DIN EN 15237-2007 特殊土方工程的执行.垂直排水

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【英文标准名称】:Executionofspecialgeotechnicalworks-Verticaldrainage;EnglishversionofDINEN15237:2007-06
【原文标准名称】:特殊土方工程的执行.垂直排水
【标准号】:DINEN15237-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-06
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑检验员;土木工程;土壤成分;结构;定义;设计;尺寸选定;排水工程;排水;英语;检验(质量保证);地基;基土改良;法语;土工学;德语;安装;预制的;性能;渗水坑;土壤;特殊土方工程;规范(验收);底土;监督(认可);垂直
【英文主题词】:
【摘要】:ThisEuropeanstandardestablishesgeneralprinciplesfortheexecution,testing,supervisionandmonitoringofverticaldrainprojects.ThisEuropeanstandardincludestheapplicationofprefabricatedverticaldrainsandsanddrainsanddealswithrequirementstobeplacedondesign,drainmaterialandinstallationmethods.ThisEuropeanstandardappliestotheimprovementoflow-permeability,highlycompressiblesoilsbyverticaldrainageandpreloading.imformationregardingloading(embankment,vacuumorgroundwaterlowering)andpreloadingisgivenininformativeAnnexesAandB.Verticaldrainageisusedbothinonlandandinmarineconstructionsforthefollowingpuiposes:-(pre-)consolidationandreductionofpost-constructionsettlements;-speedinguptheconsolidationprocessbydecreasingthepathlengthsforporewaterdissipation;-increaseofstability(byincreasingeffectivestressesinthesoil);-groundwaterlowering;-mitigationofliquefactioneffects.Ineachcasethereisanoveralltreatmentofthesoil(thevolumeofthedrainsissmallinrelationtothesoilvolumetreated).ThisEuropeanstandarddoesnotincludesoilimprovementbymeansofwells,gravelandstonecolumns,large-diametergeotextileenclosedcolumnsorreinforcingelements.Verticaldrainagecanalsobecombinedwithotherfoundationorgroundimprovementmethods,e.g.electro-osmosis,pilesandcompactedsandpiles,dynamiccompactionanddeepmixing.Guidanceonpracticalaspectsofverticaldrainage,suchasinvestigationofdeainproperties,executionproceduresandequipment,isgiveninAnnexA.Investigationofsoilcharacteristicsandassessmentofdesignparameters,whichareaffectedbydrainpropertiesandexecution,arepresentedinAnnexB.
【中国标准分类号】:P21
【国际标准分类号】:93_020
【页数】:59P;A4
【正文语种】:英语