版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請進(jìn)行舉報(bào)或認(rèn)領(lǐng)
文檔簡介
1、Y1039831分類號(hào):丑』三絲密級(jí):——UDc:24學(xué)號(hào):Q3Q25⑨東南大學(xué)碩士掌位論文金屬蒙皮連接抗剪性能的分析研究研究生姓名:隆娟蝗導(dǎo)師姓名:趕戇壬熬授申請學(xué)位級(jí)別亟學(xué)科專業(yè)名稱結(jié)掏王擺論文提交日期星鯉壁壘璺且墨旦論文答辯日期gQQ曼生墨目至曼旦學(xué)位授予單位塞畝盍堂學(xué)位授予日期星鯉量生縣旦答辯委員會(huì)主席蠱塞評閱人2006年05月日摘要SHEARBEHAVIoRoFCoNNECTIoNSINMETALSⅪNDIAPHRAGMGra
2、duate:ChenJuantingSupervisor:ProfShuCanpingSoutheastUniversityABSTRACTWiththedevelopmentofsteelstructuresmetalskindiaphragmstructurehasbeenwidelyusedincivilengineeringAndthestructurestylesarcbecomingmoreandmorediverseThe
3、metalsheetingisconnectedwiththemainstructurebyconnections。TheinplanestifinessofmetalsheetingtakestheeffecfofskindiaphragmintoeffectsFurthermoretheinplanestressstateofmetalskindiaphragminducethattheconnectionsmainlybearth
4、esbear10adThenbasedonconclusionofachievementsofformerresearchersthedissertationmainlystudiedtheshearbehaviorofconnectionsinmetaiskindiaphragmBecauseofthevarietyofconnectionsinskindiaphragmthedissertation,throughcarefuIco
5、mparisonandselection,finallychoosestwotypesofconnection,selftappingscrewconnectionandresistancespotweldconnection,asstudyoNectsforfiniteelementmethodanalyzingThemaiorworkcontainsthefollowing:1Setup3Dsolidmodelstosimulate
6、theconnectionsForselftappingscrewconnection,materialnonlinearandcontactnonlineareffectsareincludedintheanalysisForresistancespotweldconnection,residualstressiscalculatedfirst;thenthefiniteelementanalysisincludingmaterial
7、nonlinearityandcontactnonlinearityiscarriedout2Oblainthefailuremodesofbothtypesofconnectionsbyanalyzinga】a坦enumberofexamplesForselftappingscrewconnection,therearethreefailuremodes:④Theholeinthethinnerplateiselongatedandt
8、heslippagebetweenthetwoplatesismoreseriousroftenfoundinconnectionbetweenathinandathickplate)④Thescrewiswrythesideofplateistilting,andtheedgeofholeissquished(oftenfoundinconnectionbetweentwothinplates)⑧Thescrewbecomesobvi
9、ouslyleanthesideofplatebecomestiltingandthescrewjspulledoutbecauseofthebrokenscrewthread(oftenfoundjoconnectionbetweentwothickplates)Forresistancespotweldconnection,therearealsothreefailuremodes(i3Thethinnerplateistorewi
10、thoutobviousdisplacementordeformationinthemodel(oftenfoundinconnectionbetweenathinplateandathickone)②ThesteelplatefailsbecauseofbendingTheedgeofthenuggetfailsbecauseoftensionandshearingAndthedeformationofthemodelisextrem
11、elysevere(oftenfoundinconnectionbetweentwothinplates)(墨)Thenuggetfailsbecauseofshearingwithcrimpleofthebackedgeandobviousdisplacement陽ftenfoundioconnectionbetweentwothickplates)3Accordingtotwotypesofconnections,loaddefle
12、ctioncur∞s(P—Acurves)withdifferentthicknessplatesanddifferentdiametersnuggetsarcobtainedrespectivelyAndthecurvesshowthatmostmodelspresentductilefailure,andtheconnectionstrengthandstiffiaessincreasewiththethicknessofthepl
13、atesandthediameteroftheconnection4Accordingtotheregularityoftheconnectionstrengthandstifinesscurvesusing1eastsquaremethodandbasedontheoriginalempiricalfommlas,thisdissertationproposesformulasforcalculatingconnectionstren
14、gthandsti確CSS,Theformulashaveaguaranteeratiou口to95percentandthascanbedirectlyusedinpracticalengineerdesignFurthermore,theseformulashaveuniformfotreatsdespiteofthicknessdifiercocesinconnection,whichstronglyembodiesrationa
15、lityandcontinuityInthisdissertationthereare5formulasforselftappingscrewconnectionandresistancespotweldconnectionComparedwithforeignempiricalones,formulasfromthedissertationgainfiniteelementresultsthataremuchclosertothete
16、stdataAnditcanaiseflectsomeregularitythattheyareHaabletoKeywords:metalskindiaphragm,shearbehaviorselftappingscrewconnection,contactanalysis,resistancespotweldconnection,residualstress,connectionstiffness,connectionstreng
溫馨提示
- 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
- 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
- 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會(huì)有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
- 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
- 5. 眾賞文庫僅提供信息存儲(chǔ)空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負(fù)責(zé)。
- 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請與我們聯(lián)系,我們立即糾正。
- 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。
最新文檔
- 聚氨酯夾芯板的受力蒙皮抗剪性能研究.pdf
- 自攻螺絲連接受力蒙皮組合體的抗剪性能研究.pdf
- 跨越多檁條受力蒙皮抗剪性能的試驗(yàn)研究.pdf
- 跨越多檁條受力蒙皮抗剪性能數(shù)值模擬分析.pdf
- PRP型屋面夾芯板受力蒙皮組合體的抗剪性能研究.pdf
- RC環(huán)梁連接的鋼管混凝土柱與RC梁節(jié)點(diǎn)抗剪性能分析研究.pdf
- 栓釘抗剪連接件在重復(fù)荷載下的抗剪性能研究.pdf
- 角馳Ⅲ型壓型鋼板受力蒙皮體抗剪性能試驗(yàn)研究.pdf
- HV-490B型壓型鋼板受力蒙皮體抗剪性能試驗(yàn)研究.pdf
- 齒槽連接的后增混凝土梁抗剪性能試驗(yàn)研究.pdf
- 自攻螺釘連接抗剪性能及其設(shè)計(jì)方法的研究.pdf
- 平開孔板抗剪連接件性能的試驗(yàn)研究.pdf
- 波峰連接的受力蒙皮體系靜力性能研究.pdf
- 金屬箱屏蔽性能的分析研究
- 部分抗剪連接鋼-混凝土組合梁疲勞性能試驗(yàn)研究.pdf
- 滑帶土抗剪強(qiáng)度參數(shù)反演分析研究.pdf
- 平開孔板抗剪連接件性能的試驗(yàn)研究(1)
- 新型開孔板連接件抗剪性能分析及計(jì)算方法研究.pdf
- 圓鋼管混凝土構(gòu)件抗剪性能分析.pdf
- 波折形開孔板連接件的抗剪性能試驗(yàn)研究.pdf
評論
0/150
提交評論