DX旋挖挤扩灌注桩抗拔性状的模型试验与数值分析的开题报告-第一文库 | 海量文档资源下载与分享平台

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DX旋挖挤扩灌注桩抗拔性状的模型试验与数值分析的开题报告Title:ModelTestandNumericalAnalysisofAnti-pullingCharacteristicsofDXRotaryDrillingSqueezingExpandedGroutingPilesIntroduction:DXRotaryDrillingSqueezingExpandedGroutingPileshavebecomeanimportantfoundationreinforcementtechnologyduetotheirhighbearingcapacity,goodstability,andexcellentanti-pullingperformance.Theanti-pullingperformanceiscrucialtothesafetyandstabilityofthepiles.Inthisstudy,modeltestsandnumericalanalysiswillbeconductedtoinvestigatetheanti-pullingcharacteristicsofDXRotaryDrillingSqueezingExpandedGroutingPiles.Objectives:Theobjectivesofthisstudyare:1.Toinvestigatetheanti-pullingperformanceofDXRotaryDrillingSqueezingExpandedGroutingPilesthroughmodeltests2.Toestablishanumericalmodeloftheanti-pullingperformanceofDXRotaryDrillingSqueezingExpandedGroutingPiles3.Toanalyzetheinfluencingfactorsoftheanti-pullingperformanceofDXRotaryDrillingSqueezingExpandedGroutingPilesthroughnumericalsimulationMethodology:Themethodologyofthisstudyincludes:1.Modeltest:Aseriesofmodeltestswillbecarriedouttoinvestigatetheanti-pullingperformanceofDXRotaryDrillingSqueezingExpandedGroutingPiles.Thetestspecimenswillbepreparedinaccordancewiththedesignstandards,andtheanti-pullingperformancewillbetestedunderdifferentloads.2.Numericalsimulation:Basedontheresultsofmodeltests,anumericalmodeloftheanti-pullingperformanceofDXRotaryDrillingSqueezingExpandedGroutingPileswillbeestablishedbythefiniteelementmethod.Thesimulationwillbeconductedunderdifferentconditionstoanalyzetheinfluencingfactorsofanti-pullingperformance,suchassoilproperties,pilediameter,andpilelength.Expectedoutcomes:Theexpectedoutcomesofthisstudyare:1.Theanti-pullingperformanceofDXRotaryDrillingSqueezingExpandedGroutingPilesunderdifferentloadswillbeobtainedthroughmodeltests.2.Thenumericalmodeloftheanti-pullingperformanceofDXRotaryDrillingSqueezingExpandedGroutingPileswillbeestablished,whichcanbeusedtopredicttheanti-pullingcapacityofthepilesunderdifferentconditions.3.Theinfluencingfactorsofthea