昔格達巖層中灌注樁的嵌固效應研究.pdf

1、西南交通大學碩士學位論文昔格達巖層中灌注樁的嵌固效應研究姓名：畢業(yè)明申請學位級別：碩士專業(yè)：巖土工程指導教師：吳興序20090101AbstractXigedarockisdistributedinthesouthwestregionofchinaItbelongstoextremesoftrockwithspecialcharacteristics，forexample，itcanbemashedandsoftenedbywatera

2、ndwillrupturewhenbeingdehydratedTheresearchdataaboutthisrockandcastinplacepileinthisrockisbadlyscarceTheclearandcompletecomputationalmethodsincurrentcriterionshavenotyetbeenfoundSoitissignificanttostudyembeddingeffectofc

3、astinplacepileinXigedarockBasedmainlyonthesubject‘‘TestingStudyonBearingPropertiesofPileFoundationinXigeda—Rock’’underthewesterntrafficscientificresearchproject‘‘ResearchonHighwayConstructionTechniquesinXigedaRock”，andas

4、sociatedwithprovincialscientificresearchproject‘‘TestingStudyonBearingPropertiesofBoredPileinXigedaMudstoneinXichangPanzhihuaExpressway”，thispaperconductscomparativelysystematicresearchfortheappropriaterocksocketedlength

5、ofsinglepileinXigedarockInaccordancewiththeanalysisoftheverticalstaticloadtestingmaterialsofsinglepileinXinjiuandPubaregions，theauthorcomprehendedthepilebearingbehaviorandultimatebearingcapacityUsingoffiniteelementsimula

6、tionprocedures，theauthorselectsaconstitutivemodeltocalculatecast—in—placepileofdifferentdepth，andanalysesthecalculationscomparingtothetestingresultstoidentifythemodelparameters，andthensimulatesthedeepercast—in—placepiles