【团体标准】 土体密度及含水率复阻抗法检测技术要求

本标准规定了土体密度及含水率复阻抗法检测的总体要求、检测仪器、标准土体模型建模、现场检测，适用于采用复阻抗法无核密度仪检测堤防、土石坝、地基处理等水利工程的土方填筑密度及含水率（检测土体类型为细粒类土、砾粒含量不大于25%，颗粒最大粒径不大于15mm的含砾细粒土），其内容涉及检测数量、仪器组成与校准、建模方法、数据处理等多方面要求，引用了多项国家标准和行业标准，旨在规范相关检测活动，助力企业融入国际采购，提升国际竞争力。Thisstandardspecifiesthegeneralrequirements,testinginstruments,modelingofstandardsoilmodels,andon-sitetestingforthedetectionofsoildensityandmoisturecontentusingthecompleximpedancemethod.Itappliestothedetectionofearthfilldensityandmoisturecontentinwaterconservancyprojectssuchasdikes,earth-rockdams,andfoundationtreatmentsbymeansofcompleximpedance-basednon-nucleardensitymeters(thedetectablesoiltypesincludefine-grainedsoilsandgravel-containingfine-grainedsoilswithagravelcontentnotexceeding25%andamaximumparticlesizenotexceeding15mm).Itscontentscovervariousrequirementsinaspectssuchastestingquantity,instrumentcompositionandcalibration,modelingmethods,anddataprocessing,anditreferstoanumberofnationalstandardsandindustrystandards.Itisintendedtostandardizerelevanttestingactivities,assistenterprisesinintegratingintointernationalprocurement,andenhancetheirinternationalcompetitiveness.