南沙軟土工程特性及市政道路復(fù)合地基試驗分析.pdf

1、中南大學(xué)碩士學(xué)位論文南沙軟土工程特性及市政道路復(fù)合地基試驗分析姓名：潘欽生申請學(xué)位級別：碩士專業(yè)：地質(zhì)工程（巖土工程）指導(dǎo)教師：汪健元張可能20060501ABSTRACTGuangZhouNanShaDevelopmentAreaisinconstructing，there而delyspreadsaboutalotofsoftsoils，anditsthicknessisqublargeToconstructthemunicipalr

2、oadmtIliskindofsoilhavetoconsiderthesoRtreatmentandintheconsciousnessofhighspeeddevelopmentlimittheworkperiodSOthecompositefoundationiSabettermeasuretoimprovementthesoRsoil，andhavebeenaresomeprojectsusedthemethodinNanSha

3、Nevertheless，therearemoredifferentbehaviorsofpilecomposirefoundationbetweenunderembankmentandunderrigidfoundationAtpresenttheengineeringpracticeofcompositefoundationunderembankmentiSinfrontofitstheoryandlotsoftheoryiSbas

4、edonthecompositefoundationunderrigidfoundationSoitshouldanalysethebehaviorsofcompositefoundationunderembankmentinGuangZhouNanShaAreaandevaluateitseffectoftreatmentInthisPaperbasedontheconstructionofmunicipalroadinGuangZh

5、ouNanShastudywiththeinvestigationdesignconstruction，monitoringandinsitetest，thecharacteristicsofNanshasoftsoilsandtherelationshipofdeformationbetweenpileandsoilsisanalyzedAccordingtotheresultsofloadingtestanalyzedthestre

6、ssstrainrelationshipandtheruleofstressratioofpileandsoil，andjudgeitseffectoftreatmentAunitedmethodofGeddesandBoussinesqsolutionisderivedtocalculatetheadditionalstressandformatableofcoe伍cientfortheengineeringpracticeappli

7、cationsThemainconclusionsareasfollow：(11AnalyzedthecharacteristicofformationanddistributionwithNanShasoftsoil，obtainedtherelationshipbetweenindexesofpropertiesofsoftsoilsbyregressionanalysis，andevaluatedthecharacteristic

8、sofNanShasoftsoil(2)AnalyzedthebehaviorsofthecompositefoundationunderflexiblebasementinNanShaandthecharacteristicofitsstress—strainrelationship，furthermore，theruleofstressratioanddistributionJu電edtheeffectoftreatmentwith