軟弱地層深基坑預應力管樁樁錨支護型式中抗彎技術(shù)及其應用.pdf

1、中山大學碩士學位論文軟弱地層深基坑預應力管樁樁錨支護型式中抗彎技術(shù)及其應用姓名：方春波申請學位級別：碩士專業(yè)：地質(zhì)工程指導教師：湯連生20100530中山大學碩士論文BendingtechnologyanditsapplicationofprestressedpipepileanchorretainingindeepfoundationpitinweakstrataMajor：GeologyEngineeringName：FANGChu

2、nboSupervisor：ProfessorTANGLianshengGreatdifficultiesareencounteredwhenretainingindeepfoundationpittodateProjecttimeandfieldlimits，safetyofconstuctorsandeconomicbenefitofcontractorshouldbetakenintoconsiderationanddeepfou

3、ndationpitretainingengineersaresupposedtoestablishabalanceamongthethreefacetsfastlyandrationaily’whichindicatethatstressesanddisplacementsdistributingalongthedeepfoundationpitwallwhenexcavatedinweakstrataarerequiredtobec

4、learandspecificretainingtypeareadoptedThereforstudyonretainingtypefordeepfoundationpitexcavatedinweaklayersisofsignificanceapparentlyInthispaperbendingtechnologyanditsapplicationsofprestressedpipepileanchorretainingmetho

5、dusedinde印foundationpitdigginginsoRstrataarediscusseddetailedlygeologyaswellasengineeringcharacteristicsofdeepandthicksoRsoilorsiltareemphasizedandtheirimpactsonstressesanddisplacementsredistributedalongthede印foundationp

6、itwalla托approached；structureandphysicalpropertiesofprestressedpipepileandanchorarcstudiedforcemechanismofprestressedpipepileanchorretaininginweakstrataisremarklyanalysed，especiallytheforcestatesunderseveralconditionsInte

7、rmsoftechnicalspecificationforretaininganddeepfoundationpittheorystressesanddisplacementsoffoundationpitwallalongdepthunderprestressedpipepileanchorretaininga他calculatedresultsshowthatprestressedpipepileanchorretainingis