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1、毕业设计外文翻译题目超高层建筑结构横向风荷载效应学院土木工程学院专业土木工程班级土木0903班学生蔡江红学号20090622003指导教师谢群二〇一三年三月二日Across-windloadsandeffectsofsuper-tallbuildingsandStructuresAuthor:GUMing&QUANYongBeginningandendingpage：2531~2541PublicationDate(SerialNumber）：August25,2011doi:10.1007/s11431
2、-011-4543-5Publishingunit：sciencechinaTechnologicalSciencesAbstractAcross-windloadsandeffectshavebecomeincreasinglyimportantfactorsinthestructuraldesignofsuper-tallbuildingsandstructureswithincreasingheight.Across-windloadsandeffectsoftallbuildingsandstru
3、cturesarebelievedtobeexcitedbyinflowturbulence,wake,andinflow-structureinteraction,whichareverycomplicated.Althoughresearchershavebeenfocusingontheproblemforover30years,thedatabaseofacross-windloadsandeffectsandthecomputationmethodsofequivalentstaticwindl
4、oadshavenotyetbeendeveloped,mostcountrieshavingnorelatedrulesintheloadcodes.Researchresultsontheacross-windeffectsoftallbuildingsandstructuresmainlyinvolvethedeterminationofacross-windaerodynamicforcesandacross-windaerodynamicdamping,developmentoftheirdat
5、abases,theoreticalmethodsofequivalentstaticwindloads,andsoon.Inthispaperwefirstreviewthecurrentresearchonacross-windloadsandeffectsofsuper-tallbuildingsandstructuresbothathomeandabroad.Thenwepresenttheresultsofourstudy.Finally,weillustrateacasestudyinwhic
6、hourresearchresultsareappliedtoatypicalsuper-tallstructure.IntroductionWiththedevelopmentofscienceandtechnology,structuresarebecominglarger,longer,taller,andmoresensitivetostrongwind.Thus,windengineeringresearchersarefacingwithmorenewchallenges,evenproble
7、mstheyarecurrentlyunawareof.Forexample,theconstructionofsupertallbuildingsisnowprevalentaroundtheworld.TheChicagoSearsTowerwithaheightof443mhaskepttherecordoftheworld’stallestbuildingfor26yearsnow.Dozensofsuper-tallbuildingswithheightsofover400maresettobe
8、constructed.BurjDubaiTowerwithaheightof828mhasjustbeencompleted.Indevelopedcountries,thereareevenproposalstobuild“citiesintheair”withthousandsofmetersofmagnitude.Withtheincreaseinheightanduseoflightandhigh-strengthm
