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1、目录AbstractWiththerapiddevelopmentofthecityofhigh-risebuildings，involvingmorgandmoreexcavation,supportme．ischangerapidly，SOthedesignandconstructionoffoundationpitisalsoputforwardmanystrictrequirements．Buttheuseofsoilanchortechnologyinsoftsoilandotherad
2、versesoil，thescopeofapplicationofboltwilllimit,becausethiskindofsoilcharacteristics，soilshearstrengthandbearingcapacityisrelativelylow,thiswillmaketheanti-puningforceofanchorisrelativelylow,SOresultinginrelativelylargedeformation．Therefore，toexploreth
3、eapplicationofanchorinsomerelativelydifficulttobecomeahotissueinthesoil．Aseveryoneknows．thegeneralprocessofimplementationoftheanchorpulloutresistance，mainlythroughtherelativefrictionboltandthesurroundingsoilt0implementtheanchorage，butsomesoilshearstre
4、ngthisrelativelylow,cannotprovidearelativelygoodpulloutforceforthebolt,itmakesUSdifficultbyincreasingthelengthofanchoragesectionimprovetheanti-pullingforceofanchor,butwiththedeepstudyof,somenewanchoragestructm'ealsoemergeasthetimesrequire，theapplicati
5、onofsoilanchorisgradllallyexpanding．Stayopentypeumbrella-shapedanchorthesoil，isanewtypeofexpansionheadanchorstructureproposedinrecentyears，ithastheadvantagesofsimpleslructure,easyconstruction,hi。ghbearingcapacity,rapidanchoringete—Theearthanchorisnoti
6、mmediatelybearing,pulloutcapacitylow,anchoringlengthislonger,andtheconstructionprocessmoreproblems．Butintheprocessofimplementingthepulloutforce，becau∞thetechnologyisstillnotmature，withwillalsohavethecorrespondingproblems．Thispaperintroducesthesoilsupp
7、ortingopenumbrellasoilanchorinmaximumanchorc丛e，anchorplatebeforethesoilinfluencesphereofstress，displacementchangeshowtodetermine，indeterminingthesoilinfluencescopeonthebasisofdesign,howtodetermineareasonablemaximumlengthofanchoragesectionoftheumbrella
8、thinkofthis，thelengthofsteelstrand,designthesoilanchorissafe．Inthispaper,atthesametime，withthehelpofANSYSsoftvgal'e，thenumericalanalysisofits，madesomecorrespondingconclusions．Tobetterapplythistechnologyinpractice，the．moreperfecttherelevantdesi
