资源描述：
《人工成孔灌注桩工程施工工艺》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。
1、人工成孔灌注桩工程施工工艺本工艺标准适用于工业和民用建筑中粘土、粉质粘土及含少量砂、石粘土层，且地下水位低的人工成孔灌注桩工程2.1材料及主要机具：2.1.1水泥：宜采用325号～425号普通硅酸盐水泥或矿渣硅酸盐水泥。2.1.2砂：中砂或粗砂，含泥量不大于5%。2.1.3石子：粒径为0.5～3.2cm的卵石或碎石；桩身混凝土也可用粒径不大于5cm的石子，且含泥量不大于2%。2.1.4水：应用自来水或不含有害物质的洁净水。2.1.5外加早强剂应通过试验选用，粉煤灰掺合料按试验室的规定确定。2.1.6钢筋：钢筋的级别、直径必须符合设计要求，有出厂证明书及复试报告。2
2、.1.7一般应备有三木搭、卷扬机组或电动葫芦、手推车或翻斗车、镐、锹、手铲、钎、线坠、定滑轮组、导向滑轮组、混凝土搅拌机、吊桶、溜槽、导管、振捣棒、插钎、粗麻绳、钢丝绳、安全活动盖板、防水照明灯（低压36V、100W），电焊机、通风及供氧设备、扬程水泵、木辘轳、活动爬梯、安全帽、安全带等。2.1.8模板：组合式钢模，弧形工具式钢模四块（或八块）拼装。卡具、挂钩和零配件。木板、木方，8号或12号槽钢等。cluesspecificofpetitionreported"wherementionwillcheck",stronglypreventemployingover
3、sightand"sickpromoted".Toensurethegeneralairfresh.Generalcultureisaplaceofpoliticalecology"barometer",directlyrelatedtotheconstructionofthecontingentofcadres.Toseriousgeneraldiscipline,breakgeographicalsectorboundariestothingoptionalpeople,andpeoplegangphasesuitable,andwithitsDirector
4、,onthoseinsistedprinciples,andpracticalofficer,andnotrundon'tandlong-terminhardpostworkofcadrestofocususing,onthoseenergynotconcentrated,andworknotrelief,obsessedwithrunkind,andtakeantennaofcadresstronglywithout,realputthosewantstodrymaydryactivedry,andcapablewilldryatdryofexcellentca
5、dresselectedout,andwithup.Toperfectthecadreemploymentsystem.Reinforcementfortheemployment-oriented,setthecadresystemofassessmentofscience,strictlyimplementtheleadingcadrespromotedordemotedseveralprovisionsassoonaspossibleformoncan,mediocrity,andeffectivemechanismsfortheEliminationofin
6、ferior.Especiallycentraltorequest,tofurtherstrengthen"down"play,detailed"down"situations,aclear"under"standard,foundunfitforactivedutyandtimelyadjustmentofcadres.Firsthalfoftheyear,notonlyoverweightDeputy-levelleadershippositionsinseveraldigestivetaskstocomplete,andforthosewho"can't",
7、"don'twantto","notas"cadresshouldalsohavetotakemeasures,trainingofthetraining,this...Excitingspirit,daretoplay,pioneermission,strugglingtogetoutoftheforestdevelopmentroadoftransformation.Wetoinfutureofworkinthe,wetoaccordingtoJiaShujiofrequirements,deepunderstandon2.2作业条件：2.2.1人工开挖桩孔，
8、井壁支护应
