《桥梁建筑新论》第一章绪论New theory of bridge construction Chapter 1 Introduction.docx

《桥梁建筑新论》第一章绪论New theory of bridge construction Chapter 1 Introduction.docx

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《桥梁建筑新论》第一章绪论NewtheoryofbridgeconstructionChapter1Introduction

《桥梁建筑新论》-第一章绪论（NewtheoryofbridgeconstructionChapter1Introduction）

"Bridgebuildingtheory"-thefirstchapteristheintroductionof.Txt

"Bridgebuildingtheory"-thefirstchapter

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Youarenowinapositionto"bridgespacenetwork"professionalWenYuan"highwaybridgeinthispaperhasbeenread50times.

"Bridgebuildingtheory"-thefirstchapter

Author:

ZhangShiding

（copyright,withoutpermissionfromtheauthor,donotreprint）

Thefirstchapteristheintroduction

Thestatusof1.1bridgearchitecture

Atpresent,theauthoralsodidnotseethe"bridgearchitecture"inotherwritingssaid,probablybecauseofsomeworksonlyonthebridgeaesthetics,oronlytalkabouttheartofbridgeconstructionconcretebecauseofit.Inthetextbooksoftheauthorsee,probablyincluding:

Averyroughdescriptionofthebridgedevelopment;

Theclassificationsystemofthebridgesystemisnotenough;

Thesimplecrossbridgeholelayoutprinciplesandcross-sectionaldesignetc.;

Theclassificationoffragmentedstructureandcomponentcrosssectionform4;

Althoughthetalkofbridgeaesthetics,andthelandscapedesign,buthasnotyetestablishedasystemoftheory.

Thestudyofmechanicsandaesthetics,therelationshipofstructurestresssuperiorresearch,designofbridgeprojectandselectedtheoreticalresearchisscanty.

Inthepast,numericalcalculationusingtheslideruleormechanicalcomputer,computationalmethodsareverylimited,andoftenneedadeepunderstandingofthemechanicalpropertiesofthestructure（structural

Performance）,suchastheforcetransmissionpath,intheclearbearingstructuresystemwhichisanimportantcomponentofwhichisthepremiseofasecondarycomponentundertheproposedsimplifiedschemaofstructure,whichisinthenumericaltimemancanachievecomputingpowerrange,canleadtosatisfactoryresults,sometimes,oftenneedtomakeotheraspectsthesacrifice,forexample,thestructureofstaticstructureorindeterminatenumberless;thecomparisonstageintheprogram,butalsotomakeachoiceofdifferentstructuralsystems.Objectivelyspeaking,theimportanceofbridgeconceptualdesignfavorable.Butalsobecauseofthecalculationmeansbackward,thebridgestructureoflargespan,nonlinearandcomplexsystembehaviorresearchisnotenough,whichrestrictsthedevelopmentofthebridge.

Withthedevelopmentofscienceandtechnology,electroniccomputer（electronicdigital

Computerhashighspeed）,thecapacityislarge,itismoreandmorewidelyusedinthefieldofbridge,theanalysisofengineeringstructuresbecomeaneasyjobtodo,sothatthecalculationofthestructuredesignerfrompreviousheavyout,andcandesignsuchastheAkashikaikyobridge,theGreatBeltBridgeofDenmarkandHongkong.NinebridgeandTsingMaBridgeandotherfamousbuildings.Butbecausethecomputeritselfisnotonthestructureofsystemeffectivenessdifferencemakefavorablechanges,whichwillleadtothestructureofsystemisnotsuitabletoaccept.Therefore,thedesignercannotonlycanusestructuralanalysissoftware,andshouldhavetheenergy,andthethoroughresearchofbridgeconstructiontechnology,thestructureofsuperior,technicallyfeasibleandeconomicallyreasonable,beautifulandharmonious,tomakeupfortheinadequacyofthecomputer.

Thesystematicarchitectureistobuildbridgesofbridgeengineeringwhichisapressingmatterofthemoment,byoneofthemaincontentsscattered,systematicandscientificexperiencetotype.

Characteristicsofthe1.2bridgearchitecture

Tosaythecharacteristicsofbridgearchitecture,perhapsonlythehousingarchitecturearecomparedcanbedisplayed.Ithinkthatthesimilaritiesanddifferencesbetweenthebridgearchitectureandbuildingarchitectureisthesimilaritiesanddifferencesbetweenthebridgeandthehouse.

Thehousingstructurehasthefollowingcharacteristics:

-isthemainenvelope;

-theflatterrain;

-geologicalchangeslittle;

Thepress;

Thecolumnisthemainbearingmember;

Andthedeadloadofthetotalloadofmost;

Theconstructionisoftenusedtobuilduplayersofsupport.

Thebridgestructurehasthefollowingcharacteristics:

-isthemaincrossingstructure（exposed）,itsspanisoftenbuildingincomparable;

Often,acrosstheriver,eventhecanyon;

Andacrosstheterrainandgeologyarecomplexandchangeable;

Andoftenanarrowbeltalongthebridgedirection;

Andthemainbearingmembertobendingandshearing（beam）,pressure（arch）orpull（bridge）;

Liveload（vehicles,pedestrians）accountedforalargeproportion;

Theconstructionmethods,theconstructionprocessiscomplex,andmaychangethecomplexsystem.

Thisdeterminesthemaximumcharacteristicsofbridgebuildingisdifferentfromtheotherbridgeconstructionmustfirstmeettherequirementsofstaticbalance,theforceofgravityisthecharacteristicsofthebuildingcharacteristicsofbridgearchitecture.

Asanegativeexample,the[1.2]mentionedintheSeineRiverinParisonthe"LizAusterArmandbridge"failureofthearchitectcompetitiongraphisshocking,inmyview,itisbecauseofthesewhodesignedthebuildingfamousarchitectofthebridgeconstructioncharacteristicsofthelackofunderstanding,itledtothefruit.

Theauthornotonly,theauthorputforwardtwentyprinciples,thebridgedesignshouldfollowthetwentyprinciples,thebridgespanarrangementshouldfollowthesevenprinciples,conversionbridgeinternalforceanalysisandrelevantsystemofroughbridgelandscapedesign,tobuildabridgearchitecture.

Thecontentsof1.3bridgearchitecture

Bridgearchitecture（bridgearchitecture）,notonlyshouldthebridgeaesthetics（Bridge

Aesthetics）,whichshouldincludetheoptimalbridgestresstheory,andputitinaveryimportantposition,atthesametime,includingtheoveralldesign,bridgedesignandcomparisonetc..

Thebasictheoreticalknowledgeofbridgearchitecturerequired:

theoreticalmechanics,materialmechanics,structuralmechanics,structuraldesignprinciple,hydraulics,soilmechanics,bridgedevelopmenthistory,aesthetics,designandconstructionofbridge.ThebridgebuildingdesignisabovethebasictheoryandArchitecture（LandscapeArchitecture）organicintegration.

Consideringthebasicknowledgerelatedinbridgeengineeringtextbooksingeneralhavediscussed,andeventhebridgeaesthetics,landscapearchitecturaldesignandmonographon,sohereonlybriefly,andwillfocusontheoptimalbridgedesigntheory,thebridgespanlayout,crosssectionselectionandschemedesignandcomparison.,andbrieflyintroducestheNanjingRoadTaizhouyinjianghebridgeplanninganddesignetc..

Therefore,thisbookforthefollowingchapters:

Thefirstchaptertellsthestatusofbridgeconstructiondesign,anddiscussesthearchitectandengineerduties,technologyandart,relationshipbetweenstructureandfunctionintheconstructionoftheimportanceandthegeneralprincipleofmodernarchitecturaldesign.

Thesecondchapter:

theoutlineofthedevelopmentofbridge.Thisistheunderstandingofthebasicknowledgenecessaryforbridgeconstruction.

Thethirdchapter:

thereasonablestructureofbridgerules,theauthorsummarizes20principles.Thisisoneofthemaincontentsofthisbook.

Thefourthchapter:

thebridgeclassification,thebridgeisdividedinto15categories,anewevaluationofthebridgeare.Thisisoneofthemaincontentsofthisbook.

Thefifthchapter:

thebridgeinternalforceroughestimateandcross-sectionsize,calculationmethodslistedhereisveryrough,butisconducivetosimple,convenientandfasttocalculatetheinternalforce,andgivesaroughsectionsize.

Thesixthchapter:

thebridgedesign,mainlyexpoundsthe20principlesofbridgespanlayout,thedesignshouldbetakenintoconsideration,planningandprojectselection.Thisisoneofthemaincontentsofthisbook.

Theseventhchapter:

engineeringdesigncases-NanjinghighwayTaizhouYinjiangRiverBridge,thebridgeasanexample,thewholeprocessofarchitecturaldesignofbridge.Thisisoneofthemaincontentsofthisbook.

Theeighthchapter:

thenewstructureandtheprospectofnewbridge,bridgefullbridgemainlyintroducestheauthorandothernewbridgeandideas,thefutureprospectofthebridge.

Divisionoflaborandcooperation[1.3]1.4architectsandstructureengineers

Thearchitecttoartists,aesthetesitself,thelackofrealunderstandingoftechnology,thereisnotechnicaldesigncreativeinspiration,thelackofextensiveandsincerecooperationwiththeengineer,thearchitecturaldesignisoftensuperficial,difficulttoescapetheaestheticcategory,whichhinderstheconstructionofinnovation.

Onthecontrary,thestructureengineersare"importanceofthings,despiseexternalthings"inside,emphasisonthethinkingofthetechnologyitselfandtheinternalorganizationoftherelationship,easytofallintothetediouscalculationsanddetailsofthecomplexprocess,andinvolvesthenature,societyandpeople'spsychologicalfeelingssuchasbuildingproblemssimplyattributedtotechnicalproblemsofone-waythetheoryoftechnologytobecometheonlytoacertainextent"".

Fortheproblemoftherelationshipbetweentechnologyandart,structuralengineerandarchitectNervisaidin"technologyandart"buildingabook:

Atechnicallyperfectworks,

Possibleintheartisticeffectispoor;

However,whetherancientormodern,

Butnoonerecognizedoutstandingarchitectureaesthetics.

Thetechnologyisnotgood."

Here,toomuchemphasisontheartofner