胶济客运专线深厚非饱和土地基沉降特性试验研究

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1、西南交通大学硕士学位论文胶济客运专线深厚非饱和土地基沉降特性试验研究姓名：邢富强申请学位级别：硕士专业：道路与铁道工程指导教师：蒋关鲁20090301西南交通大学硕士研究生学位论文第

2、l页Abs仃actThroughaseriesoftestssuchasfiledplaneloadingtest,staticconepene廿ationtest，standardpenetrationtest，lateralpressuremetertest,standardindoorconsolidationtest，tria

3、xialcompressiontestandfieldsettlementobservation廿latCallgetthedeformationbehaviorofsettlementonunsaturatedsubsoilbetweenQingdaoandJinanspecialpassengertrain．Throughtheresearchofsettlementdeformationlawwecallobtainthesettlementcharacteristicsofsubsoil．tllellpre

4、dictthedeformationofsubsoil．Comparativeanalysisthecalculationresultsand也emeasuredresultsaregiveninthispaper,theresultsareverifiedrationalityandreliability．Someresultscanbegeneralizedasfollowings：(1)Usingtheindoorconsolidationtest，getthestress—strainrelationshi

5、p．throughGDSlriaxialcompressiontestanalysisthestress—timerelationship．(2)Throughaseriesoffieldtestssuchasstaticconepenetrationtest，standardpenetrationtest,filedplaneloadingtest,lateralpressuremeterteSt，theengineeringgeologicalcharacteristicsandbasicphysical-me

6、chanicalcharacteristicsaretested．(3)Accordingtothefieldsettlementobservationresults，analysisthelawoflongtermfoundationsettlementbyembankmentloadandforecastthefmalsettlementoffoundation．(4)Usingthetangentmodulusmethodcalculatethenonlinearsubsidenceoffoundationb

7、asisonthefieldtestresultsandconsideredthestresslevel．Thecalculatedresultsareneartheactual．T陆smethodofcalculatingisvaluedtoapply．(5)Gaintheunsaturatedsubsoildeformmioncharacteristicsofthesettlementlawsthroughtheactualtestresultsandprovidethebasisandreferencefor

8、designandconstructionofthestructureonsuchsubsoi】．Keywords：unsaturatedsubsoil；fieldtest；consolidationtest；GDStriaxialcompressiontest；settlementcharacteristics；fieldsettlementobservation西南交通大学学位论文创新性声明本人郑重声明：所呈交的学位论文是本人在导师指导下独立进行研究工作所取得的成果。除文中已经注明引用的内容外，本文不包含任何其

9、他个人或集体已经发表或撰写过的研究成果。对本文的研究所做出贡献的个人和集体，均已在文中作了明确的说明。本文完全意识到本声明的法律结果由本人承担。本学位论文的主要创新点如下：1．针对胶济客运专线非饱和土地基，对原状粉土、粉质粘土等进行了室内固结、GDS三轴压缩试验和载荷试验、标准贯入试验、静力触探试验、旁压试验等现场试验，对胶济线非饱和地基土进行了研究，得到了