基于Petri网的公路施工进度计划及资源优化研究

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1、分类号：Y97855510710-B23091长安大学博士学位论文基王￡!!!i圆的坌路旌王进廑过型壁壅返垡丝班窒指导教师姓名垦墨叁鲎王造全塾塑申请学位级别监±学科名称鲎堕．皇迭道王猩论文提交日期星QQ鱼．垒论文答辩日期2Q塑答辩委员会主席：学位论文评阅人：AbstractBasedontheanalysisofthelimitationsofthetraditionalprojectschedulingandcontrolmethodsinhighwayconstruction，forexample，difficultyi

2、nworkdetailbreakdown．diflicuhyinscheduleadjustment，coarsenessinresourcesrequirmentestimationandincapacityforconstructionmanagement，amethodbasedonPetriNetsmodelingandsimulationisputforwardforprojectschedulingandresourceoptimizationinthisdissertation．Themodelingmetho

3、dofPetrinetsforconstructionprocedures，projectscheduling，riskanalysis，resourceoptimization，dynamicprojectschedulingmethodsarestudiedinthispaper．InthestudyofPetrinetsmodelingmethodforconstructionprocedure．thispaperintroducestheObject-OrientedPetriNetsintoconstruction

4、fieldforthefirsttime．Accordingtoscheduleandresourcegoals，takingintoaccountprojectCOSTS，themodelingmethodofresource，constructionprocessandtimearestudied．Ahyberarchymodelofhighwayconstructionsimulationisputforwords．Theform，paramentricestimationaswellassamplingmethods

5、ofactivitydurationdistributionarediscussedwidely，andalsotheinfluenceofconstructionnegativefactorstoactivitydurationisstudied．Intheprojectschedulingstudy，thealgorithmsofSimulationCriticalPath(SCP)andActivityCriticalityProbability(ACP)inPetriNetsarededucedbasedoninci

6、dencematrix．Forthefirsttime，thealgorithmsofactivitytimeparametersinsimulationaregiven，itsolvestheproblemthatsimulationtechnologyinprojectschedulingcan‘tproduceactivitytimeparametertomanageproject．Inprojectriskmanagement，thesignificationsandalgorithmsofActivityCruci

7、alityIndex(ACI)，ReferencePointCompletionProbability(RPCP)andprqjectperiodriskinPetriNetsarestudied．RPCPispresentedforthefirst。timeinthispaper．ttcanconformtoengineeringbetterthancompletionprobabilitywhichonlyusethecompletiontimeasareferencepoint．Furthermore，schedule

8、adjustmentisdiscussedbasedonRPCP．Inthestudyofresourceoptimization，thebottle—neckidentificationmethodofresourcesinconstructionlocalnessisstudied．F