土木工程英文文献及翻译.docx
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土木工程英文文献及翻译
Civilengineering
Civilengineeringisaprofessionalengineering disciplinethatdealswith thedesign,construction, and maintenance ofthe physicalandnaturallybuiltenvironment, including workslikebridges, roads, canals,dams, andbuildings.[1][2][3]Civilengineeringistheoldest engineeringdisciplineaftermilitaryengineering,[4]anditwasdefinedtodistinguishnon-military engineeringfrommilitary engineering.[5] Itistraditionallybrokenintoseveralsub-disciplinesincludingenvironmental engineering,geotechnicalengineering,structuralengineering, transportationengineering,municipalorurban engineering,waterresourcesengineering,materialsengineering,coastalengineering,[4] surveying, andconstructionengineering.[6]Civilengineeringtakesplaceon all levels:
inthepublic sectorfrommunicipalthroughto nationalgovernments, and in theprivatesectorfrom individual homeowners throughtointernationalcompanies。
Historyofthe civilengineering profession
Seealso:
History ofstructuralengineering
Engineeringhasbeen anaspectoflifesincethebeginningsof humanexistence.The earliestpracticesofCivilengineering mayhavecommencedbetween4000and2000BCin Ancient Egypt andMesopotamia(AncientIraq) whenhumansstartedto abandon anomadicexistence,thus causinganeedforthe constructionofshelter. Duringthistime, transportationbecameincreasingly importantleadingtothedevelopment ofthewheelandsailing.
Until moderntimes therewasnocleardistinctionbetweencivilengineeringandarchitecture,andthetermengineerandarchitectwere mainlygeographicalvariationsreferring to the same person, oftenusedinterchangeably.[7]The constructionofPyramidsinEgypt(circa2700-2500BC)mightbeconsideredthefirstinstancesoflargestructureconstructions.Otherancient historic civilengineeringconstructionsincludetheParthenon by Iktinosin Ancient Greece (447-438BC),theAppian Way by Romanengineers(c。
312BC), theGreatWallofChinaby GeneralMeng T'ienunderordersfromCh'inEmperor Shih HuangTi(c。
220BC)[6]andthestupasconstructedinancientSriLankaliketheJetavanaramayaandtheextensiveirrigationworks in Anuradhapura.TheRomansdevelopedcivilstructures throughouttheirempire,includingespeciallyaqueducts, insulae, harbours,bridges,damsandroads.
Inthe 18th century,the termcivilengineeringwascoinedto incorporate all thingscivilian asopposedtomilitary engineering。
[5]The firstself-proclaimed civil engineerwasJohnSmeaton whoconstructedtheEddystoneLighthouse.[4][6]In1771SmeatonandsomeofhiscolleaguesformedtheSmeatonian Society of CivilEngineers, agroup ofleadersof theprofessionwhometinformallyoverdinner。
Thoughtherewasevidenceofsometechnicalmeetings,itwaslittlemore thanasocial society。
In 1818theInstitutionofCivilEngineerswas foundedin London,andin1820theeminentengineerThomasTelfordbecameitsfirstpresident。
Theinstitution receiveda RoyalCharterin1828,formallyrecognising civilengineeringasaprofession.Itscharterdefinedcivilengineering as:
theartof directing thegreat sourcesofpower innaturefortheuseandconvenienceofman,asthemeansofproductionandof trafficin states,bothforexternal andinternaltrade,asappliedintheconstructionofroads,bridges,aqueducts,canals, rivernavigation anddocksfor internalintercourseandexchange,and intheconstructionof ports,harbours, moles,breakwatersandlighthouses, andintheart ofnavigationbyartificialpowerforthepurposes ofcommerce,and in theconstruction andapplicationof machinery,andinthedrainageofcities andtowns.[8]
The firstprivate collegetoteachCivilEngineeringin theUnitedStateswasNorwich University foundedin1819byCaptainAldenPartridge。
[9]ThefirstdegreeinCivil Engineeringinthe UnitedStates wasawarded byRensselaerPolytechnicInstitutein1835。
[10]Thefirstsuchdegreetobeawardedtoa woman wasgranted byCornellUniversityto NoraStanton Blatch in1905.
History ofcivilengineering
Civilengineeringistheapplicationofphysical andscientificprinciples,anditshistoryisintricatelylinkedtoadvancesinunderstandingofphysicsandmathematics throughout history.Becausecivilengineering is awiderangingprofession,includingseveralseparatespecializedsub—disciplines,itshistoryislinkedtoknowledgeof structures,materials science,geography,geology,soils,hydrology,environment,mechanicsandother fields.
Throughoutancientand medievalhistorymostarchitecturaldesignand constructionwascarriedoutbyartisans,suchasstonemasons andcarpenters,risingtotheroleofmaster builder.Knowledgewasretainedin guildsand seldom supplantedbyadvances。
Structures, roadsand infrastructurethatexistedwererepetitive, and increasesinscalewereincremental.[12]
Oneoftheearliestexamplesofascientific approachtophysicalandmathematicalproblemsapplicable to civil engineeringisthe workof Archimedesin the3rdcenturyBC,includingArchimedesPrinciple, whichunderpinsourunderstanding ofbuoyancy,andpracticalsolutions such asArchimedes' screw.Brahmagupta,an Indianmathematician,used arithmeticinthe7thcentury AD,basedonHindu-Arabicnumerals,forexcavation (volume)computations.[13]
Civilengineers typicallypossess anacademicdegreewitha majorincivilengineering。
Thelengthofstudyforsuchadegreeisusuallythree tofiveyearsandthecompleteddegreeisusually designatedasaBachelorofEngineering, thoughsome universitiesdesignatethedegree asaBachelor ofScience.Thedegreegenerallyincludes units coveringphysics,mathematics,projectmanagement, designandspecifictopicsincivilengineering.Initiallysuch topicscover most,ifnotall,ofthesub-disciplinesofcivilengineering。
Studentsthen choose tospecializeinoneor moresub-disciplinestowardstheendofthe degree。
[14]WhileanUndergraduate (BEng/BSc)Degreewill normallyprovidesuccessfulstudentswithindustry accredited qualification,someuniversities offerpostgraduateengineeringawards(MEng/MSc)whichallowstudentstofurtherspecialize intheirparticular areaofinterestwithinengineering.[15]
Inmost countries, aBachelor’sdegreeinengineeringrepresentsthe firststeptowardsprofessionalcertificationandthe degreeprogram itself iscertifiedbyaprofessional body.Aftercompletingacertifieddegreeprogramtheengineermustsatisfyarangeof requirements(including workexperienceand examrequirements)beforebeingcertified。
Once certified,theengineerisdesignatedthetitleofProfessionalEngineer (intheUnited States,CanadaandSouthAfrica),CharteredEngineer(inmost Commonwealthcountries), CharteredProfessional Engineer (inAustraliaandNewZealand),orEuropeanEngineer (inmuch of theEuropeanUnion).Thereareinternationalengineering agreementsbetweenrelevantprofessionalbodieswhicharedesignedtoallowengineerstopracticeacrossinternationalborders.
Theadvantagesofcertificationvary dependinguponlocation.Forexample,intheUnitedStatesand Canada ”onlyalicensedengineer mayprepare,sign and seal,andsubmit engineeringplansanddrawingstoapublicauthority for approval,orseal engineeringworkforpublic andprivate clients.".[16]ThisrequirementisenforcedbystateandprovinciallegislationsuchasQuebec'sEngineersAct.[17]Inothercountries,nosuchlegislationexists.In Australia,statelicensing ofengineersislimitedtothe stateofQueensland.Practicallyallcertifyingbodiesmaintainacodeofethicsthat they expectallmembersto abidebyorriskexpulsion.[18]In thisway,theseorganizations playanimportant roleinmaintainingethicalstandards fortheprofession。
Evenin jurisdictionswherecertificationhaslittle ornolegalbearingon work, engineersaresubject tocontractlaw。
Incaseswhere anengineer'sworkfails heorshemaybe subjectto thetortofnegligence and,in extremecases,thecharge ofcriminal negligence。
[citationneeded] Anengineer’sworkmust alsocomplywithnumerous otherrulesandregulationssuchas buildingcodesandlegislation pertaining toenvironmentallaw.
Careers
Thereisnoonetypical careerpathforcivilengineers.Mostpeoplewhograduatewithcivilengineering degrees start with jobs thatrequire a lowlevelofresponsibility,andas the newengineers provetheircompetence,theyare trusted withtasksthathavelarger consequencesand require a higherlevelofresponsibility.However, withineach branch ofcivilengineeringcareerpathoptionsvary.In somefields andfirms,entry—level engineersare puttowork primarilymonitoringconstructioninthefield, serving asthe"eyes andears”ofseniordesignengineers;whilein otherareas,entry-levelengineersperform themoreroutinetasksof analysisor designandinterpretation.Experiencedengineersgenerallydomore complexanalysisor designwork,ormanagementofmorecomplex designprojects,or managementofotherengineers,or intospecializedconsulting,includingforensicengineering。
Ingeneral,civil engineeringisconcernedwiththeoverall interfaceofhumancreatedfixedprojectswiththegreaterworld。
Generalcivilengineersworkcloselywithsurveyors andspecializedcivilengineersto fitand servefixedprojects withintheirgivensite, communityandterrainby designinggrading,drainage,pavement,watersupply,sewerservice,electric andcommunicationssupply,andlanddivisions.Generalengineersspend muchoftheirtime visiting projectsites,developingcommunityconsensus,and preparing construction plans。
Generalcivilengineering isalso referredtoas siteengineering,abranchof civilengineering thatprimarilyfocuseson convertingat