基坑面積約8004.38周長為470.71msmw工法樁加內(nèi)支撐結合復合土釘墻深支護設計計算書、cad任務書開題報告

河西地塊基坑支護設 ，擬建工程主體結構：建筑物下設有一層室室墊層底標高為-5.8m，局部機械停車車庫墊層底標高為-7.2m。擬采用預應力管樁基礎?；用娣e約8004.38m2470.71m。本基坑工程以自然地面為假定±0.00，所注，土方開挖和室施工創(chuàng)造一個安全干燥的施工環(huán)境考慮到鄰近坑邊有建筑和LMNO、WXYZA1A段采用SMW支護樁加一層鋼筋砼支撐作為支護結構其余段采用三軸攪拌樁1:1；基坑外側采用管井降低止水帷幕外側水頭，坑內(nèi)采用管井降低水位SMW SMW工 復合土 鋼筋混凝土支撐三 攪拌ThedesignforfoundationpitofshijiazhuangblockinTheproposedbuildingincludsabasement.thebottomelevationofthebasementcushionis-5.8meters,forsomepartialmechanicalparkinggarage,thebottomelevationis-7.2meters.Pre-stressedpipepilefoundationsaretobeadopted.Theareaofthefoundationpitisapproximay8004.38squaremeters,theperimeterofwhich470.71meters.Thisfoundationpitprojecttakesthenaturalgroundasthehypothesis±0.00,whichisrelativelyNoteelevationofthiselevation.Theaveragelevelofthenaturalgroundis+6.2meters.Consideringofthegeologicenvironment,excavationdepthofthefoundationpit,tocreateansafeanddrysurroundingsfortheearthworkandbasement,wecarryoutthedesignincontrolofdisplacementdeformation,inordertokeepthemaintrafficroadsandbuildingssafeandtoarrangepipelinesofwater,electricityandcoalgasbelowthesurface.Accordingwithfundamentaltechnicalstandard,approachingsafereliability,theeconomical-reasonableandconvenientconstructionandguaranteeingprojecttimelimit，weuseSMWguardstakesasretainingstructure,reinforcedconcretebracingasbracingstructureforLMNO,WXYZA1Asectionandusetriaxialdeepmixingpilescombinedwithcompositesoilnailwallasasupportstructureforothersections.slopetreatmentisusedinthedeeppitboundaries.Thegradientis1:1.Withthepurposeofdewatering,weusetubewells.Beforethedesign,IimakessomeintroductionaboutthetwonewformsofwhichareSMWmethodandCompositesoilnailingthencarrysonwiththetwoshoringformsindetailrespectivelybyhandandbycomputer。Italsocarrysouttherequestofconstructionandtheprojectofsurveyanddrawsichnography,sectionaldrawing,thedrawing.SincethereisnosoftwarecanconsiderthefunctionofthemixingpileintheCompositesoilnailing,itueseanotherdesign