污水晋升泵站压密注浆施工计划一、媒介Preface污水晋升泵站压密注浆要紧针对其基坑底板下部的约厚的粉土，因其底板呈路径部，部份土体滑动，构成部份底板与其下部粉土的别离，而构成空泛，如今通过现场勘探，因破害处为16×3×。因而恳求采纳注浆方法进展土体加固。ThisplanismainlyaimedataboutTHKpowdersoilinthebottomslaboffoundationpit.Asthebottomslabisinastepandpartofthesoilisslided,someslabsareseparatedfromthepowdersoil.Sothehollowsturnup.Afterthesiteinvestigation,asthebrokenareais16*3*,methodofgroutingshouldbeadoptedforthesoilstrengthening.二、压密注浆方法MethodologyforCompactionandGrouting该工程基坑底板现已浇注成功，依照现场的毁坏水平及以往的施工经历，先通过人工方法在底板开孔，而后依照水灰比0.5~0.6的计划进展搅拌水泥浆，再将搅拌平均的水泥浆用机器方法输出孔洞中，已到达加固地基土为目的。Thebottomslabinfoundationpithasbeensuccessfullyplaced.Accordingtothedamagedegreeandourconstructionexperience,firstlywewillmakeholebymanpower,secondlymixcementmortarinawatercementratioof0.5~0.6.Thencementmortarwillbeconveyedintoholesbymachinetomeettherequirement.三、施工淮备ConstructionPreparation1、设置制浆站、加浆站只管增加挪动次数。Establishthemortarprocessstationandaddingstationtominimizethetimesofremoval.2、装备调试，反省装备运转的情况。Equipmentcommissioning.Andchecktherunningstatusforequipments.3、备料、搭建水泥存放点Materialpreparation.Andbuildthestorageforcement.四、施工计划ConstructionPlan1、施工装备：水泥浆压力泵一台；泥浆搅拌桶一台；储浆桶一只；注浆杆一根；注浆管50m。ConstructionEquipments:Onecementmortarpressurepump.Onebucketforcementmortarmixing.Onebucketforstorage.Onepoleformortarfillingand50mconduit.2、职员构造：施工现场在施工工程司理部的指导下，另配压密注浆现场施工担任人1人，纯熟压密注浆工6人。StaffOrganization:AllsitestaffshallbeguidedbyP.M.,withonesiteconstructionsupervisorand6competentandexperiencedworkersforcompactionandgrouting.五、施工技巧恳求ConstructionTechnicalRequirements1、技巧恳求：TechnicalRequirements因施工地块现已浇注混凝土底板，固采纳风镐进展人工开孔，孔距为2.0m~，呈梅花形布孔，如此有利于浆液充填。Asthesitehasbeenplacedwithconcrete,holeswillbemadebymanpowerwithairpick.Theseholeswillbeinaplumblossomshape,withclearanceof2.0m~1.5mtofacilitatethefullfilling.压浆装备采纳200型高压泵注浆，机器能源采纳自备柴油机能源，此泵最年夜压力可到达8MPa。200typeHPpumpandselfowneddieselgeneratorwillbeused.Themaximumpressureofpumpis8MPa.注浆时应采纳跳越注浆，如此可使浆液充填密实。Itwillbegroutedinskiptomeetthedensityrequirement.2、工艺流程：WorkmanshipFlowChart人工依尺寸成孔搅拌水泥浆液小压力注浆待初凝后再度注浆封孔。ManualHolesMakingAsSizedCementMortarMixingGroutingwithLPSecondGrouting(Afteritisgenerallyconsolidated.)SealHoles3、注浆技巧恳求：TechnicalRequirementsforGrouting1)水泥浆液配制水灰比0.5~0.6；初次注浆时压力操纵在0.2~0.3之间；待12小时后，再次注浆，二次注浆压力不得超越0.5MPa。以防止压力过年夜，构成基坑底板的毁坏，注浆时可依照现场施工情况下调剂注浆压力Thewatercementratiois0.5~0.6.Intheinitialgrouting,thepressureshouldbecontrolledwithin0.2~0.3.Itwillbesecondlygroutedafter12h.Thesecondtimepressurecannotexceed0.5MPatoavoidthedamageforbottomslab.Thepressurecanbeadjustedaccordingtotheactualcondition.2)浆液配制采纳425#一般硅酸盐，注浆量以浆满出底板为止。425#Portlandcementwillbeusedformixing,withthewatercementratioof0.5~0.6.Theareamustbefilledtillthemortarexceedsthebottomslab.3)注浆管采纳高压注...
