高聳結(jié)構(gòu)風(fēng)洞試驗(yàn)?zāi)Ｐ驮O(shè)計(jì)研究.pdf

1、97S060長安大學(xué)碩士學(xué)位論文直聳結(jié)拉凰涸達(dá)驗(yàn)撞型煎鹽班窒丁鵬程指導(dǎo)教師姓名立壘姓一蝴盎基垂邀墊一申請(qǐng)學(xué)位級(jí)別塑學(xué)科名稱橋梁與隧道工程論文提交日j9】j塑絲年j月論文答辯日圳嬲年5月鄂日。。。。_______■____________—___一學(xué)位授干單位一整壘點(diǎn)豎一一答辯委員會(huì)主席：塑選舅盤監(jiān)一學(xué)位論文評(píng)閱人：翅選固盤焦墮墨鱟主圭2006年5月!，0，ABSTRACTHigh—risestructureissomewhatdiffe

2、rentfr伽othersbecauseofbeinghigh，light，softandslimIthasbeenwidelyusedinsomerelatedfieldssuchaspowertransmission，co唧unication，broadcastingandtelevisionsysteInDuet0itscharacteristicofshape，thed伽inatingloadofhigh—risestructu

3、reiswind10adWiththegroWthofdeⅡlandandprogressOftechnique，ithasbeendevelopedtobemuchhigher，lighterandsofterrhichincreasesitssensitivitytowindloadForthepurposeofstudyingthevibrationcharacteristicsspeed，amodeloftourtowerwas

4、testedinofhigh—risestructureunderhighwindtunnelThispaperbasingonHangZhouwantourtaWerandplatfonn，researchesthemodelFirst，thispaperresearchesthewindpressuremodelsuchas：modeldimension，modelmaterialandsettingsurveypointsThef

5、orcemeasurementmodelalsohasbeendesignedbysomefactors，suchas：thechoicesofstrainbalanceand眥terial，modelsegmentdesigningBecausethegreatestinternalforceanddisplacementofeverysectionwhenthestructureisunderthedynamicloadsarene

6、arlycorrelativewiththefrequenciesandthevibrationalforIIlatswhenthestructureisunderthenaturalvibration，seekingnaturalvibrationfrequenciesandmodesisthepreconditionandbasetocarrythrougheverydynamicanalysisInthethesis，ontheb

7、asisofexistingdatacollectedofdyn鯽ics，takingtheexampleofHangZhouwantourtower，establish3一DfiniteelementmodelofitwithsoftwareANSYS，andcalculateandanalyzeitsnaturalvibrationfrequencies，andanalyzetheeffectsofnaturalvibrationf