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34201112Vol．3No．4Dec．2011IFC100084【】IFCIAIIFC。IFCIFC。IFC、、IFCIFCIFC。【】IFCEXPRESS【】TU711【】A【】1674－7461201104－0009－07【】“”2006BAJ01B07-03【】1979－。BIM、IFC、CAD。1IFCIndustryFoundationClasses1IAIInternationalAllianceforInteroper-ability。IFC19976。IFCISOISO/PAS1673920052IFC2x3。IFCSTEP。STEPIFCEXPRESS4-5。IFCIFC2x3Final3653312IFCIFCIFC。ScheinJ．4EXPRESS-G、。YuK．5IFC。MahmoudHalfawy6AECIFCIFC。IFC2007《》72x。2010《》82x。IFCIFCIFC、、、、5IFCIFCIFC。2IFCIFC。、、、、9。IFC10、、。DefinedType、Enumeration、SelectTypeEntityType。IFC、、。IFC、、1。—“”。。IFCIFC2x323。1IFC、、、1IFC2IFC3IFC11、。。2IFC。。If-cKernelProxy、ObjectTypeProperty。3、、。4。、、、、、。。IFC1。、、。。、IfcRoot。1IFC1170004114397243003352989611435111110005781172IFC2x3。3IFCIFCIFCIFCIFC。IFC10IfcProxy、。3．1IfcProxyIfcProxyIfcProxy3。IfcProxy。ProxyTypeTag。ProxyTypeIfcObjectTypeEnum、、、、Tag。3IfcProxy93．2IFCIFCIFC。IFC2x3653IFC2x4RC812。IFC。IAI。IFC2x3FinalIFC。、、、、591IFC。12aEXPRESSbEXPRESS-G4IFC4IFC。_IfcFlowProcessIFCIfcProcess。、、、、、、7。Ifc-RelAssignsToProcess_IfcConstruc-tionSection。IfcRelSequence。3．3IFC。。IFC、、、。IFC。IFCIFCIFC2x3312。IFC。IFC2x3Final126。2。IFCIFC。、、32。2_IfcInspectionLotAcceptionIfcPropertySingleValueIfcBooleanIfcPropertySingleValueIfcBooleanIfcPropertySingleValueIfcReal3．4。IfcProxy、IFCIFCIFCIFCIFCIFC。3。3IfcProxy4IFC4．1IFC13IFC。。、、、、、、5IFC11-30。IFC。IFC。、IFC。4．2、、、、5。1IFCIAI、IFC、IFC。、、、、、5IFC。、。2IFC、、、EX-PRESS。IFC2x3IFC、。3IFCIFC2x3。EXPRESSEXPRESS-G。。4BIMBIMMSBIM4D4DBIM-GCPSU。BIMMSBIMIFCIFC。4DBIM-GCPSUIFC4D、、。5。4．3IFC2x37。、、3IFC。、2IFC。IFC6。4．4IFCEXPRESS。EXPRESSEXPRESS-G。IFC_。5IFC146IFCIFC、IFC、、、、54。4IFC2x3172121160251917012IFC3121265“”“BIM”、BIM4D4DBIM-GCPSU、BIM4DBIM-CSAM、BIMBIMCCEBIMBIM-COMS。、、、9931IFC。6IFC。IFC。IFC。IFC。IFC、。1IFC、、。2IFC2x3finalIFCIFCIFCIFC。1InternationalallianceforInteroperability．IndustryFoun-dationClasses2011-8-21．http//．build-ingsmart．com/．2TC184/SC4．IndustryFoundationClassesRelease2xPlatformSpecificationIFC2xPlatformS．USAISO2008．3ThomasLiebichIFC2xEdition3ModelSupportGroupMSGofbuildingSMART2006．4ScheinJ．AninformationmodelforbuildingautomationsystemsJ．AutomationinConstruction2007162125-139．5YuKFroeseTGroblerF．Adevelopmentframeworkfordatamodelforcomputer－integratedfacilitiesmanage-mentJ．AutomationinConstruction200092145-167．IFC156HalfawyMFroeseT．BuildingIntegratedArchitecture/Engineering/ConstructionSystemsUsingSmartObjectsMethodologyandImplementationJ．ComputinginCivilEngineering2005192172-181．7．JG/T198－2007S．2007．8．GB/T25507－2010S．2011．9．BIMD．2009．10JeffreyWix．IFC2xEXTENSIONMODELLINGGUIDE2010-1-26http//．iaichina．org/Model/docu-mentation/Ifc2x_EMG/EMG-Base．htm．11．GB/T50326－2006S．2006．12．S．1995．13M．2009．14．GB50500－2008S．2008．15．M．2009．16．M．2009．17．M．2008．18．M．2005．19M．2007．20．M．2008．21GB/T19000－2008/ISO900020052008．22GB/T19001－2008/ISO900020082008．23GB5003－2001S．2001．24A．J．HoltAllanJohn．M．2008．25．M．2003．26．M．2009．27．GB50214－2001．S．2001．28．BIMD．2011．29GB/T50378－2006S．2006．302007223．2007．ResearchonIFC-basedDataDescriptionStandardsinConstructionWangYongZhangJianpingHuZhenzhongDepartmentofCivilEngineeringTsinghuaUniversityBeijing100084ChinaAbstractTheIndustryFoundationClassesIFCdevelopedbyInternationalAllianceforInteroperabilityIAIhasbeenknownasacommonproductmodelfordataexchangeandmodelsharing．InarchitecturedesignentitytypesandpropertysetsinIFCsarenearlyenoughtomeettheneeds．Howeverintheconstructionentitytypesareinsufficientfordatadescription．ThereforeweanalysesthedemandfordatadescriptioninconstructioninmainlandChinaandextendtheIFCmodel．Atlastwetesttheextensionmodelbysomerealprojectsandgivesomesuggestionsforfurtherresearch．KeyWordsIndustryFoundationClassesEXPRESSInformationModelInformationExchangeConstruc-tion