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1、資料內容僅供您學習參考，如有不當或者侵權，請聯(lián)系改正或者刪除。畢業(yè)設計(外文文獻翻譯)題目:新余學院學生實習樓系別:土木與建筑學院專業(yè):級建工方向姓名:汪楠學號:102745指導教師:李新猷外文翻譯Abstract:Totopologystudytheoptimizationapplicationmethodsoftocontinuumrealstructuralengineering資料內容僅供您學習參考，如有不當或者侵權，請聯(lián)系改正或者刪除。structures,anoptimizationmethodforanop
2、timaltopologydesignofmultistorysteelframebracingsystemsispresented.Onasensitivityanalysis,anelementremovalcriterionforcontinuumstructureswithstressandmulti-displacementconstraintsundermultiplelateralloadingconditionsisproposed.Aconceptofmeanthicknessofadesigndomainisp
3、rovidedtoensurethereasonablenessofoptimalresults.Intheproposedoptimizationmethod,theoptimaldesignofanunbracedsteelframewithoutdisplacementconstraintsisperformedfirstly,andthentheoptimaltopologyofabracingsystemforthemultistorysteelframeconsideringdisplacementconstraint
4、sisobtainedbyusingevolutionarystructuraloptimizationandthegivenremovalcriterion,andfinallytheoptimalayoutofthebracingsystemisinterpretedasbracingmembers.Anexampleof3-bay12-storyplanesteelframeshowsthatitiseffectiveforthegivenoptimizationmethodintheoptimaldesignofbraci
5、ngsystemsformultistorysteelframes.Keywords:steelframe;bracingsystem;continuum;topologyoptimization;evolutionarystructuraloptimization2.1ReinforcedConcrete資料內容僅供您學習參考，如有不當或者侵權，請聯(lián)系改正或者刪除。Plainconcreteisformedfromahardenedmixtureofcement,water,fineaggregate,coarseaggrega
6、te(crushedstoneorgravel),air,andoftenotheradmixtures.Theplasticmixisplacedandconsolidatedintheformwork,thencuredtofacilitatetheaccelerationofthechemicalhydrationreactionlfthecement/watermix,resultinginhardenedconcrete.Thefinishedproducthashighcompressivestrength,andlo
7、wresistancetotension,suchthatitstensilestrengthisapproximatelyonetenthlfitscompressivestrength.Consequently,tensileandshearreinforcementinthetensileregionsofsectionshastobeprovidedtocompensatefortheweaktensionregionsinthereinforcedconcreteelement.Itisthisdeviationinth
8、ecompositionofareinforcesconcretesectionfromthehomogeneityofstandardwoodorsteelsectionsthatrequiresamodifiedapproachtothebas
