建筑毕业设计外文翻译及译文--大跨度FRP网架结构的展望和分析.doc建筑毕业设计外文翻译及译文--大跨度FRP网架结构的展望和分析.doc

收藏 分享

资源预览需要最新版本的Flash Player支持。
您尚未安装或版本过低,建议您

中国石油大学(华东)本科毕业设计(论文)1DEVELOPMENTANDANALYSISOFTHELARGESPANFRPWOVENWEBSTRUCTUREABSTRACTANINNOVATIVELARGESPANSTRUCTURALSYSTEM,NAMELYTHEFRPWOVENWEBSTRUCTUREFRPWWS,ISINTRODUCEDINTHISPAPERINANFRPWWS,THEHIGHSTRENGTHFRPSTRIPSARE“WOVEN”LIKEBAMBOOSTRIPSINACHINESEBAMBOOMATTOFORMAPLANEWEBTHEOUTEREDGEOFTHEWEBISANCHOREDONANOUTERRINGBEAM,ANDANINNERRINGBEAMISPROVIDEDTOANCHORTHEFRPSTRIPSATTHECENTEROFTHEWEBTHESTIFFNESSOFTHEWEBTORESISTVARIOUSLOADSISDERIVEDFROMTHEINITIALPRESTRESSINGDURINGTHE“WEAVING”STAGEANDTHEADDITIONALTENSIONINGASARESULTOFTHEOUTOFPLANEMOVEMENTOFTHEINNERRINGBEAMASARESULTOFTHEHIGHSTRENGTHTOWEIGHTRATIOOFFRP,THISNEWSTRUCTURALFORMOFFERSANATTRACTIVEOPTIONFORTHECONSTRUCTIONOFSPATIALSTRUCTURESWITHSPANSLONGERTHANAREPOSSIBLEWITHCONVENTIONALSTRUCTURALMATERIALSINTHISPAPER,THEBASICLAYOUTANDCONSTRUCTIONPROCEDUREFORASIMPLEFRPWWSISFIRSTPRESENTEDTHREEBASICWEAVINGPATTERNSARENEXTEXPLAINEDSEVERALVARIATIONSOFTHEBASICSTRUCTURALSYSTEMAREALSOPROPOSEDASIMPLEMECHANICALMODELISPRESENTEDFORTHEDEFORMATIONOFINDIVIDUALFRPSTRIPSRESULTSFROMAFINITEELEMENTANALYSISOFANEXAMPLESTRUCTUREAREALSOGIVENTHERESULTSOFTHESEANALYSESCONFIRMTHEFEASIBILITYOFTHEFRPWWS1INTRODUCTIONFRPISANEWKINDOFSTRUCTURALMATERIAL,WHOSEUSEINCIVILENGINEERINGHASBEENACTIVELYEXPLOREDINRECENTYEARSDUETOITSFAVORABLEPROPERTIESLIKE中国石油大学(华东)本科毕业设计(论文)2CORROSIONRESISTANCE,HIGHSTRENGTH,LOWWEIGHT,GOODFATIGUEPERFORMANCE,ANDLOWMAINTENANCECOST,ITISCONSIDEREDTOBEANIDEALMATERIALFORCONSTRUCTINGLONGSPANSTRUCTURESINTHENEWCENTURYHOWEVER,ITSMECHANICALPROPERTIESAREDISTINCTLYDIFFERENTFROMTHOSEOFTRADITIONALSTRUCTURALMATERIALSINSOMEASPECTS,SUCHASITSANISOTROPYDUETOTHEUNIQUEPROPERTIESOFFRP,ITISNECESSARYTOEXPLORENEWFORMSOFLARGESPANSTRUCTURESFORITSEFFICIENTUSEANDFORACHIEVINGSPANSLARGERTHANAREPOSSIBLEWITHTRADITIONALMATERIALSFOREXAMPLE,MAEDAETAL2002HAVECONCEIVEDA5000METERSPANSUSPENSIONBRIDGEUSINGFRPTHEFRPWOVENWEBSTRUCTURE,ANEWLARGESPANSTRUCTURALSYSTEM,ISPRESENTEDINTHISPAPERTHISNEWSYSTEMREPRESENTSANATTEMPTAIMEDATTHEEFFICIENTUTILIZATIONOFTHEUNIQUECHARACTERISTICSOFFRPINALARGESPANROOFINANFRPWWS,THEHIGHSTRENGTHFRPSTRIPSAREWOVENLIKEBAMBOOSTRIPSINACHINESEBAMBOOMATTOFORMAPLANEWEBTHEOUTEREDGEOFTHEWEBISANCHOREDONANOUTERRINGBEAM,ANDANINNERRINGBEAMISPROVIDEDTOANCHORTHEFRPSTRIPSATTHECENTEROFTHEWEBASMALLSCALEMODELOFASIMPLEFRPWWSISSHOWNINFIGURE1THEFRPSTRIPSAREINITIALLYPRESTRESSEDTOALIMITEDEXTENTTOKEEPTHEMSTRAIGHTDURING“WEAVING”THEN,THEFRPWEBISTENSIONEDBYADISPLACEMENTOFTHEINNERRINGBEAMINTHEOUTOFPLANEDIRECTION,WHICHISEFFECTEDEITHERBYASETOFPRESTRESSEDTENDONSORBYSUSPENDINGAHEAVYMASSFROMTHEINNERRINGBEAMASARESULT,ATENSIONEDFRPWEB,WHOSEGEOMETRICSTIFFNESSISABLETORESISTAVARIETYOFLOADS,FORMSALARGESPANROOFSYSTEMWITHTHETWORINGSTHEFRPWWSRESEMBLESTHECABLENETSTRUCTUREANDTHECABLEMEMBRANESTRUCTURETHEIRMEMBERSAREFLEXIBLE;ANDTHEGEOMETRICSTIFFNESSRESULTINGFROM中国石油大学(华东)本科毕业设计(论文)3TENSIONISUTILIZEDTORESISTLOADSHOWEVER,THEFRPWWSHASITSUNIQUEADVANTAGES1THEFRPSTRIPSAREIDEALFORSUPERLARGESPANSTRUCTURESDUETOTHEIRLOWSELFWEIGHTANDTHEIRSUPERIORMATERIALPROPERTIESINTHELENGTHWISEDIRECTION,WHICHAREEFFICIENTLYUTILIZED,WHILETHEWEAKNESSOFINFERIORPROPERTIESINTHETRANSVERSEDIRECTIONSISNOTEXPOSED;2SIGNIFICANTDAMPINGCANBEEXPECTEDTOARISEFROMFRICTIONATJOINTSBETWEENFRPSTRIPS,WHICHCANENHANCETHERESISTANCEOFTHESTRUCTURETOWINDANDEARTHQUAKELOADS;3THEREGULARWEAVINGPATTERNLEADSTOANAESTHETICALLYPLEASINGSURFACE;AND4THECORROSIONRESISTANCEOFFRPANDTHEEASEOFINSTALLATIONBECAUSEOFITSLIGHTWEIGHTTRANSLATEINTOLOWMAINTENANCECOSTSINTHISPAPER,THEBASICLAYOUTANDCONSTRUCTIONPROCEDUREFORASIMPLEFRPWWSSYSTEMISPRESENTEDINDETAILTHEWEAVINGPATTERNSINPLANEARESUMMARIZEDINTOTHREETYPESSOMESPATIALFRPWWSFORMSFORPRACTICALAPPLICATIONSAREALSOPROPOSEDASIMPLEMECHANICALMODELFORINDIVIDUALFRPSTRIPSINTHEWEBISPRESENTEDRESULTSFROMTHEFINITEELEMENTANALYSISOFASIMPLEFRPWWSAREALSODESCRIBED2LAYOUTOFASIMPLEFRPWWSASIMPLEFRPWOVENWEBSTRUCTUREISCOMPOSEDOFAFRPWOVENWEB,ANOUTERRINGBEAMANDANINNERRINGBEAMFORANCHORAGE,ANDANADDITIONALWEIGHTORASETOFPRESTRESSEDTENDONS,ASSHOWNINFIGURE1THEWEBISWOVENWITHFRPSTRIPS,ANDCFRPSTRIPSOROTHERHIGHPERFORMANCEHYBRIDFRPSTRIPSARESUGGESTEDCFRPSTRIPS,WHICHHAVE中国石油大学(华东)本科毕业设计(论文)4BEENWIDELYUSEDTOSTRENGTHENCONCRETESTRUCTURESINRECENTYEARS,AREMANUFACTUREDBYPULTRUSIONINGENERAL,WITHAFIBERVOLUMERATIOOFABOUT65THEPROPERTIESOFTWOREPRESENTATIVEPRODUCTSMADEINCHINAANDSWITZERLANDRESPECTIVELYARELISTEDINTABLE1THESTRIPSCANBECURVEDANDCIRCUMVOLUTEDDUETOTHEIRSMALLTHICKNESSATYPICALCFRPSTRIPWITHPROPERTIESSIMILARTOTHOSESHOWNINTABLE1ISABLETORESISTATENSILEFORCEOF400KNORMORE,WHILETHEWEIGHTOFA300MLONGSTRIPISLESSTHAN70KGINCOMPARISON,THESELFWEIGHTOFA300MLONGHIGHSTRENGTHSTEELCABLEWHICHCANRESISTTHESAMELOADISMORETHAN500KGTHESTRIPSAREARRANGEDINTOAPLANESURFACEOFASUITABLEPATTERNBYSOMEPREDEFINEDRULESINTHESIMPLESTWEAVINGPATTERN,EACHSTRIPPASSESOVERONECROSSINGSTRIPANDUNDERTHENEXTTOFORMAWEBLIKEAWOVENFABRICAPARTOFSUCHWEBISSHOWNINFIGURE2PONGETAL2004INAMOREGENERALCASE,THENUMBEROFSTRIPSMEETINGATAJOINTANDTHEANGLESBETWEENTHESESTRIPSARETHEBASICPARAMETERSOFAWEAVINGPATTERNTWOSTRIPSAT90TOEACHOTHERARESHOWNINFIG3A,THREESTRIPSAT60SHOWNINFIG3B,ANDFOURSTRIPSAT45SHOWNINFIG3CATTHEJOINTS,STRIPSCANBEFULLYINTERCONNECTEDBYADHESIVEBONDINGAFTERCOMPLETESHAPEFORMATIONORLEFTUNBONDEDSOTHATSLIDINGBETWEENSTRIPSISALLOWEDINTHELATTERCASE,THESTATICFRICTIONBETWEENSTRIPSCANCONTRIBUTETOTHESTIFFNESSUNDERSTATICLOADINGWHILETHESLIDINGFRICTIONCANCONSUMETHEKINETICENERGYOFTHESTRUCTUREUNDERDYNAMICLOADING3CONSTRUCTIONOFSIMPLEFRPWWS
编号:201311171442526663    类型:共享资源    大小:165.00KB    格式:DOC    上传时间:2013-11-17
  
5
关 键 词:
专业文献 学术论文 精品文档 建筑毕业
  人人文库网所有资源均是用户自行上传分享,仅供网友学习交流,未经上传用户书面授权,请勿作他用。
关于本文
本文标题:建筑毕业设计外文翻译及译文--大跨度FRP网架结构的展望和分析.doc
链接地址:http://www.renrendoc.com/p-96663.html

当前资源信息

4.0
 
(2人评价)
浏览:45次
淘宝运营上传于2013-11-17

官方联系方式

客服手机:17625900360   
2:不支持迅雷下载,请使用浏览器下载   
3:不支持QQ浏览器下载,请用其他浏览器   
4:下载后的文档和图纸-无水印   
5:文档经过压缩,下载后原文更清晰   

精品推荐

相关阅读

人人文库
关于我们 - 网站声明 - 网站地图 - 资源地图 - 友情链接 - 网站客服客服 - 联系我们

网站客服QQ:2846424093    人人文库上传用户QQ群:460291265   

[email protected] 2016-2018  renrendoc.com 网站版权所有   南天在线技术支持

经营许可证编号:苏ICP备12009002号-5