechnologyofCompoundRoofintheCoalMineRoadwaySpecialty:GeotechnicalEngineeringName:ZhaoTao(Signature)Instruct:YangGengshe(Signature)ABSTRACTAbscissionLayerrooffallribspallingetc.ofthecompoundroofaremajdi

4、sastersfcoalminesafetyproduction.Theresearchesofthesupptingtechniquefthecompoundroofundercomplexconditionshaveimptantapplicationvaluewhichareusefulfthecoalminesafetyproduction.Basedonthebackgroundofthe24506wkfaceinChengh

5、eCoalMinethepaperusedthetheeticalanalysisnumericalsimulationfieldpracticemethodstocarryouttheresearchwk.Usingtheelasticplasticmechanicstheiesthedefmationdestructioninstabilitymechanismthecrespondingstabilityconditionofth

6、ecompoundroofincoalmineroadwayweresystematicallyanalyzed.basedonthetraditionalanch()supptingtheythecompoundroofboltingmechanismtheirparameterswereanalyzeddetermined.Atthesametimethepapersystematicallyelabatedtheboltingme

7、thodsfcompoundroofrockinthecoalmines:engineeringanalogytheeticaldesignmethodnumericalcalculationsengineeringmonitingmethodetc.Basedonthestudyoffactsaffectingthestabilityofthecompoundroofthestabilityevaluationmodelbasedon

8、AHPwasestablishedcreatingthestabilitygradingstardsfthecompoundroofincoalminesusingtheengineeringanalogymethodtodetermiheboltingmethodaccdingtoitscomprehensiveevaluationvaluethenachievedthepurposeofsupptingdesign.Thepaper

9、achievedthestabilityevaluationboltingdesignftheChenghemine24506wkfacemadethemonitingprogramaswellonductedtheexperimentalresearchunderground.Themonitingdateshowedthattheboltingeffectof24506wkfaceisperfect.Fromtheengineeri