宿南礦區(qū)第四含水層水文地質特征研究.pdf

1、、靜羹號l塑!：!簟德襁鞲t塑!安蔽理工大擎ANHUIUNIVERSITYoFSCIENCEANDTECHNOLOGY一士擎位論文論文題目：宿南礦區(qū)第四食水層水文地質特征研究作者姓名：學科專業(yè)：導群姓名：沈慧珍地質工程許光泉教授完成時問：二0o五年四月宿南礦區(qū)第四含水層水文地質特征研究AbstractThefourthaquiferofCenozoicstrata，namedas“4thaquifer”，contactswithcoal

2、bearingstratainSunanminingareainthenorthofAnhuiprovince“4thaquifer’isdangeroustothesafetyminingoftheshallowcoalseams，whichhasimportantinfluenceonreservingtheheightoftherationalcoalrockpillarsSo，researchinghydrogeologicch

3、aracteristicsof“4thaquifer’’soundlyandsystematicallyisveryimportantFirstlybasedonreferringtoalotofliteraturesinvolvingthebottomaquiferresearchesandthestudiedmethodswhendeterminingtheheightofantigroundwatercoal—rockpillar

4、sinourcountryandabroad，hydrogeologiccharacteristicsareanalyzedsystematically，includingdynamiccharacteristicsofgrotmdwaterandthehydrogeologicunitoftheinvestigatedareaMoreoverhydrogeologicconceptionmodelandmathematicalmode

5、lof‘‘4thaquifer’’arebuiltinthisminingareaTheinternationaladvancedsoftwareVisua】Modflow40isusedtoidentifyhydrogeologicparametersof“4thaquifer’’inQidongmineandinTaoyuanmineSecondlythemathematicalmodelidentifiedisusedtofore

6、castdynamicalchangesof‘‘4thaquifer’’watertableinQidongmineandTaoyuanmineunderthebumpingofgroundwaterabovethecoalseamBesides，theanalyticmethodisusedtOanalyze“4thaquifer’waterinQinanmineTheforecastresultsprovideabasisforac

7、curatelyestimatingwater—enrichmentindifferentareasThirdlybasedontherelationshipbetweensedimentaryfaciesandwaterenrichmentof“4thaquifer”andthesimulatedresultsunderdifferentschemesofpumpingwaterunderthemine，theminingareais

8、dividedintosectionsaboundingwithgroundwatermostlypartiallyandrarelyFinallyhydrochemicalcompositionsofdifferentwaterresourcesofinrushaquifersareanalyzedinthisminingareaFuzzypatternrecognitionmethodisusedtodistinguishdiffe

9、rentwatersourcesoftheinrushand‘‘4thaquifer’waterpreventionmethodsareputforwardKeywords：thefourthaquiferhydrogeologiccharacteristics，numericalsimulation，waterenrichment，sedimentaryfacies，distinguishingdifferent’watersourc