48307.滑坡勘察新方法——空氣潛孔錘取心跟管鉆進(jìn)技術(shù)

1、成都理工大學(xué)碩士學(xué)位論文滑坡勘察新方法——空氣潛孔錘取心跟管鉆進(jìn)技術(shù)姓名：劉曉東申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：地質(zhì)工程指導(dǎo)教師：胥建華20070401成都理工大學(xué)碩士學(xué)位論文ANewMethodofLandslideReconnoitering—SimultaneousCasing&CoringMethodbyPneumaticDTHHammerDrillingABSTRACTNowadays，therearesuchtechnicalpro

2、blemsasdrillingpoorhole，lowefficiencyindrillingeteinlandslidereconnoiteringworkwhichinfluenceseriouslylandslidereconnoiteringandlandslidepreventionandcureDowntheHole(DTH)hammerdrillinghasalreadybeenappliedinmanyareasasan

3、efficientdrillmethodThethesisistoexploreanewmethodoflandslidereconnoitering——simultaneouscasing&coringmethodbypneumaticDTHhanlnlerdrillingThemethodadoptspneumaticDTHhamlnerdrillingprinciple，combinessimultaneouscasingmeth

4、odbypneumaticDTHhamnlerdrillingwithcoring，givesfleereintotechnicalsuperiorityoftheformerinfastdrillingandsimultaneouscasinggoodprotectionforwallandthelatterinhighcapacitygatheringcorethroughoptimizingdesignandformsanewdr

5、illmethodforlandslidereconnoitering——simultaneouscasing&coringmethodbypneumaticDTHhammerdrillingThethesisintroducesthestructureof0168simultaneouscasing&coringmethodbypneumaticDTHhamInerdrillertheprincipleofsimultaneousca

6、sing&coringdrillingthefeatureofdrilleressentialequipmentandimplementindrilling，thetechnologyofsimultaneouscasing&coringmethodbypneumaticDTHhammerdrillingetcInthelightofoutsidepipeconnectingscrewthreadcrackintestproductio

7、nthethesisputsforwardthewaytosolvethestressconcentrationinoutsidepipescrewthreadconnectionthroughchangingthedistanceofoutsidepipescrewthread，ThethesisrecommendsthetestforlandslideonXiatongStreetatChangduinTibetThetestacq

8、uiredgoodtechnicaleffectofsimultaneouscasing&coringdrilling，gatheredmorethan90％core，stratumsequencewasclear(nopollutionandnoconfusion)，drillefficiencyraisedmorethan100％comparingwitIlcommondrillmethods，metthestandardandre