关于资源配置合理性的分析

:2003-01-19;:2003-02-21:(1945-),,,,.:1671-6833(2003)03-0041-04赵广田1,关瑜2,赵守川3(1.,450002;2.,475001;3.,518002):在资源有限的条件下,通过资源有限-工期最短的一系列优化步骤,实现工期最短的建设目标,并对多种优化效果进行了评定.指出这种优化方法尽管可实现工期最短,但无法保证资源分布的最优效果.提出应根据工程实际,首先确定合理的资源限量,并根据资源限量按照资源有限-工期最短的优化步骤取得最短工期;然后在最短工期固定的前提下,再进行资源均衡的优化方案,从而实现既工期最短又资源均衡的最佳资源分布与应用效果.:资源;工期;优化:F4037:A0,,,-.,,-,,.,.,,.,.,.1,,,.(1).Q=MfT(1):Q,/;M,;T,;f,f1.-:(1),.(2),.,.(3),.(4),,.(5),..(6),,...(7)n,20039243()JournalofZhengzhouUniversity(EngineeringScience)Sep.2003Vol.24No.3.,1~6,,..:1.Q=15/,16.-.,.1Fig.1Thenetworkplanandresourcesituationoftheproject,16.~!1~33,:1∀2,,1;1∀4.1∀41∀3,1∀41,1∀34,1∀42;1∀33.Q=15/,,.!~#,4,,21/,,,.1∀4,,,,,1.1∀3,4,1∀4,1∀4,2.2∀4,1∀41∀3,2∀43.,,2∀4,.,1∀4,1∀3Q1-4+Q1-3=6+5=11Q,.,,-2.2,,.1620.20,.,.-,,.2-AFig.2OptimizationschemeAunderthelimitedresources-shortesttimelimitforaproject2-.A,B,C,D,3.42()20033-Fig.3Schemesinreservesatisfiedlimitedresourcesshortesttimelimitforaproject3,B,C,D7,-.-.?∃%?,,,()[1].,,,,.[2]:2.1KK=QmaxQmK&=Qm-QminQm(2):Qmax;Qmin;Qm,Qm=1T[Q1+Q2+∋+QT]=1T(Tt=1Qt.,K,.2.2QQ=max[|Qt-Qm|](3):Qtt.,.2.3=(Tt=1(Qt-Qm)2T-1(4),.(1).1,A,B,C,D-,,C433,Qm,,.1Tab.1ComparisontotheoptimizationresultsofthefourkindsofschemesKK&QA119068311344B119068311339C11903657244D11904448254D,,,,.,,,.D,.A,B,-,.,,,,.,-,.?B,C,D-,-.A,,,-.3,,,,.,,.,.,,.,.,.:[1],.[M].:,1998[2].[M].:,1998.AnalysisofResourceDistributionRationalityZHAOGuang-tian1,GUANYu2,ZHAOShou-chuan3(1.CollegeofEnvironmental&HydraulicEngineering,ZhengzhouUniversity,Zhengzhou450002,China;2.FinancialBureau,HenanUniversity,Kaifeng475001,China;3.ShenzhenBranchGuotaiJunanSecunitiesCo.LTOShenzhenChinaZip,Shenzhen518002,China)Abstract:Thispaperdiscusseshowtorealizetheconstructionaimoftheshortestperiodofengineeringbyoptimizingtheapproachofshortesttimelimitforaprojectwiththelimitedresources,andtheeffectsofmulti-optimizationareestimated.Itpointsoutthatthismethodmaymeettheshortesttimelimitbutcouldnotensuretheoptimumresourcedistribution.Basedontheconditionoftheproject,themethodsofmakingtheperiodofconstructionshortestafterthereasonableresourceslimitsaremadeunderthelimitedconditionofresourcesareputforward.Theoptimumschemeofthebalanceofresourcesmustbemadeundertheconditionoffixedperiodofconstruction.Consequently,theoptimumeffectsofthedistributionandapplicationwiththebalancedresourcescanbeachievedwiththeshortesttimelimit.Keywords:resource;periodofconstruction;optimization44()2003