2、arch on constructionprojectcost managementAbstractsInrecentyears,theconstructionmarketcompetitionisbecomingincreasinglyfierce,especiallybecausethemarketmechanismisnotperfect,thebiddingpriceislow,theconstructionofpartyfundingdifficulties,resultingintheconstructionenterpriseeconomicbenefitispoor,ser