小直徑鋼管排樁抗滑計算理論及離心模型試驗研究.pdf

1、西南交通大學(xué)碩士學(xué)位論文小直徑鋼管排樁抗滑計算理論及離心模型試驗研究姓名：張正義申請學(xué)位級別：碩士專業(yè)：巖土工程指導(dǎo)教師：馬建林20100301西南交通大學(xué)碩士研究生學(xué)位論文第1I頁iAbstractSinailDiameterSteelTubularPileisgenerallyinsertingpileorboredbottlingpilewhichthediameterislessthan300mmConnectingfirmth

2、epiletopwithrigiditygirder，itbecomerowpileswhichchangethesingecantileverbeambearingbendingmomentstoatotalbodvbearingbendingmomentsAsaresult，therowpilesareprovidedwithabetterwholestability，bendingmomemscapacityandantitwis

3、tsabilityInrecentyeas，asanewtypeofslopesupportingstructureSmallDiameterSteelTubularPilehasbeenwidelyappliedinslopereinforcingengineeringfurthermore，goodengineeringandeconomiceffectshavebeenproducedbyusingSmallDiameterSte

4、elTubularPileHowever，littletheoreticalstudieshavebeendoneontheantislidingmechanismofSmallDiameterSteelTubularAntisliderowPilesunderlateralloadsOneofnsconstructiontechnologyandthedeformationofcarryingcapacityandotheraspec

5、tshavenotyetfullyunderstood，noramaturetheoryThephenomenathatdesignonnotheoryandgenerallybasedonanalogyorcomparisonwithexistingprojectshavebecomeastumblingblockinpromotingandapplicationofthisantislopestructureInviewofther

6、esearchsituationathomeandabroad，itisanurgenttasktostartresearchesondesigntheoryofSmallDiameterSteelTubularrowPileCollectingdataonapplicationandtheorycalculationofSmallDiameterSteelTubularPileandcombinedwithpracticeandcen

7、trifugalmodeltestinawordthemaincontestandachievementsofthispaperasfollowing：TbisthesisnotonlyintroducesthehistoricaldevelopmentandpresentapplicationandresearchingstatusofSmallDiameterSteelTubularAnti—sliderowPilesathomea

8、ndaboardbutalsoanalyzesandsummarizesthemechanismofreinforcingslopecapacityofantislideanddesignmethodandconstructiontechnologyAndmore，thisthesisattachesemphasestoanalysisdifferencebetweenSmallDiameterSteelTubularAntislide

9、rowPilesandtraditionalanti—slidepile，whichincludegroutingreinforcing，efficiencyofpilegroupsandrigiditygirderactionHaddonethisworkitaimsthatwecanobtainallindepthstudyoncapacityantislideandinvalidationmechanismofSmallDiame

10、terSteelTubularAntisliderowPiles，andasmore。makesuitabletheoryandanalysismethodsforengineeringcaseOnthebasisofreasonablehypothesisandsimplification，anewanalyticalmodelofSteelTubularPilesystemisproposedthemodeliscombiningt

11、hemircropilesandtherockmassamongthepilesasawholestructureandnleinteractionbetweenthepilesandrockmasscallbesimulatedwiththismodelSoilbetweenrowpileswasregardedasathincompressiblelayerandwassirnulatedbyaseriesofhorizontalr

12、ingsconnectingtherowpiles，sothattheeffectsofthechangeofsoilprofilecompressiblilityandthetreatmentofsoilbetweenrowpilesontlleinteractionbetweenrowpilescouidbeconsideredintheanalysiswithnosuppositionofthesharingoftotalsoil

13、pmssurebetweenrowpilesneeded。ThecalculatedresultsofthemodelshowsthatsatisfactoryresultcanbeobtainedandcanbeusedinthesimilarengineeringItdesignedandmadetheSmallDiameterSteelTubularPilecentrifugetestmodelprototypetoGuangyu

14、anbazhongspeedroadresearchprojectsNinegroupsofcentrlfugalmodeltestweredesignedtosatisfiedwithdistinctexperimentalaimthroughdifferentcombinationofthepressureanddeformationinfluencefactorsInthistext，thenewideaslieinthinkin