工程造价外文及翻译Word文件下载.docx

工程造价外文及翻译Word文件下载.docx

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工程造价外文及翻译@#@TheCostofBuildingStructure@#@1.Introduction@#@Theartofarchitecturaldesignwascharacterizedasoneofdealingcomprehensivelywithacomplexsetofphysicalandnonphysicaldesigndeterminants.Structuralconsiderationswerecastasimportantphysicaldeterminantsthatshouldbedealtwithinahierarchicalfashioniftheyaretohaveasignificantimpactonspatialorganizationandenvironmentalcontroldesignthinking.@#@Theeconomicalaspectofbuildingrepresentsanonphysicalstructuralconsiderationthat,infinalanalysis,mustalsobeconsideredimportant.Costconsiderationsareincertainwaysaconstrainttocreativedesign.Butthisneednotbeso.Ifsomethingisknownoftherelationshipbetweenstructuralandconstructivedesignoptionsandtheircostofimplementation,itisreasonabletobelievethatcreativitycanbeenhanced.Thishasbeenconfirmedbytheauthors’observationthatmostenhanced.Thishasbeenconfirmedbytheauthors’observationthatmostcreativedesigninnovationssucceedundercompetitivebiddingandnotbecauseofunusualowneraffluenceasthefewpublicizedcasesofextravagancemightleadonetobelieve.Onecouldevensaythatadesignerwhoistrulycreativewillproducearchitecturalexcellencewithintheconstraintsofeconomy.Especiallytoday,wefindthatthereisaneedtorecognizethateleganceandeconomycanbecomesynonymousconcepts.@#@Therefore,inthischapterwewillsetforthabriefexplanationoftheparametersofcostanalysisandthemeansbywhichdesignersmayevaluatetheoveralleconomicimplicationsoftheirstructuralandarchitecturaldesignthinking.@#@Thecostofstructurealonecanbemeasuredrelativetothetotalcostofbuildingconstruction.Or,sincethetotalconstructioncostisbutapartofatotalprojectcost,onecouldincludeadditionalconsiderationforland（10～20percent）,financeandinterest（100～200percent）,taxesandmaintenancecosts（ontheorderof20percent）.Butadiscussionoftheseso-calledarchitecturalcostsisbeyondthescopeofthisbook,andwewillfocusonthecostofconstructiononly.@#@Ontheaverage,purelystructuralcostsaccountforabout25percentoftotalconstructioncosts,Thisissobecauseithasbeentraditionaltodiscriminatebetweenpurelystructuralandotherso-calledarchitecturalcostsofconstruction.Thus,intraditionwefindthatarchitecturalcostshavebeentakentobethosethatarenotnecessaryforthestructuralstrengthandphysicalintegrityofabuildingdesign.@#@“Essentialservices”formsathirdconstructioncostcategoryandreferstotheprovisionofmechanicalandelectricalequipmentandotherservicesystems.Ontheaverage,theseservicecostsaccountforsome15to30percentofthetotalconstructioncost,dependingonthetypeofbuilding.Mechanicalandelectricalreferstothecostofprovidingforair-conditioningequipmentandhemeansonairdistributionaswellasotherservices,suchasplumbing,communications,andelectricallightandpower.@#@Thesalientpointisthatthisbreakdownofcostssuggeststhat,uptonow,anaverageofabout45to60percentofthetotalcostofconstructingatypicaldesignsolutioncouldbeconsideredasarchitectural.Butthispictureisrapidlychanging.Withhighinterestcostsandascarcityofcapital,clientgroupsaredemandingleanerdesigns.Therefore,onemayconcludethattherearetwoapproachesthedesignermaytaketowardsinfluencingtheconstructioncostofbuilding.@#@Thefirstapproachtocostefficiencyistoconsiderthatwhereverarchitecturalandstructuralsolutionscanbeachievedsimultaneously,apotentialforeconomyisevident.Sincecurrenttrendsindicateareluctancetoallocatelargeportionsofaconstructionbudgettopurelyarchitecturalcosts,thisapproachseemsalogicalnecessity.But,evenwheremoneyisavailable,anyuseofstructuretoplayabasicarchitecturalrolewillallowthenonstructuralbudgettobeappliedtofulfillotherarchitecturalneedsthatmightnormallyhavetobeappliedtofulfillotherarchitecturalneedsthatmightnormallyhavetobecutback.Thesecondapproachachieveseconomythroughanintegrationofserviceandstructuralsubsystemstoroundoutone’sefforttoproduceatotalarchitecturalsolutiontoabuildingdesignproblem.@#@Thefinalpricingofaprojectbytheconstructororcontractorusuallytakesadifferentform.Thecostsarebrokendowninto

（1）costofmaterialsbroughttothesite,

（2）costoflaborinvolvedineveryphaseoftheconstructionprocess,（3）costofequipmentpurchasedorrentedfortheproject,（4）costofmanagementandoverhead,and（5）profit.Thearchitectorengineerseldomfollowssuchanaccuratepathbutshouldperhapskeepinmindhowtheactualcostofastructureisfinallypricedandmadeup.@#@Thus,thepercentaveragesstatedaboveareobviouslycrude,buttheycansufficetointroducethenat