土木工程毕业设计外文翻译

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1、KSJFHKDSJHFJKSHSDKFHDJKHFSJKFDHJFHJKSHFJKSHFJKSHFKJ毕业设计（论文）外文翻译设计（论文）题目：宁波新城艺术宾馆2#楼结构设计与预算学院名称：建筑工程专业：土木工程学生姓名：顾丽敏学号：06404010101指导教师：袁坚敏2010年01月10日SKHFKNSNFSKHFSJKNFKFNSKNFSFKLSFJKNFJKSLKFHJKSKSJFHKDSJHFJKSHSDKFHDJKHFSJKFDHJFHJKSHFJKSHFJKSHFKJ外文原文I：Afund

2、amentalexplanationofthebehaviourofreinforcedconcretebeamsinflexurebasedonthepropertiesofconcreteundermultiaxialstressM.D.KotsovosDepartmentofCivilEngineering,ImperialCollegeofScienceandTechnology,London(U.K.)Thepaperquestionsthevalidityofthegenerallyacce

3、ptedviewthatforareinforcedconcretestructuretoexhibit"ductile"behaviourunderincreasingloaditisnecessaryforthestressstrainrelationshipsofconcretetohaveagraduallydescendingpost-ultimatebranch.Experimentaldataarepresentedforreinforcedconcretebeamsinbendingwh

4、ichindicatethepresenceoflongitudinalcompressivestrainsonthecompressivefaceinexcessof0.0035.Itisshownthatthesestrains,whichareessentialfor"ductile"behaviour,arecausedbyacomplexmultiaxialcompressivestateofstressbelowultimatestrengthratherthanpostultimatema

5、terialcharacteristics.Thepresenceofacomplexstresssystemprovidesafundamentalexplanationforbeambehaviourwhichdoesnotaffectexistingdesignprocedures.1.INTRODUCTIONThe"planesections"theorynot,onlyisgenerallyconsideredtodescriberealisticallythedeformationrespo

6、nseofreinforcedandprestressedconcretebeamsunderflexureandaxialload,butisalsoformulatedsothatitprovidesadesigntoolnotedforbothitseffectivenessandsimplicity[1].Thetheorydescribesanalyticallytherelationshipbetweenload-carryingcapacityandgeometriccharacteris

7、ticsofabeambyconsideringtheequilibriumconditionsatcriticalcross-sections.Compatibilityofdeformationissatisfiedbythe"planecross-sectionsremainplane"assumptionandthelongitudinalconcreteandsteelstressesareevaluatedbythematerialstress-straincharacteristics.T

8、ransversestressesandstrainsareignoredforthepurposesofsimplicity.Thestress-straincharacteristicsofconcreteincompressionareconsideredtobeadequatelydescribedbythedeformationalresponseofconcretespecimenssuchasprismsorcylinders