渭北矿区地表裂陷地质灾害成因及防治

1920046ADVANCEINEARTHSCIENCESVol.19Suppl.Jun.20041001-81662004-0258-04712000P694A11.111976801993952.7343.76km2232198940NW1km5m13mFl32004-04-101962-E-maillizhenlinhoutom.com100m30m1.41.211/41/2HoHo6.94km27.4km21830.12.5m41.5km2450112501450194m60m1.762.1m0140m23400700mm300500mm12501292.3m106.20m0.5772.19m156mm194mm4060m310m6.58.0m2CP2208027199862219522199733.1112234563.2123406219References1.M.1990.609-611.2.J1993135-43.3J.1998418-20.4.J.1992342-47.5.A.C.20016.AC.20017.A.C.2001THECAUSEANDCUREOFGROUNDFRACTUREANDGEOLOGICALCALAMITYINWEIBEIMININGAREALIZhen-linShaanxiEnergyVocationalandTechnologicalInstituteXianyang712000ChinaAbstractThepaperdiscussesthecausecalamityofgroundfracturethemethodandpointofcureinWeibeiarea.Itpointsoutthatgeologicalfunctionsandburiedcoalbedsuchasearthquakegroundwaterandsoon.Thesegeologicalconditionsarethemaincauseofgroundfractureandgeologicalcalamity.Minedepartmentsconcernedaresupposedtotakemeasuresinreducingandpreventingthegeologicalcalamity.KeywordsGroundfracturecausesCalamitiesFractureregularityPreventionandcuremeasures.162