分析設計法在液化氣體鐵道罐車中的應用.pdf

1、西南交通大學碩士學位論文分析設計法在液化氣體鐵道罐車中的應用姓名：鄭繼承申請學位級別：碩士專業(yè)：機械工程指導教師：劉建新20060501西南交通大學碩士研究生學位論文IAbstractConventionaldesignstandard，basedonthetheoryofelasticinvalidationrule，deducingcalculatingforI眥1aforengineeringapplication，figurin

2、goutthemaximumkeystress，confiningittotheapprovedValue，setting1imitationstothestrucnlreformonpartofthecontainerwithoutcalculatingpartialstress，isastandardderivedonthebasisofthemaximumkeystresstheoryinelasticinvalidationru

3、leandlong—periodexperienceinpracticeFollowingtheadvancelnentanddevelopmentoftechnology，thespecificationandotherrequirementsforcontaineraregettingsocrucialthatconventionaldesignstandardtakingGBl50steelpressurevesselasarep

4、resentativenolongerfitsther01eWhereasanalyzingdesignstandardJB4732steelpressurevessel——一analyzingdesignstandardadoptedhigherstresslimitation，madeaprecisecalculationofstressoneachpartofthecontainer，demandingmoreonmaterial

5、selection，improvedthemanufacturingstandardandfurtherinsuredsafetyandreliabilityofthecontainerDesignbyanalysishasbeenbroadlyusedinengineeringpracticeinrecentyearsThestrengthcalculationforthedesignofliquefiedgasrailwaytank

6、carhasadoptedGBl50asstandardandlongperiodexperienceinpracticeasbasisfora10ngtimeWhereasduringthefiniteelementcalculation，therealwaysshowsthatpartialstressexceedstheapprovedstresseventheyieldstressInstaticstrengthtestacco

7、rdingtoTB／T1335assessingregulationforrailcarstrengthdesignandtest，wealsofoundexcessinpartialstressButinpracticalrunning，thecasethatcarsbeingdestroyedforexcessinDartialstressisrareAimingattheprobl鋤sdiscussedabove，theartjc

8、leproposedtoadoptdesignbyanalysis，tomakeadetailanalyseandcalcul8tionofpartialstressandtoassesscontainerswithdifferentstressstrengthwithaccordancetodifferentapproVed1imitationinrailwaytankcardesign％eaTtlclema“ananalyseand