Material delivery problems in construction projects

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1、Materialdeliveryproblemsinconstructionprojects:Apossiblesolution在建设项目材料交货问题：一种可能的解决方案TimoAla-Risku,MikkoKa¨rkka¨inenDepartmentofIndustrialEngineeringandManagement,HelsinkiUniversityofTechnology工业工程与管理系，赫尔辛基工业大学AbstractEmergingprojectmanagementmethodsforconstructionprojectsgenera

2、tenewkindsofchallengesforthedeliveryprocessofmaterials.Therationaleofsuchmethodsistocreateshort-termschedules,basedonaconstraintanalysisofresources,forprojecttasks.Thisapproachhastworequirementsformaterialdeliveries:transparencyofmaterialavailabilityandshortresponsetimesinthesup

3、plychain.Weproposeapotentialsolutionformanagingthemateriallogisticsofconstructionprojects.Theempiricallyvalidatedsolutionproposesashipmenttracking-basedapproachtoprovideinventorytransparency,andapro-activedeliveryapproachforefficientmaterialdeliveries.新兴的项目管理方法对物料输送过程建设项目提出了新的挑战

4、。这种方法的基本原理是创造短期计划，基于资源约束分析，项目任务。这种方法有两个要求：物料可用性的透明度。我们提出了一个潜在的解决方案，为工程建设项目物流管理。经验验证的解决方案提出了一种基于库存的透明度提供货物跟踪方法，和一种有效的材料交付的主动交付方法。Keywords:Supplychainmanagement;Logistics;Inventorytransparency;Construction;Tracking;Projectmanagement关键词：供应链管理；物流；库存的透明度；建设项目管理；跟踪；1.IntroductionNewpr

5、ojectmanagementmethodsthataddresstheshortcomingsoftraditionalmethodsbyaddingflexibilitytotheexecutionofconstructionprojects,createadditionalchallengestomaterialdeliveryprocesses(e.g.Ballard,2000;Chooetal.,1999;ChuaandShen,2001;KoskelaandHowell,2002).Thenewmethodsacknowledgethech

6、allengeofcreatinganexactschedulebeforehandforalarge,complexproject.Instead,suchmethodsusecontinuousplanningonasingleconstructiontasklevel.Thebasicphilosophyunderpinningthemethodsistocreateshort-termschedulesforprojecttasksbasedonaconstraintanalysisofprojectresources.Suchanapproa

7、chplacestworequirementsforthematerialdeliveries:theanalysisofmaterialconstraintsrequirestransparencyofmaterialavailabilityforsiteinventoriesandotherstagesofthesupplychain,andtheshorttime-spanofplanningdemandsshortresponsetimesalongthesupplychain.新的项目管理方法，解决传统方法的不足，通过增加灵活性的建设项目的执

8、行，创造物质传递额外的挑战过程（如巴拉德，2000；Choo等。，1999；蔡、申，2001；