Estimating Construction Project Environmental Effects

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1、EstimatingConstructionProjectEnvironmentalEffectsUsinganInput-Output-BasedHybridLife-CycleAssessmentModel123AuroraL.Sharrard;H.ScottMatthews,A.M.ASCE;andRobertJ.RiesAbstract:Thedesignandconstructionindustrieshaveanincreasinginterestinandresponsibilityforabuildingsen

2、vironmentaleffectsoveritsentirelifecycle.Quantificationofallbuildingphasesisimportantinlife-cycleassessments
LCAs,especiallyfortheconstructionphase,whichisoftendisregarded.Thisresearchusesaninput-output-basedLCAframeworktocreateamorecomprehensiveestimateoftheenviron

3、mentaleffectsofconstructionprocesses.ThehybridLCAmodelisbasedonCarnegieMellonUniversitysEconomicInput-OutputLifeCycleAssessment
EIO-LCAtoolandcombinesanewEIO-LCAhybridinterfacewithupdatedandreformulatedenvi-ronmentaleffectvectorsforEIO-LCAs13constructionsectors.Eig

4、htconstructionprojectcasestudiesmodeledontheinput-output
I-O-basedhybridLCAframeworkdemonstratethemodelsbroadapplicability;gasoline,particulatematter,andglobalwarmingpoten-tialeffectsgenerallyincreasedacrossallconstructionsectorsandcasestudies.TheI-O-basedhybridLCA

5、modelforconstructionisintendedtohelpdecisionmakersmakemoreinformeddecisionsregardingtheconstructionindustry,addingenvironmentalqualityandsustainabledevelopmentasprojectgoalsinsteadofunintentionalbenefitsofeconomicdecisions.DOI:10.1061/
ASCE1076-0342
200814:4
327CE

6、Databasesubjectheadings:Lifecycles;Constructionindustry;Environmentalissues;Energyconsumption;Emissions;Constructionsites;Climaticdata;Constructionmanagement.Introductioningmaterialsandproducts;themajorityofpastbuildingresearchhasfocusedontheenvironmentaleffectsofma

7、terialselection,Asaprevalentfixturearoundtheworldandaneconomicindica-buildingenergyuse,and/orindoorenvironmentalquality
Gam-toroftheUnitedStateseconomy,theeconomiceffectsofthebateseandRajendran2005;Horvath2004;LeeandChang2000;constructionindustryare5%oftheU.S.grossdo

8、mesticproductLippiattandNorris1995;OsmanandRies2003.Whilethese
GDP
DOC2005b.Also,pertheBureauofEconomicAnalysiseffectsareimportant,thec