对混凝土结构设计中一些问题的讨论毕业论文外文文献翻译Word格式.docx

对混凝土结构设计中一些问题的讨论毕业论文外文文献翻译Word格式.docx

《对混凝土结构设计中一些问题的讨论毕业论文外文文献翻译Word格式.docx》由会员分享，可在线阅读，更多相关《对混凝土结构设计中一些问题的讨论毕业论文外文文献翻译Word格式.docx（12页珍藏版）》请在冰豆网上搜索。

Keywords:

design;

structurecalculation;

reinforcementstructure;

protectivelayerthickness

Abstract:

Toenablethestructuralbesafeandsuitable,economic,andreasonableisastructuralengineer’staskandresponsibility.Accordingtolong-termworkexperience，tointroducetheprinciplesofearthquake-resistantdesign,seismicperformancemeasurestoimprovehousingfromtheviewpointofconceptualdesign.Introducetheenvironmentalcategoriesandthedeterminationofthethicknessofprotectivelayer,thecalculationoffreesupportedbeamsettingsandtheotherissueswithengineeringpractice.

1.ConceptualDesignandStructure,

Inearthquake-resistantdesign,therearemanyfactorsaffecttheseismicabilityofthewholestructure.Suchas:

Thecarryingcapacityanddeformationcapacityofstructuralelements,thematerialpropertiesandtheprovisionofenergyreservesofnon-structuralelements;

theconnectionstructure;

structuralstability;

theanti-destructivepowerofthestructure’soverallperformanceundertheactionofexperiencingforthefirsttimeearthquakeandrepeatedtheroleofaftershocks.Atpresent,onlythefirstfactorcouldbecalculated,otherfactorscouldnotbe.Onlythroughtheconceptualdesignandstructuresothatstructuralsystemcanachievethenecessarybearingcapacity,stiffness,stability,theabilityofenergyabsorptionanddissipation,thatis,sufficientductility.Ofcomplexstructure,One-thirdcalculation,sevenpartsconstructed,moreimportantly,istheconceptualdesign.

（1）TheConceptualDesign

Materialproperties,componentperformance,connectionstructure,structuralsystems，canbetestedthroughexperimentsandpractice,butcannotbecalculated,isknownasconceptualdesign.Seismicdesignshouldbeguidedbythefollowingprinciples:

（1）Thebearingcapacity,stiffness,qualityofstructureshouldbesymmetrically,uniformly,continuouslyarrangedalongtheplaneandheighttoavoidthestressconcentration；

（2）Shouldsetupmulti-channelseismiclineofdefense,arrangestaticallyindeterminatestructureandhigherductilitycomponents,payattentiontostrengtheningthestaticallydeterminatestructure，thekeypartsandtheweaknessesappropriately;

（3）Payattentiontostructuralintegrityoftheconnection,thesamestructuralunitshouldbefirmlyconnectedwhilethedifferentstructuralunitsshouldcomplywiththerequirementsofthecompleteseparation;

（4）Estimationandcontrolofplastichingeoccursextentandlocation，arrangethestructuretargetedandcontroltheprocessyieldandfinalyieldformationmechanismofthestructure;

（5）Toachievestrongcolumnweak-beamandstrongshearweakbending;

（6）Takeeffectivemeasurestopreventthebrittlefailuresuchasprematureshearbreakofconcrete,anchorage-sideslidingofsteelandconcretecrushingetc;

（7）Thebearingcapacityandstiffnessoftheconnectednotesshouldbecompatiblewiththestructure,andthebearingcapacityshouldnotlessthanthestructure’s;

（8）Theindiscriminateincreaseinsteelconsumptionshouldbeavoided，ifthedesignbearingofapartistoolargeortoolittlemayresultintherelativelyweakofstructure,theexcessiveuseofthebendingsteelofbeamend,columnendandthestrengtheningpartsofsharewallshouldbereducedwhentheycanmeettherequirementsofbearingandconstruction;

（9）Considerthebeneficialandadverseeffectsofnon-structuralcomponentsonthemainstructure.

（2）StructureConstruction

Structuresystemsrelyonmechanicalcalculationtoensurethebearingcapacityanddeformation,whiledependonconstructionmeasurestoconnectthestructureelementsandformasystem.Reasonableconstructionscanensureaclearloadtransferofcomponents,guaranteetheabsorptionanddissipationofenergyunderrepeatedactionofforce;

avoidthelossofcarryingcapacityandanti-seismiccapacityoftheentirestructuralsystemcausedbythedestructionofsomeelements;

ensurethedurabilityduringdesignlife.Wecansaythatconstructionisastructuralconcreteofconceptualdesign.Wehaveacompletestructuralconstructionmeasuresforthepilotstudythroughseveraldecadesofpractice,especiallyafterlearningtheexperiencesandlessonsofTangshanearthquake.Therecognizeisconstantlyimproved,theconceptualdesigniscontinuouslydeveloped,,wenotonlyneedtotakeproperuseofthecurrentmeasuresforstructuraldesignandconstruction,butalsoneedtoconstantlysumup,enrichandimproveourability.　

2.Structuralcalculation

（1）Theloadmustbeaccurate

Loadsincludestructuralweight,constructionmaterials,equipmentsloads（equipmentweight,pipesweight）,buildingfeaturesrequiredliveload,wind,snowloads,earthquakeforces,temperaturechangescausedstress,andotherincidental