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:2006212231:(19662),,,,,clearlq@sohu.com:1,2,1(1.,430063;2.,430063):,,,,GIS,,,,,:;;:U491:A:167227037(2007)0320021204,,,,,,;,1(),,,,,,,,,,,,,120119,,,120,119,,,(),,,,,,,,,,,;,a.,,24320079()J.ofHUST.(UrbanScienceEdition)Vol.24No.3Sep.2007,,,90%,10%,,,,b.,,,,,,,,,c.,,,,d.,,,,,2,,,a.,,,,,b.,,,,,,,,,c.,,,,,,,;,,;d.,,20022.7%,,0.7%,,,3:,;,,,,,:;;;;;,,1,,GIS,3.1,,,,22()20071,,3:,,3.2,,,,,:(),,:,,:,,,,,:,:,,:,44.1,,,(),,,,,(2)2,,,,,;,,,,,,,,,4.2:;;;;;323:,,,,,,,,,,,,,,,:(),,,,(3)3,1min,45min,30min85%,30min,,,,5,,,:,,[1],.[J].,2004,(8):1672168.[2].[J].,2004,(3):87291.[3].[J].,2003,(3):13214.[4],,.[C].,.2005.[5].[J].,2001,(7):37240.[6].GPS[J].,2006,(5):87291.[7].[J].,2004,(1):50252.[9].[M].,,2001.[10],,.[J].,2005,22(9):9214.[11],.[J].,2005,22(9):2052208.(48)42()2007AnalysisWithBoundaryElements,2003,27(10):9552962.[7]BesimBaranoglu,YalcinMengi.Theuseofdualreciprocityboundaryelementmethodincoupledthermoviscoelasticity[J].ComputerMethodsinAppliedMechanicsandEngineering,2006,196:3792392.[8]Whye2TeongAng.Non2steadystateheatconduc2tionacrossanimperfectinterface:adual2reciprocityboundaryelementapproach[J].EngineeringAnalysisWithBoundaryElements,2006,30(9):7812789.[9]DeFigueredoTGB,BrebbiaCA.Anewhybriddis2placementvariationalformulationofBEMforelastostatics[C].In:BrebbiaCA,ConnerJJ,editors.AdvancesinBoundaryElements,Southampton:ComputationalMechanicsPublication,1989,1:47257.[10]LancasterP,SalkauskasK.Surfacesgeneratedbymovingleastsquaresmethods[J].MathmaticComputation,1981,37:41258.SingularHybridBoundaryNodeMethodinSolvingTorsionProblemsMIAOYu13,YANFei1,2,ZHENGWei2feng4(1.SchoolofCivilEng.&Mechanics,HUST,Wuhan430074,China;2.HubeiKeyLab.ofControlStructure,HUST,Wuhan430074,China;3.KeyLabofGeomechanics,ChineseAcademyofScience,Wuhan430071,China;4.HenanYuzhouHighwayBereauAdministration,Yuzhou461670,China)Abstract:Anewboundarytypemeshlessmethod,whichiscalledsingularhybridboundarynodemethod(SHBNM),ispresentedforsolvingtorsionproblems.Itisbasedonamodifiedvariationalprincipleandmovingleastsquares(MLS)approximation,andexploitingthelocalizationideafromMLBIE,Onlyrandomlydistributednodalpointsontheboundingsurfaceofthedomainarerequiredincomputation,soithastheadvantagesofbothBEMandmeshlessmethods.Thedualreciprocitymethod(DRM)iscombinedwithSHBNMtosolvetorsionproblems.Thesolutionoftheproblemisdevidedintoparticularsolutionandhomogeneoussolution.ThehomogeneoussolutionissolvedbymeansofSHBNM,andtheparticularsolutionisapproximatedbyusingradialbasisfunctions.Andtheinteriorintegralscanbeavoided.Therigidmovementmethodisemployedtosolvethehyper2singularintegrations.Theboundarylayereffect,whichisthemaindrawbackoftheboundarytypemothods,hasbeenovercomebyanadaptiveintegrationscheme.Numericalexamplesshowhighaccuracyandhighconvergenceratesofthepresentedscheme.Keywords:singularhybridboundarynodemethod;dualreciprocitymethod;torsionproblem(24)StudyontheOverallFrameworkoftheEmergencyManagementSysteminExpresswayLIUQing1,TAOCun2xin2,ZHANGCun2bao1(1.SchoolofTransportation,WuhanUniv.ofTech.,Wuhan430063,China;2.SchoolofLogisticsEng.,WuhanUniv.ofTech.,Wuhan430063,China)Abstract:Theemergencymanagementsysteminexpresswayisanimportationareaoftrafficsafetymanagement.Itcanbringgreatsocialeffect.Inthecontextoftrafficsafetymanagementinexpressway,therequirementofmanagementsysteminexpresswaywasanalyzed.OnthebasisoftheanalysisaholisticframeworkandprocedurewasdiscussedandestablishedfortheemergencymanagementsysteminExpressway.Itincludestwosupermodelsofearlywarningandrescuecreatment.Thesystemcouldbringbigsocialeffiction.Theresultofthisstudywillprovideamodelandreferenceforthedevelopmentofearlywarningandrescuecommandsystemintheexpressways.Keywords:expressway;earlywarning;emergency84()2007