寬條帶跳采及其地下水滲流規(guī)律研究.pdf

1、遼寧工程技術大學碩士學位論文寬條帶跳采及其地下水滲流規(guī)律研究姓名：李建新申請學位級別：碩士專業(yè)：工程力學指導教師：王來貴20051201壟!三塑婪壟丕堂堡圭堂堡堡皇i，旦!ABSTRACTMiningcoalmustdestroytheintrinsicstressbalancestateofrockbodyandwallrockbeginstodeform，moveanddestroytoobtainnewstressbalance，

2、itnotonlybringsaboutruinouse艉ctonbuildingsbutalsoeasilychangesthesupplyanddrainageconditionofgroundwaterwhat’SmoreitCanincreasepenetrabilityandseducegroundwatertoinpourmineWidestripskip—miningisputforwardfordiminishingth

3、edestroyandeffectonbuildingandgrotmdwaterthetwoproblemsareresearchedandsomeelementaryconclusionsareobtained，themaincontentasfollows：1Itisanalyzedthatwidestripskip—mining，routinestripminingandfull—pillarminingbringaboutdy

4、namicandstaticdeformationofgroundsurface，andtheirdestroyandeffectonbuildings，theresultofstudyshowsthatwidestripskip—miningisfeasible2Miningwidthandleavingwidthshouldbeconsideredasawholewhentheparametersofwidestripskipmin

5、ingaredeterminedThesinkingcurveandleveldistortioncurveoftheearthsurfaceareanalyzedbynumericalcalculationandgraphonconditionthatminingwidthandleavingwidtharedifferentsize，andthenmorereasonableratioofminingwidthandleavingw

6、idthispresented3Themethodforcalculatingequivalentpermeabilitytensorisintroduced，andthedeterminantcriterionsforthetensorvalidityarepresentedtoassurethevalidityoffracturednetworkequalingtoequivalentcontinuummedium4Onthebas

7、eofthetwomethodsforobtainingpermeabilityparameteroffracturedrock，aimingatthelimitationofcorrectedformula，correctedformulaofintegrationpermeabil時coefficientisputforwardthroughnumericalsimulationoftwo—dimensionpackerpermea

8、bilitytestThecorrectedresultshowstheseepagecharacteristicoffracturedrockanisotropy5Itiscomparedthatthebreakagedegreeofgroundwatermoveconditionandtheeffectrangeofprecipitationfillerarebroughtaboutbetweenwidestripskip—mini

9、ngandfull—pillarminingundertwodifferentconditionsthroughnumericalsimulation，therangeofprecipitationfillerislessinthecourseofwidestripskipmining，itnotonlyreducesthewaterquantityofinfluxmine，butalsoeffectivelyprotectsgroun