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rgeraｎdmoｒestａndarｄFaｎHua,tｈｅecｏlogicaｌlｉvingcomｍunｉty.1)ｆorwａrdcｏmbinaｔｉon,ｆｕｌlｃonｓidｅraｔｉonstage,blocｋdｅｓignandｆeasibiｌityoｆthｅimplementatｉonoｆthｅprinｃiplｅ。2）modｅlvillａgｅfeatｕrｅs，ａｂａｎｄｏnｔhefancypｌaｎe,aｎdｐayingatｔentiontotheresｉｄeｎtialｈｏuse，arｃhiteｃturalformｗｉthurbanｓtyleandthｅcoｏｒdｉnａtionoｆurｂanstｒeｅtviｅw.３)theoptimizingenvironmentandｅcology,iniｍｐrｏvingtheｌａndｅcoｎｏmicbenefit,andｉｍprｏｖetｈeintｅrｎａlenｖironmｅntquaｌitycｏmmｕｎｉty,creaｔiｎgｇoｏdgardｅnｃeｎter,walｋｇｒeenbｅlt，ｇreennodeａｎｄriｃｈｌevｅlｓoｆlｉvingcuｌtureenviｒonmentspace.２。2geotecｈnicalengineeriｎggeologyｃondiｔionＩnveｓtigationpurposｅandreｑuｉrement：cｉvilａｉｒｄeｆenceｏｆresｉdentialareaＡbａseｍeｎt（ｂaｓementsection)thｅdetａｉlｅｄｓurvｅyforｔheｇeotechnｉｃalengiｎeering。Ｔhｅpｕｒposeｏfthesurｖｅyandrequirｅｍｅｎts：1）ｆindoutｂａdgeolｏgｉcaｌeｆｆeｃts，thｅtypesaｎdthecausｅｓ,ｄistriｂutiｏn,developmeｎtｔrｅｎdaｎｄhａrmdegree，pｕtfｏrwardtheSｕggeｓtionsreｎｏvatｉonｓchemｅ;2)finｄoｕtｗｉthinthescopｅｏｆthｅgeｏteｃｈniｃａlconstructiｏnｓiｔe,thetyｐeｓofｄeptｈ，aｎdｔhｅdistribution,enginｅeringcharaｃteｒistics,ａnｄanａlyｓｉsａndｅvaluatiｏnofthｅfoundatiｏnｓtaｂiｌｉｔｙ,ｕnifoｒmｉtｙaｎｄbｅaｒｉngcapaｃity；3)ｆindoｕtｏｆtherｉver，ditｃhburｉｅdｓhorｅ,grａｖｅ,sｈｅlter,suｃｈａseｎginｅeｒiｎｇｏfadｖｅrｓetosｅｏkjeonglaｎdbｕｒied;4)fｉｎｄoｕttheｂｕｒｉaｌcｏnｄｉｔioｎaｎdgrounｄｗater,changelａwofundeｒgrouｎｄwaterleｖelandｐrovｉdeｃhａｎgerangｅ,ｄeteｒmｉnetｈｅgｒoundwatｅrofbuｉlｄｉｎgｍateｒiａlsｏfcorrosive;5）dｉscrｉminantsitetypeanddｉscriminａntｓaｔｕratedsanｄliquefaction；２.3leadｈolehoｍeｗｏrkｃoｎstｒuctionpｒｏcedure(1)mｅaｓuｒingunreeling，dｅｔerｍineacｃuratelytｈeｐｉｌｅlocatｉoｎ；Uｎderstandｉnｇｔhepileiｓｈaｒdlayerburiedｄepｔh，ｔhicknｅsｓ;Ｈigh—ｐｒesｓureｒotarysprａyｄrilliｎｇemｐlacｅment，levｅlｉng,prepａrationbentｏniｔeｍｕｄ.（2)high—prｅssurｅrotaｒyspraｙdrillrig,aｎdlowprｅsｓuｒewatｅrinｊectioｎｔrｉp,wateｒｉnjectiｏｎprｅｓｓure20ＭPa.Thedｒｉｌlwiththesｉdｅsiｎｊectionholeａreａlｌｉnjecｔiｏｎwaterfｌow,eaｓｙtoｄｒiｌｌdｏwｎ.Leａdholepurpｏseistopｒoviｄeｐilingｔｈeholｅ,theｅngiｎeeringpｉｌesstｒonglyweａtheｒedgraｎiｔelａｙerssmoothlythrouｇhｔheｄeｐthtｏmｅettheｄesignｒｅquiremeｎts。Bｙｔhebｕｉlderｏfpay—oｆfdｅtermineａpｉle,andtｈeｃontｒｏlpoiｎｔｌeadtonｏtｔｏinterferｅwitｈthepｏsitｉｏnｏｆtｈｅdｒｉllinｇ,driｌlｉngａftertheｃｏmpｌｅtionofthｅpileｒeseｔtoacｏｎｔrolpｏintｓ，aspｉｌinｇbaｓis.3)ｖeｒtｉcaldegｒeecontrol：leadtｈeｈolesinｔhevertｉｃaｌdeｇreｅｄirectｌydeｔｅrmｉｎeｔhｅｖerticａlｄeｇrｅeoｆengineｅｒｉngｐiｌes，soverticaldegｒeeｏfｃontrolｉｓthekeylｉnk,eｓpeciallyafteｒpilｉｎgmａchinｅｉsinpｌacｅ,thefｉrｓtquartｅｒofｔhｅｄriｌlpｉpecｏｎtｒｏlshaｌｌbeapprovedbytheZhiAｎYｕanrｅviｅwqualifｉｅdreａｒｃanspud，everyincreａseａqｕarteｒafterreｖｉeｗofaｖerｔicａlpipｅ。4)intoaholequaliｔｙcontｒol：ｄriｌlingproｃessshｏulｄｂｅbasedｏnthegeologiｃａldａtａrepｏrtthｅｓitｕatiｏｎｔopaycｌoseａtｔentiontoｔｈｅsoｉlａndｗaｔerlevｅlｃｈanｇeｓｉndrilｌing，iｆdisｃoｖerthｅuｎdｅｒgrouｎdｈaveoｂstaclesshallbeiｍmediatelyｓｔoppedfｏotage,theｃausｅsweｒefoｕndoutｂｅforeyoｕmｏveontotｈeconstrucｔiｏn，sｕchasthｅcａｓeofｃoarsesａndsoilcｏnｔａiｎｉngｍoｒeshouｌdbｅtimelytoadｄtｈemuｄ,andthicksｔrａrｃｈcirculaｔion,ensuredonotproduceｈｏlecoｌｌapsｅphｅnomenoｎ，3leaｄhoｌesｔaticpｉｌecoｎstructｉｏnｍeｔhodｔｅcｈｎicａldｉｆfiｃｕltiesandcｏunteｒmeasuｒes３。１ｌeadapｉleholetｈeproblｅｍandｃounterｍeaｓureＴhemａinｒeasoｎiｓ:1)withｏｕttheｌevｅlingｏｆthefｕselａgｅ。2)ｔhegrouｎdbaｄflaｔnessorｌowｂearｉngcapaciｔy,easytocausｅtｈefuｓelagelostflat.３)ｔheoriginaｌsｉteforoldbuilｄiｎgdeｍoliｔiｏn，thｅbasalbackfilｌsｏilcontainsａｓmaｌｌamountｏfrubbｌe,ｂrokensｉlicｏnｐiece,ifpiliｎｇappeareｄintheｐrｏcｅssofprｅｓｓｕreriseoｒpileinvain；sｕddenly，itｍaｙbｅthｅsoｉlhａvｅirrｅgulａｒrｕbble，bｒｏkｅnsｉｌicｏｎcaｒbidebｌoｃkａndｓoontｈings,shａllbｅimmｅdｉatｅlystoppiling，usefirstａｒｔificialoｒｅｘcａvatordｕgｒｅaｒcancｏntｉｎueｔopileｔｈeprｅssurｅ。４）clａmｐmｏｕthoilcylｉndｅrsynchroniｚation,cauｓeemｂraceprｅssureclａmｐing，ｃlampmouthｓｕrｆaceｗｉllnotvertｉcal,tｈepiledeflection。５）pillａｒassemblyｐreｃｉsionloｗ，vｅrtiｃalｐａrａｌleｌdｅgreeｉspoor,guideｗhｅｅlanｄｒａilgａpｗiｔhirrｅｇularortoobig。6)guiｄewｈeeｌwearserｉousorinapｐroｐriaｔeposｉtionoｆwelding.7)pｒesｓｕreintheproceｓｓofpiｌｅ,ｐilｉnｇandpiｎｅpiｌｅsiｎtervａlaｃtionｓhort，pilingforｃehaｓnotyｅｔbufferunloading,ｃaｕsｅaiｒfraｍｅtogroｕndseveｒeiｍpact,whiｃhｌostthｅsｗingfｌaｔ.Sｔaticｐilｉngmethｏｄcｏnsｔrｕctionpiletｈeｔｒeatmｅnｔmetｈodofinclineｄ：ｔｈeconstructionofｔhｅlevｅliｎgoftheguaｒａntｅe。Inｔhepillａrasｓeｍｂlywｅｌding，ｔoｐreventthｅweldinｇdeformation,Wiｌliaｍgaｌlasｓtemguaｒanteepillａｒparallｅlｄegｒeｅbetweｅn,oｎagingtreａtmeｎtafteｒwelｄｉng．Ｔheclipｐilｅｂｏxaｓsemｂlｉnｇcａrｒytｏpillarmidｄlｅcoｒｒｅｃtiｏｎ,pａｒａlｌｅltothｅerｒordiｓｔributｉｏnｏnbothｅndｓtopｉｌlar，reducｅtheｇuidｅｗhｅelgｕiｄerailｇap。Cliｐpileoilcylinｄｅrsyncｈronｉzaｔion，causｅｃlａｍpiｎｇpilewithvertiｃalmouｔhaｆterclａmp，thepiｌedefｌecｔion.Tｏthiskiｎdofcircumstance，cａnpａｓsinｔheheartofsteelａddaｆterpaｄ，ａｎdaｄjｕsttheclampmoｕtｈgrａｄieｎtitself，sｏastoensuretｈatｃlippiｌｅａfterpilevertiｃal。Maｋeｐileendasfａraspoｓsｉbleｔｏtｈeｇｒouｎd，thenvertｉｃalcｏrｒecｔion．IｔwouldkeepｃｌｉｐｐiｌetiｌtAngleofthesｍallerbｏｘwhｅntｈepｉleｉntｏthegroundpressuｒe,tｈroughｔhｅｒoleofthepilｅtoaｓsisｔguaｒanｔｅecｌippiｌebｏxdon’tｔilt．Tｈepｒeｓsurｅｏｆｔｈefiｒstrootpiｌe,correctｉｏn，theuseoｆguｉdｅwｈeeｌandrailｇａpsmａllerpaｒtabout1/3ｐresｓurefiｒsttrｉp,pressｅdiｎｔothepileｓoｉl，aｎdtｈenrｅstarttheｖerticａlcoｒｒectiｏｎ。３.2ｌｅａdholepiｌｅafｔerpｉlesuspensｉｏnpｒobｌeｍTheactualimｐlantedpilelenｇｔｈisfaｒlesｓｔhaｎthedｅsｉgntｈｅpｉlelength，andtheｄｅpｔhoftheintｒoduｃtionａｎdmｏｒethａnthｅactｕaliｍplａnｔedthｅpilｅlenｇtｈ，ｃauｓingatｌeast1～ｉｎtｈｅ2metersforhanｇingpiｌesphenomenoｎ,tｈistｙpeofpｉｌｅlostmucｈoftherｅｓｉsｔaｎｃeandｆｒｉｃtionalresｉsｔaｎcｅ。Figure2holdｓｔaｔicｐｉlｉngｐreｓsuretｙｐeofconstrucｔionmethodｆｏrpｉlｅsｃｈｅｍesＢｏｔｔｏmｌinｅtoｏclean,resistaｎcebigger,totheｓeｄimｅntproblemｓ,becaｕseｐrevｉouslｙusedａ１50ＸYｃlearsｌａgmudpuｍpｆorcabinsysｔems,powｅrsｍallｅｒ，instanｔlyｐressure(ａbｏuｔ1。5MPa）eｎoｕgｈtotaｋeｕptheresiｄuａlsｏｉlunｄｅｒlｙｉngａndweatheredrockｏfquartz,fｅlｄｓparｇｒain，dueｔogeｏgraｐhiｃalrｅasons，thｉsfielｄｑｕaｒtｚ,fｅldｓparparticlｅｓalsosliｇｈtlybig．Procｅｓsingmｅｔhｏds:suchaｓborｅｄpileup，fｏradozｅnｐrｅｃastpiｌe，moｄiｆｙelevaｔedpilecapｓ,letｉtsｓharetheuppｅrlｏaｄs。Sucｈastｈecasｅｏfａcciｄentｓｃaｎaddtheｒootsoｆpｉlemeｔｈodｔodealwｉthｏrｕseaddｓｍaｌlstatiｃpilereinforcemｅｎtmeｔhｏd。Ｆiｌltheｐilesmｅtｈｏd,ｂｅcauseｐileeｎdｎoｔｅnｔerｉncｌuｄethｅｄesiｇn，ｏrpｉlｅｅｎdexｉｓtsofｔｌayer，ｃａnstaysupergaｐwaｔerａway，thetwopｉｌeendpointsoilｌateralｄisplacｅｍeｎtafterinｃｒｅasｅfromsideｔoside,aｎdtｈeｎusiｎgtheｓtaticpｒｅsｓｕｒeｍethｏdtopileｔheｐresｓureintothｅｄepthofｔhｅｒｅquｉreｍentｓ，andgiｖeｆuｌlplａytothebｏttoｍresiｓtａnceaｎｄthｅroleoｆthefricｔioｎalresisｔanｃｅbyiｎordertoａｃhiｅvetｈebｅaringcapaｃｉtyofthedｅsignrequireｍents.Ａfｔｅｒfilｌingpiｌeconstｒｕctｉoｎispressuremethoｄ,thatiｓ,ｉnthｅmouthofthecａveandanｃhorpiｌecaｐｓisreserｖed,usesｔｒuｃｔureiｔｓｅｌfａsastａｔiｃpilecｏnsｔrucｔｉｏｎcoｕnterforcedeｖiｃe,tｈiskｉndｏfｍetｈoｄiseasytoopeｒａte，cａnsideupperｓtrucｔｕrｅconstruction，filｌｓtｒoｎgfoundａｔionandｎotsideｅｘtenｓionoftiｍe.３．３lｅadafterｂｒeａkiｎgpiｌeholepｉleInaddｉtｉontｏprｅｓｔresｓeｄtｅnｄonspipepiｌetｈestｒenｇthoｆｔheoutsｉdｅthｅirowｎinadequate,ａlsoｄoｎ’tｅxpeｌbyｉｎtheproｃeｓsofpｉlepipeｊointweldinｇqualiｔyispoｏr.Thｅpｉpeｗeldingjoinｔｉspｉpeｐilebodyqｕalｉｔyweaｋｌinkｓ,wh