【英文标准名称】:Executionofspecialgeotechnicalwork-Displacementpiles
【原文标准名称】:特殊土工工程的开挖.桩的替换
【标准号】:BSEN12699-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-02-15
【实施或试行日期】:2001-02-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:挖掘;铸铁;桩;灌浆;打桩;打桩工程;现场勘测;混凝土;开挖;木材;施工作业;结构体系;土力学;钢;设计
【英文主题词】:
【摘要】:1Thisstandardestablishesgeneralprinciplesfortheexecutionofdisplacementpiles,thatmeanspileswhichareinstalledinthegroundwithoutexcavationorremovalofmaterialfromthegroundexceptforlimitingheave,vibration,removalofobstructionsortoassistpenetration.Pilesaredrivenintothegroundusingimpact,vibration,pressing,screwingoracombinationofthesemethods.2Thematerialofdisplacementpilescoveredbythisstandardcanbe:—steel;—castiron;—concrete,mortar;—timber;—grout;—combinationofabove.3Thisstandardcoversprefabricated,castinplace,oracombinationofthesemethodstoformdisplacementpilesofregularshape.ExamplesaregiveninFiguresA.2andA.3inannexA.4Thisstandardislimitedtopileswithadiameterormaximumcrosssectionaldimensiongreaterthan150mm.5OtherthanpracticalconsiderationsthereareforthepurposeofthisStandardnolimitationsregardingshaftorbaseenlargements,lengthorrake.6Theprovisionsofthestandardapplyto:—singlepiles;—pilegroups;—wallsformedbyconcretesheetpiles.7Columnsconstructedbygroundimprovementtechniques(suchasmixedinplacecolumns,jetgrouting,compactiongrouting,vibroflotation,stonecolumnsarenotcoveredbythisstandard.BoredpilesarecoveredinEN1536.SteelandtimbersheetpileswallsarecoveredinEN12063.Micropilesarecoveredin(Wl00288010).note:1)Astandardonmicropilesisunderpreparation.
【中国标准分类号】:P22
【国际标准分类号】:93_020
【页数】:50P;A4
【正文语种】:英语