袁店煤礦101、102采區(qū)10煤層開采底板灰?guī)r水防治關(guān)鍵技術(shù)研究.pdf

1、安徽理工大學(xué)碩士學(xué)位論文袁店煤礦101、102采區(qū)10煤層開采底板灰?guī)r水防治關(guān)鍵技術(shù)研究姓名：許繼影申請學(xué)位級別：碩士專業(yè)：地質(zhì)工程指導(dǎo)教師：姚多喜20110604安徽理jJ二大學(xué)碩士學(xué)位論文Abs仃actThewaterinrushproblemfromcoalfloorhasbecomeamajorsecurityhiddendangerofcoalminingMininghasbecomethemainminingwayofthe

2、de印coalresourcesdevelopment1“oadjusttothis，thelimestonewaterpreventionofcoalfloorseei／istobeimportantBasedonthekeytechnologyoflimestonewaterpreventionusedonthe10coalseamofYuandianMineNo101andNo102，thispapermadeavarietyof

3、studiesFirstlyhydrogeologicalcharacterofstudyareaswasanalysedThesedimentarycharacterrunoffcharacterpumpingtestandhydrochemicalanalysedresultsoflimestoneshowedthatwaterbearingstratumofTaiyuanNo1～4rockstayedinarelativelycl

4、osedhydrogeologyunits，recycleWaslightlyweakandaquiferabilityWasweakmedium，andthehydrogeologicalconditionsweremedium—complicatedMeanwhile，GrayBPartificialneuralnetworksandnumericalsimulationwereusedtopredictthecoal—floor’

5、Sdestroyeddepthunderthe而ningimpactBothofthesetwopredictionsshowedthecloseresultandthemaximumWas1423mSecondarilythe10coalseamwaterresistinglayerintegrityofMineNo101andNo102WasstudiedbyusingtheFractalTheoryThencombining、航t

6、llthefloorlithologythewaterresistinglayerthicknessandtherockcombinations，itmadetheconclusionthatthefloor’SwaterresistingabilityWasrelativelygoodObtainedbynumericalsimulationshowedthatdemarcatedF2faultbetweenNo101andNo102

7、underthemininginfluencewerenotactivated，whichindicatedthatwaterinrushoffaultcasedalittlethreattothestudyareasButtheremighthappentobetheabutmentcausedby10coalseamandTailimestonecoalsastocutbyfault，whichmighthappentowateri

8、nrushAccordingtothestudyofstudyareas’geologyandhydrogeologicalconditionsandthestudyofkarstcollapsecolumnformationconditions，itmadetheconclusionsthattherewerenogeologicalconditionsforthestudyareastoformthelargerkarstcolla

9、psecolumnAndaccordingtotheanalysesofwaterinrushcoefficienttheoreticalcalculationitfoundtheresultsthatonthestudyareas’limestoneaquiferlayerthewaterpressurewashigh，thefloorwaterresistinglayerswerethin，andconfinedwaterWasin