新型绿色建筑工程造价预算与成本控制分析_陈婷婷

EngineeringEconomyNo.072015330029F2241672-2442201507-0031-06AnalysisofBudgetandControlofNewGreenBuildingsProjectCostChenTingting,WangYuNanchangUniversitycollegeofScienceandTechnology,Nanchang330029,ChinaAbstract:Greenbuildingreferstothearchitecturethatcanmaximizetheenergyconservationandenvironmentalprotec⁃tioneffectwithinthewholelifecycleoftheconstruction,andnewgreenbuildingisthetrendofarchitecturaldesignanddevelopmentinthefuturestudyofthebudgetandcostcontrolmodelofengineeringcostisofgreatsignificancefortheim⁃provementofconstructionqualityandthereductionoftheengineeringcost.Whatadoptedinthecurrentprojectcostbud⁃getofthegreenbuildingistheempiricalmodel,yetwithwhichitisdifficulttoformaquantitativeforecastanalysis.Inthispaper,basedonthetimeseriesanalysisofthegrowthindexofprojectcostbudget,analgorithmofprojectcostbudgetandcostcontrolfornewgreenbuildingisproposed,soastorealizetheaccuratepredictionoftheprojectcost.Throughanalysisofthecharacteristicsofnewgreenbuildingsprojectcostbudget,itbuildsamathematicalmodelaboutengineer⁃ingcostpredictionandcontrolofthenewgreenbuilding,carriesontheimprovementofthealgorithm,andthenimproves2015-05-231983ProjectCost/31[1][2][3]Ly⁃apunov[4][5]1[6-10]1thepredictionprecisionoftheengineeringcost.Theresearchresultsshowthatthecontrolmodelcaneffectivelyimprovetheefficiencyofthegreenbuildingconstructioncostcontrolandengineeringquality,thusreducingtheconstructioncostsofnewgreenbuildings.Keywords:newgreenbuildingprojectcostpredictionalgorithmcostcontrol32EngineeringEconomyNo.07201512222.1{}xiNi=1L=éëêêêêêêùûúúúúúúxT1xT2⋮xTN=éëêêêêêêùûúúúúúúx1x1+τ⋯x1+(m-1)τx2x2+τ⋯x2+(m-1)τ⋮⋮⋱⋮xN-1xN-1+τ∙∙∙xN-1+(m-1)τ①mτLL=U*S*CUCC=(c1,c2,⋯,cn)②SLS=diag(σ1,σ2,⋯,σn),σ1≥σ2≥⋯≥σn≥0③ProjectCost/33LmN×mXX=éëêêêêêêùûúúúúúúx1x2⋮x3=éëêêêêêêùûúúúúúúaT1c1aT1c2⋯aT1cmaT2c1aT2c2⋯aT2cm⋮⋮⋱⋮aTNc1aTNc2∙∙∙aTNcm④J(N)xJ(N)xiJ(1)xδxi+1≈J(1)xiδxi⑤δxi=xj-xixjxixj∈Rmj∈1,2,⋯,N{}xiNi=1δxi+1=xj+1-xi+1δxiδxi+1FUFVFU=∑j=1MMinj∈Nj(Fjk)⑥FV=∑j=1MMaxj∈Nj(Fjk)⑦2.2CC=1N[]X--Xl[]X--XlT⑧-xi=1N∑k=1Nxik⑨X=[]X1,X2,⋯,Xm⑩SiFi=∑k=1M∑j∈NjxjkFjk􀃊􀁉􀁓{Fi,FU}μFi=aFi+bFiΔ+cFiΦ􀃊􀁉􀁔aFi=FUFv(FU+Fv)FibFi=(FV-Fi)(Fi-FU)(FU+Fv)FicFi=FiFU+FvQiEiCiQthEthCth3=-34EngineeringEconomyNo.072015(λl-S)U=0􀃊􀁉􀁕dm(0)=Xm-Xk􀃊􀁉􀁖XmXkXm+1Xk+1Xm+1-Xk+1=Xm-Xkeλ1􀃊􀁉􀁗Xm+1x(tn+1)()4Mat⁃labPC53343ProjectCost/35434.5%[1].[J].,2013.29(4):53-55.[2],,.[M].:,2012.[3].[J].,2008(12):114-116.[4].[J].,2013,216(1):171-172.[5].[J].,2014,30(3):215-217.[6].[J].,2014,339(2):264-265[7].[J].200618364-66.[8].[J].2007336-37.[9].[J].,2013,11.[10].[J].,201215.36