黃土地區(qū)密集建筑物群下地鐵結(jié)構(gòu)與周圍土層的變形特征研究.pdf

1、西北工業(yè)大學(xué)碩士學(xué)位論文黃土地區(qū)密集建筑物群下地鐵結(jié)構(gòu)與周圍土層的變形特征研究姓名：張應(yīng)龍申請學(xué)位級別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：劉增榮20050301`[IC一業(yè)人沖.20U]，ovj_匕論又FTPAbstractThecongestedtraffichasbecomeaseriousproblemformanycitieswiththeirsteadilyincreasingpopulationandtheconstruction

2、ofsubwaysisviewedasanefectivesolutiontotheproblem.Boththedomesticandforeignexpertshavedonealotworkconcerningthedisplacementanddeformoftheearthssurfacecausedbytunnels.Theyadoptedplaneandthreedimensionmethodsandhavemadesom

3、eachievementintheoreticanalysisandFEMsimulation.TheauthorusesthethreedimensiontoanalyzehowtoconstructasubwayintheloessareaandthedeformablefeaturesofthesubwaysstructureandthesurroundingLoesswhenitgoesunderdensegroupofbuil

4、dings.Theauthorattachesgreatimportancetotherelativedisplacementandthecrossdeformablefeaturesbetweenthestructureofsubwaysandthesurroundingsoilsintheconditionofequalloadanddiferentialequalloadsoakedandunsoakeddiferentcapac

5、ityofcontainingwater.Theresultandtheconclusionofthisarticlecanbeveryhelpfulforusintwoaspects.Firstofalltheyhelpustosolvetheproblemofconstructingasubwayintheloessareasuchashowtomakeasubwaygounderdenselybuiltareasandhowtom

6、aintainthestructureofsubwaysstableafterwardsInadditiontheyalsomakesomehelpfuladditionstothetheoriesregardingthemaintenanceofsubwaysstructureinsomespecialsoilskeywords:loessareadensegroupofbuildingssubwaysoildeformablefea