山區(qū)R=250m小半徑曲線鋪設(shè)無縫線路研究.pdf

1、976498分類號UDC辛束丈勞碩士學(xué)位論文山區(qū)R=250m小半徑曲線鋪設(shè)無縫線路研究學(xué)位申請人：學(xué)科專業(yè)：校內(nèi)導(dǎo)師：校外導(dǎo)師：徐春山道路與鐵道工程雷曉燕教授宗德明高工答辯委員會主席：張哆識答辯日期：硒』z2；|i大一一直■一道密編AbstractTheResearchofPavingTheMinorRadiusCWR(R=250m)lnTheMountainousAreaABSTRACTAsthedevelopmentofstruct

2、ureofrailwayandthemethodofmaintenance，thecontinuouslyweldedrailway(CWR)hasdevelopedfastontheadvantageofeconomyandtechnologyandithasbecomethemainformofthestructureaswetakethestratagemofincreasingoftrainspeedandoverloading

3、InthetracefromYingXiatoWaiFumoreandmoreCwRwerepaved，whethertheminorradiusCWR(R=250m)canbepavedinmountainsisaprerequisiteproblemInordertosolvethisproblem，theauthorhaddonealotofsurvey，collectedlargenumbersofexamplesaboutCW

4、R，andmadeadetailedstudyaboutthisproblemaboveInthisthesiswedevelopedanumericalmodeloftheminorradiusCWRbyusingofthefiniteelementmethodandanalyzedthestabilityoftheminorradiusCwR(R=250m)undertemperatureforceConsideringthefac

5、torsaffectingthestabilityofCWRandreferringtotheexperienceoftestingCWR(R=300m)inNanchangRailwayAdministration，thestructureofminorradiusCWR＼vasanalyzedandthesuitablestructureconditionfortheminorradiusCWR(R=250m)wasestablis

6、hedFurthermore，weanalyzedthestabilityoftheminorradiusCWRwithfiniteelementmethodandthetraditionalmethod，andcomparedtheirresultsAtthesametimeweputforwardsomeconstructiveadvicesonthemaintenanceofminorradiusCWRKeyWords：R=250