1、西南交通大學碩士學位論文帶預應力錨索的復合式隧道錨試驗研究姓名：臧萬軍申請學位級別：碩士專業(yè)：橋梁與隧道工程指導教師：高波20050601西南交通大學碩士研究生學位論文第Ⅱ頁AbstractBasedontheoreticanalysisandtestingdatathispapermainlydiscussestheforcefieldanddisplacementfieldofdifferentsingleandgroupcable

2、sinlengthwhenpulledTheultimateanchorforce，relationshipbetweenpullingstressanddisplacementofanchorendanddistributionlawofdisplacementfieldinsurroundingrockarestudiedthror【ghpullouttestofsinglecablewhosel∞g也is8meter10meter

3、and12meterseparatelysuchcontentisalSOstudiedthroughpull—outtestofgroupcableswhoselengthis8meter10meterseparately。Furthermore，anchorgroupeffectisdiscussedbycomparisonbetweensinglecableandgrouponesunderthesanleworkconditio

4、nsThrorIghmaleconeexperimenttllispaperalsoindicatesthedistributionproportionofloadbetweenmaleconeandprestressedcables，elementarilyrevealsthefunctionmechanismofturmeltypeanchoragewithprestressedcablesByresearchingandanaly

5、zingthetestresults，conclusionisasfollowingThemardmumofaxialforceisatthetopoffixedsegmentofanchorbargraduallydecreasesdownwardsalongthebarandisnearlyzeroatthebottomFor8meterlongcable，theaxialforceattenuatesintermsof1awofn

6、egativeexponentialfunctionwhentheanchorbarislongandofapproximatestraightlinearwhenitisshortFor10meterone，theaxialforceaRenuatesintermsoflawofBoltzmannfunotionFor12meteronetheaxialforceattenuatesintermsoflawofGaussianfunc

7、tion111emaincarryingzoneiswithintheconfmesof3metersawayfromthetopoffixedsegmentofanchorbarRelationshipcurvebetweenpullingstressanddisplacementofanchorendassu／nespositiveexponentialcurvefor8and10meterlongcableandassumesGa

8、ussiancurveforthe12meteroneTheultimateanchorforceofsinglec曲leiSalllargerthantheoreticalvaluewhichis10416KNThetensileforoeofcablefoITllSasurfacecompressionzoneinthesurroundingrockmassaroundthecableThecompressioneffectsofs

9、urroundingrockmassreinfoIceswimtheprestressincreasingUndertheactionofmultiprestressedcablesthedefornlationdistributionofsurroundingrockmasshomogenizesTheultimateanchorforceOf8meterlonggroupcableshomogenizesasmuch9097％ast