《水下大直徑樁的堅(jiān)向承載特性研究》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。

1、上海交通大學(xué)碩士學(xué)位論文水下大直徑樁的堅(jiān)向承載特性研究姓名：董淑海申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：建筑與土木工程指導(dǎo)教師：王建華20080601上海交通大學(xué)碩士學(xué)位論文ABSTRACTANALYSISONTHEVERTICALBEARINGCAPACITYOFLARGE-DIAMETERPILEUNDERWATERABSTRACTWiththerapiddevelopmentoflargescaleofportandbridgeprojects,moreandmorelargediameterpilesunderwaterwhichbearingverticalloadareu

2、sedinthecaptionedproject,andtheresearchofbearingpropertiesaboutlargediameterpileunderwaterareregardedmoreandmore.Thepaperanalyzesthelawofdeformationoflargediametersteelpilesunderwaterwhichbearingverticalloadsonthebasisoftheanalysisofbearingcapacityinfieldtest.Thepaperlooksbacktheresearch

3、resultsofbearingverticalloadofsinglepileatdomesticandoverseas,andsummarizestheanalysisandtestmethodsoflargediameterboundarypilesunderwaterofbearingcapacity,andonthebasistheanalysisoftestresultsofbearingcapacityoflargediametersteelpipepilesunderwateroffourpilesoftwoprojects,anddiscussthep

4、ropertiesofbearingverticalloadoflargediametersteelpilesunderwater.Accordingtothetestresultsinsitu,analyzethelawofpressanddeformationwhichchangeswiththedevelopmentofverticalloadoflargediametersteelpilesunderwater.Theinternalloadandshaftresistanceofpipepilescanbecomputedfrommeasuredresults

5、ofpipestrain,andthenthedistributionmodelofshaftresistance,loadtransferanddeformationcharacteristicsoflarger-diametersteelpipepileswereanalyzed.Theresultsshowthattheload-settlementrelationoflargeii上海交通大學(xué)碩士學(xué)位論文ABSTRACTdiameterpileunderwaterisslowvariant,noshowobviousdrasticchangesdamagepro

6、perties.Thedistributionpatternsofaxisforceisclosetotheladdertype.Uppersoilsurfaceforthelinearisstraight,themudbelowthesurfaceforthelinearisdecline,andhasaterminalresistance.Thefrictionofpilesideinshallowsoilcanbefullyplayed,andduringthewholetrialprocess,theperformancewassatisfactoryelast

7、oplastic;Thefrictionofthebottomlayerintheultimatestrengthnevergivingfullplay,iscontinuingtogrow,andthebasiccharacteristicsisaflexibleline;Pilebottomhaslow-resistanceearly,rapidgrowthoflate.Forfurthertoanalyzetheinteractionofpileandsoilunderverticalload,Thecapacityoflarged