海南省工程建設(shè)地方標(biāo)準(zhǔn)海南省螺桿灌注樁技術(shù)標(biāo)準(zhǔn)TechnicalstandardforpartGscrewpileinHainanDBJ46—026—2021主編部門:海南省住房和城鄉(xiāng)建設(shè)廳批準(zhǔn)部門:海南省住房和城鄉(xiāng)建設(shè)廳海南省住房和城鄉(xiāng)建設(shè)廳關(guān)于發(fā)布?海南省螺桿灌注樁技術(shù)標(biāo)準(zhǔn)》的通知工、監(jiān)理單位,其他有關(guān)單位及個(gè)人:理、安全適用、保證質(zhì)量、保護(hù)環(huán)境,我廳組織相關(guān)單位對(duì)原?螺桿灌注樁技術(shù)規(guī)程?DBJ46—026—2013進(jìn)行了修訂.修訂后標(biāo)準(zhǔn)名稱為?海南省螺桿灌注樁技術(shù)標(biāo)準(zhǔn)?,并經(jīng)專家評(píng)審?fù)ㄟ^,作廢.海南省住房和城鄉(xiāng)建設(shè)廳1螺桿灌注樁技術(shù)是在吸收了AJ樁(一種由混凝土和鋼纖維預(yù)制而成的全螺紋樁)、全螺紋灌注樁等技術(shù)優(yōu)點(diǎn)的基礎(chǔ)上,由我國(guó)自主創(chuàng)新的一種涵蓋樁、成樁設(shè)備、成樁工法于一體的異型灌注樁專利技術(shù).該技術(shù)對(duì)傳統(tǒng)樁工藝技術(shù)進(jìn)行了關(guān)鍵性變革,具有以下技術(shù)特征:(1)成孔成樁均一次性完成,杜絕了因孔壁塌方造成的安全質(zhì)量事故;(2)樁身帶有螺紋形構(gòu)造,顯著提高了基樁承載力;(3)施工高效,用材節(jié)約,可有效降低工程造價(jià);(4)施工微取土、無須泥漿護(hù)壁、噪聲和震動(dòng)較小.本標(biāo)準(zhǔn)是在?螺桿灌注樁技術(shù)規(guī)程?(DBJ46—026—2013)的基礎(chǔ)上進(jìn)行補(bǔ)充、修改和完善的.在修訂過程中,總結(jié)了全國(guó)各地螺桿灌注樁的設(shè)計(jì)、施工經(jīng)驗(yàn),并廣泛征求了勘察、設(shè)計(jì)、施查定稿.本次修訂的主要內(nèi)容包括:總則、術(shù)語(yǔ)和符號(hào)、基本規(guī)定、勘本次修訂增加的內(nèi)容主要有:帶擴(kuò)大體螺桿灌注樁設(shè)計(jì)、嵌巖時(shí)螺桿灌注樁設(shè)計(jì)、抗拔承載力設(shè)計(jì)等.本標(biāo)準(zhǔn)的某些內(nèi)容涉及“半螺絲樁及其成樁工法”(專利號(hào)2問題,使用者可直接與專利權(quán)人協(xié)商處理,本標(biāo)準(zhǔn)的發(fā)布機(jī)構(gòu)不承擔(dān)識(shí)別這些專利的責(zé)任.本標(biāo)準(zhǔn)由海南省住房和城鄉(xiāng)建設(shè)廳負(fù)責(zé)管理,由海南省建解釋.本標(biāo)準(zhǔn)在執(zhí)行過程中如有意見和建議,請(qǐng)隨時(shí)將有關(guān)意見和建議反饋至海南省建設(shè)標(biāo)準(zhǔn)定額站(地址:海南省海口市美EQ\*jc3\*hps20\o\al(\s\up6(蘭區(qū)),郵箱)EQ\*jc3\*hps20\o\al(\s\up6(白),b)EQ\*jc3\*hps20\o\al(\s\up6(龍),zk)EQ\*jc3\*hps20\o\al(\s\up6(南),d)EQ\*jc3\*hps20\o\al(\s\up6(郵),g)EQ\*jc3\*hps20\o\al(\s\up6(電話),今后)主編單位:海南有色工程勘察設(shè)計(jì)院海南卓典高科技開發(fā)有限公司參編單位:海南柏森建筑設(shè)計(jì)有限公司主要起草人員:楊武彭桂皎馮春燕楊永康譚燕姬張明周中劉德華陳海同主要審查人員:唐建中劉煥存邢啟民黃雪峰魏武衛(wèi)宏李社青1 2術(shù)語(yǔ)和符號(hào) 3基本規(guī)定 5樁基設(shè)計(jì) 5.3單樁豎向極限承載力 5.4樁身承載力 5.5單樁豎向抗拔承載力 5.6單樁水平承載力 6復(fù)合地基設(shè)計(jì) 8質(zhì)量檢驗(yàn)與驗(yàn)收 8.2施工前檢驗(yàn) 8.3施工過程檢驗(yàn) 8.4施工后檢驗(yàn) 28.5工程質(zhì)量驗(yàn)收 附錄A螺桿灌注樁示意圖 附錄B螺桿灌注樁樁型 附錄C組合式齒狀螺紋鉆具 附錄D螺桿灌注樁成樁工藝過程示意圖 附錄E螺桿灌注樁擴(kuò)大體工藝示意圖 附錄F消除擠土效應(yīng)的屏障技術(shù)示意圖 附錄G螺桿灌注樁施工記錄表 附錄H螺桿灌注樁設(shè)計(jì)說明 本標(biāo)準(zhǔn)用詞用語(yǔ)說明 引用標(biāo)準(zhǔn)名錄 條文說明 ofHainanProvincePDBJ46—026—2021TechnicalstandardforpartGscrewpileinHainan(ShouldtherebeanyinconsistenciesbetweenChineseandEnglishversions,theChineseversionshallpIssuebyHainanProvincialDepartmentofEngineeringconstructionstandardofHainanProvinceTechnicalstandardforpartGscrewpileinHainanDBJ46—026—2021Chiefdevelopmentdepartment:HainanProvincialDepartmentofHousingandUrbanGRuralDevelopmentApprovaldepartment:HainanProvincialDepartmentofHousingandUrbanGRuralDevelopmentImplementationdate:March1,2022ForwardBasedonthetechnicaladvantagesofAJpile(akindoffullythreadedpileprefabricatedwithconcreteandsteelfibers)patenttechnologyofspecialGshapedfillingpilepatenttechnologyofspecialGshapedfillingpilecoveringthepileproduct,thepileformingequipmentandthepileformingmethod,whichisinnovatedindependentlyinChina．Ithasmadekeychangestothetraditionalpiletechnologyandhasthefollowingtechnicalcharacteristics:(1)Holeformingandpileformingcanbecompletedatonetime,preventingsafetyandqualityaccidentscausedbythecollapseoftheholewall;(2)Thepilebodyhasathreadedstructure,whichsignificantlyimprovesthebearingcapacityofthepile;(3)Theconstructionisefficient,thematerialissaved,andtheprojectcostiseffectivelyreduced;(4)Intheconstructionprocess,theworkloadofsoilwithdrawingissmall,nomudwallprotectionisrequired,andthenoiseandvibrationarewellcontrolled.Thisstandardissupplemented,modified,andimprovedon026—2013)．Inthedevelopmentprothebasisof＂TechnicalCodeforHalfG026—2013)．InthedevelopmentproscrewpileinChina．AndithasextensivelysolicitedtheopinionsscrewpileinChina．Andithasextensivelysolicitedtheopinionsofrelevantunitssuchassurvey,design,construction,scientificresearchanrevisions,thefinaldraftwasreviewedandfinalized.Themaincontentsoftherevisionofthisstandardinclude:generalprovisions,termsandsymbols,basicrequirements,TherevisedandaddedcontentsofthisstandardmainlypartGscrewpileembeddedinrock,designofupliftpartGscrewpileembeddedinrock,designofupliftcapacity,etc.EQ\*jc3\*hps20\o\al(\s\up0(a),＂)EQ\*jc3\*hps20\o\al(\s\up0(a),＂)Equipmentnegotiatewiththepatenteesforspecifictechnicalproblemsinvolvingpatentsmentionedabove,andtheissuingbodyofthisstandardshallnotbeheldresponsibilityforidentifyinganyorallsuchpatentrights.DepartmentofHousingandUrbanGRuralDevelopmentofHainanProvinceisinchargeoftheadministrationofthisstandard．ConstructionStandardandQuotaStationofHainanProvinceoverseestheroutinemanagement,andthechiefdevelopmentorganizationisresponsibleforthespecificexplanationofspecifictechnicalcontents．Duringtheprocessofimplementingthisstandard,therelevantopinionsandadvice,whenevernecessary,canbepostedorpassedontoConstructionStandardandQuotaStationofHainanProvince(Address:No.77BailongSouthRoad,MeilanDistrict,HaikouCity,HainanEQ\*jc3\*hps20\o\al(\s\up3(Pro),dez)EQ\*jc3\*hps20\o\al(\s\up3(v),＠)EQ\*jc3\*hps20\o\al(\s\up3(nce),hai)EQ\*jc3\*hps20\o\al(\s\up3(zi),n)EQ\*jc3\*hps20\o\al(\s\up2(p),g)EQ\*jc3\*hps20\o\al(\s\up3(co),ov)EQ\*jc3\*hps20\o\al(\s\up3(e),c)ChiefDevelopmentOrganizations:EQ\*jc3\*hps20\o\al(\s\up6(Ha),Par)EQ\*jc3\*hps20\o\al(\s\up6(nanZh),ticipati)EQ\*jc3\*hps20\o\al(\s\up6(u),n)EQ\*jc3\*hps20\o\al(\s\up6(o),g)EQ\*jc3\*hps20\o\al(\s\up6(d),D)EQ\*jc3\*hps20\o\al(\s\up6(an),ev)EQ\*jc3\*hps20\o\al(\s\up6(H),lo)EQ\*jc3\*hps20\o\al(\s\up5(g),p)EQ\*jc3\*hps20\o\al(\s\up6(h),m)EQ\*jc3\*hps20\o\al(\s\up6(ec),nt)EQ\*jc3\*hps20\o\al(\s\up6(h),O)EQ\*jc3\*hps20\o\al(\s\up6(D),r)EQ\*jc3\*hps20\o\al(\s\up6(e),g)EQ\*jc3\*hps20\o\al(\s\up6(velopmen),anizations)HainanBosenArchitecturalDesignCo．,LtdChiefDraftingStaff:YanjiTan,MingZhang,ZhongZhou,DehuaLiu,HaitongChenChiefExaminers:JianzhongTang,HuancunLiu,QiminXing,XuefengHuang,WuWei,HongWei,SheqingLiContents1Generalprovisions 2Termsandsymbols 2.1Terms 3Basicrequirements 4Geotechnicalinvestigations 5DesignofpartGscrewpilefoundations 5.1Generalrequirements 5.2Structuralmeasureoffoundationpile 5.3Ultimateverticalbearingcapacityofasinglepile 5.4Pilebearingcapacity 5.5Verticalupliftcapacityofasinglepile 5.6Lateralloadcapacityofasinglepile 6Designofcompositefoundation 7Construction 7.1Basicrequirements 7.2Constructionpreparation 7.3Constructionprocess 7.4Constructioncontrol 8Qualityinspectionandacceptance 8.1Generalrequirements 8.2PreGconstructioninspection 8.3Inspectionduringconstruction 8.4PostGconstructioninspection 8.5Acceptanceofengineeringquality APPENDIXCAssembledtoothedthreaddrillingtools EQ\*jc3\*hps20\o\al(\s\up7(APPENDIXA),APPENDIXB)EQ\*jc3\*hps20\o\al(\s\up7(D),P)EQ\*jc3\*hps20\o\al(\s\up7(et),le)EQ\*jc3\*hps20\o\al(\s\up7(il),ty)EQ\*jc3\*hps20\o\al(\s\up7(