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Monitorapurpose Undergroundengineeringafteropeningtodig,inthegeologicstrataofextendintoanearth'ssurfaceinresponsetothedintperturbationarea,roundrockmechanicsmetamorphosistoalargeextentthereflectionsinktodeclineattheearth'ssurface,andtheearth'ssurfacesinktodeclinetoreflecttostartconstructiontoroundintheprocesstherocktransformsofwholeprocesses.Particularlyisforundergroundengineeringinthecity,ifhavetosinktodeclineacircumstancetocarryonastrictmonitorandcontroltotheearth'ssurfacewhenitsnearbyearth'ssurfacehasbuilding. 1.5.2.8.3.1.2Monitor TheN3Gaoaccuracylevelinstrument,theLaicardSPRINTER200Mfull-automaticelectronicslevelinstrument,YinsteelChinesefootetc.. 1.5.2.8.3.1.3Monitoramethod ①Sinktodeclineavaluecalculation:Prognosticatepreciselevelofmethodadoptiontomeasureamethod.TheradicleordersandthenearbylevelorderalliedmeasuretoobtainabeginningtostartGaoCheng.Whileprognosticatingeachlimitbadproperstrictlycontrol,eachtimemeasurepointtoreadtocountGaobadshouldnotoverthe0.3mms,tonotatprognosticatingoflevelroutepoint,onemeasuresastationshouldnotover3,suchasexceed,seepointtoreadaftershouldingrereadthenumberchecksbymaking. Theearth'ssurfacemonitorradicleorderstoorder(GaoChenghasalreadyknown)forstandardlevel,whilemonitoringpasstomeasureeachlytomeasureGaoChengwhomthepointorder(theradicleorders)withlevelbadΔH,cangetstandardGaoChengΔhtofeachmonitorpoint,thenmeasurewithlasttimeGaoChengcarryonacomparison,badvalueΔhforshouldmeasurepointofsinkinganddecliningvalue.Namely:ΔHt(1,2)=Δht(2)-Δht(1) Underthesistuationthattheconditionadmits,possiblyoftheclothestablishtoleadalinenet,inordertocarryonanevenbadprocessing,raisetoprognosticateaccuracy,thenaccordingtomeasuringastationtocarryonevenbad,begatallpointGaoCheng. ②Dataanalysisandprocessing Thetimemovescurvetospreadsomediagramanddistancetomovecurvetospreadsomediagram,accordingtosinkingtodeclinetheusefulnessthattheregulationjudgmentroundsrockstabilitystatusandconstructionmeasure. Whenmoves-timethecurveBetendedtoevenslow,canselectbyexaminationssui