北京西山侏罗纪煤田矿震与地质灾害的关系

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20029143CN113713öPBEIJINGGEOLOGYVol114No13September12002ISSN10071903(,100011):,,,,,,(),,:;;;;;;:P694:A:100721903(2002)03200112111,,,111995:20022032181(),11986,,1983ML21013000,ML31040,ML412,1992128,1991129,19911130843ML=315:562,(),700800m,,,1110km5624,,1015km,,,,,,2,,,,,,,,,,2211,,2()(1),,2,120021(19855)60010000173151930530130190288800011101930530130190148000131930530170200178000131930530170200140001831419305301702007:m;MPa212,,(),,,()213(1)195983,-137-100m2,21318,,,300350mm,600,30m,3,67,41(2)19631225220,+130m415,,1,26,27135ML310,140m,3,78m,164m,2993816m2,2,2,515(3)19741025,2-340m87,314,645m,2953,,(4)197511161031,2-280m,,316,150m,80m,150300mm,200m,500m,(5)1977757,132118,,,,70%,,,01820191m,,(6)197866,,,,,,,(7)197811191930,-340m5,310,30,200mm,1000mm,50m,3629,28,4(8)19848302356,-340m2(,014016m),311,100m,,,,130m,6,335m(),,,,313,2060,90,(,1991;,1995;,1999),,,,,,,311,()(2),,:,2273496kgöcm2,0161113105kgöcm2,313610(F=Rö100),,(),31080%22(kgöcm2)(105kgöcm2)(L)(F=Rö100)964204156012401580147012901400134115071412441930161110501680118013901291192155247259253014701850172012401350132216610227349632901611130187012301340130313610312,,,1155m,F=1217,,1030m,F=1720,,(),,257,(3),930m,15801890kgöcm2,4119561979,114,214318,269%,,,,,,(),()37,9101580257712217219115185,,1715261837243710321701719214132,,1030189627051921741951069:m;kgöcm2;kgöcm2;105kgöcm2;töm3;F=Rö100;%,,(),(),,31331311,,,,197019783,-400m2,5,139,2376(116,18)19791980-160m7,37,31312,1988,(R1)2319643110MPa,35178MPa,()18()2(600m1516MPa)213,,;,,,,,51314()150200m,350420m,400m,,,(,;;,;,;,),,330m,520m,460m31531511,:2,,11,,,,,64%31512,,,,,,,,,,2,31513,,80%(),(),,,,31514,61,,257,,10m2,,,,,1962(),1964,19785,41m3,57m3;234m3,67%,,,:(43),21031632,316,150m,,()(),9919%,2,5:,,,,;,,,9752(),,,,,,,,,,,,,,()4411,2-450m5(300m70m,,,)2,,25771,,,,,,2090,1990199211024214,31017,108,19871988198934119%21143%89147%,,(210),310,,,,,19923419921229199451919961231998619310,2,19945191845,4.2,,7,1021,4084,447,18794214404338,213379,19986191240,88,59325,120,,,2cm,7,3,,,(),:1994519:,,,1994519412(),,:41211,,,150m,,41212,,81,,,,,,,41213,,m2,19742(m2),314,(),,,,,,,1996123,ML315(),,80m7,535m26m,200m160m(),16000m2(),,,,,4121420,,,,,,(,)5,150m,,,,,,,91,,,,,6(1),(150200m),2,,,,(2),,,,,(3),,,(4),,310(5),,(6),,,[1],[M]1:1981[2],[J]1,2002(1)[3],[J]1:11997(1)[4],[M]11992[5],[M]1:1991[6],[J]1,1996(2)[7],[M].:1992[8],[M]1:1983[9],,+706[J]1,1997(1)[10],,[J].,1997(2)[11],,-[J]1,1996(1)02[12],[J]1,1997(4)[13],[J]1,1998(1)[14]U1Casten,:[J]1,1994(1)[15],[J]11997(4)[16],,[M]1:1994TheRelationshipBetweenMining-inducedEarthquakeandGeologicalDisasterinJurassicCoalfieldofWesternHill,BeijingJIYu2jie(GeologicalInstituteofBeijingMunicipality,Beijing100011)Abstract:IntensivegeopressureshockoftenhappensduringtheminingofJurassiccoalfieldinWesternHillsofBeijing.Itistheimportanthiddendangerofthecoalmining,andbe2cameoneofthetenmostseriousindustrialdisastersofBeijingMunicipality.OnthebasisofauthorsmanyyearssurveyonthegeologicaldisastersaswellastheanalysisoncoalmininghistoryandfeaturesofgeologicalstructureofWesternHills,theauthorpointedoutthattheaccurrenceofgeopressureshockisoftenaccompaniedbysignificantmining2in2ducedearthquake.Thestrengthofmining2inducedearthquakeisconstrainedbymanyfac2tors,suchasthequalityofcoal,thefeatureofroofandfloorofcoalbed,geologicalstruc2tureandregionalstressfield,aswellastheminingtechniqueanddepth.Thedestructivemining2inducedearthquakethreatensnotonlythelifeofminerandsafetyofmining,butalsothelifeandpropertiesofinhabitantsaswellassurfaceconstruction;becausetheoc2currenceofminingrelatedgeologicalhazards,suchasminecollapseandsoon,areoftenaccompaniedwithmining2inducedearthquake.Theminingofsafetypillarsandbedsisthemainman2madedisturbingfactorformining2inducedearthquake.Therefore,wesuggestthattheminingofsafetypillarsshouldbeprohibitedoritcanbedoneonlyafterremovingthesurfaceinhabitants.Keywords:geopressureshock;mining2inducedearthquake;safetypillar;prohibition;geo2logicaldisaster;Jurassiccoalfield;WesternHillsofBeijing12

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