黄土高边坡桩钉复合支护的离心模型试验研究

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1、西南交通大学硕士学位论文黄土高边坡桩钉复合支护的离心模型试验研究姓名：黄英儒申请学位级别：硕士专业：地质工程指导教师：程谦恭20090301西南交通大学硕士学位论文第1I页AbstractInthisthesis，temporarilyexcavatedloessslopeandsupportcombinedanti—slidepilewithsoilnailingofitwerestudied，theslopeislocatedinopencuttunnelsegmentoftheportalofGuanyintangtunnelinZhengzhou-xi’anrailwayline

2、forpassengertransport．UsingcentrifugemachineoflOOgt，thedifferentmodesofdeformationandfailureoftheslopeweresimulatedwithoutsupport，withsoilnailingsupportandwithsupportcombinedanti—slidepilewithsoilnailing，deformationofdifferentsupportingstylesunderstrengthandsupportingeffectwereunderquantitativean

3、alysis．Basedonthedomesticandforeignliteratureanddata，thestatusanddevelopmentofinvestigationaboutanti—slidepilesupport，soilnailingsupportofslopeandthewayofcentrifugemodeltesttostudyslopeweresummarized．Thefundamentaltheoryofcentrifugemodeltestwasexpatiatedemphasesly．Basedongeneralconditionofconstru

4、ctionspot，relevantprojectofthetestwasframed．Thefeasibilityandrationalityofvariousmodelmaterialsweredemonstrated．Therearethreegroupsoftest，ineachgroup，slopehasbeenexcavatedbythreesteps．Atthefinalofthetest,sedimentationoftheslope，horizontaldisplacementonthefaceoftheslope，displacementoftheintemalpar

5、toftheslope，cracksandslidinginterfaces，supportingeffectofsoilnailingandanti—slidepilewereanalyzedaftereachexcavationineachgroup，allofwhichreflectthedeformationandfailureofslopedirectlyorindirectly．Then，accordingtothedeformationandfailureoftheslope，thebestsupportingprojectwaschosenaftercompare．Acc

6、ordingtothestudy，forthetemporarilyexcavatedloessslopereferredinthisthesis，thewayofsupportcombinedanti—sIidepilewithsoilnailingonslopetreatmentengineeringisfeasible．Thecombinationofsoilnailingsupportingstyleandanti-slidepilesupportingstyleCanplaytheirownstrongpointinsupportingslopewell，andgoodsupp

7、ortingeffectcanbeobtainedatlast．Keywordssupportcombinedanti—slidepilewithsoilnailing：loessslope；centrifugemodeltest；deformation西南交通大学学位论文版权使用授权书本学位论文作者完全了解学校有关保留、使用学位论文的规定，同意学校保留并向国家有关部门或机构送交论文的复印件和电子版，允许论文被查阅和借阅。本人授权西