BS 5328-2-1997 Concrete. Methods for specifying concrete mixes.pdf

《BS 5328-2-1997 Concrete. Methods for specifying concrete mixes.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、ConcretePart2.MethodsforspecifyingconcretemixesICS91.100.30本资料由微信公众号jianzhu118整理NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAW持续更新中Section1.GeneralIntroductionPurchasersorderinginaccordancewiththisstandardareadvisedtospecifyqualityassurancerequi

2、rementsThisPartofBS5328givesthemethodstobeusedbyformaterialsorforconcreteintheirpurchasingthepurchaserforspecifyingconcrete.Thestandardiscontractstoassurethemselvesthatproductsspecifiedinfivesections:inaccordancewithBS5328consistentlyachievetherequiredlevelof

3、quality.Purchasersofready-mixedsection1General;concreteareadvisedtospecifycertificationmeetingsection2Designedmixes;therequirementsoftheUnitedKingdomAccreditationsection3Prescribedmixes;Service,NationalAccreditationofCertificationBodies,forproductconformity.T

4、heyaresimilarlyadvisedtosection4Standardmixes;specifythat,wheretheyareavailable,constituentsection5Designatedmixes.materialsshouldbeobtainedfromsuppliersoperatingqualitysystemsinaccordancewithBSENISO9000.Section5givesanewmethodofspecifyingconcrete,thedesignat

5、edmix.Thismethodofspecificationis1.1ScopeprimarilyaimedatinsituconcreteapplicationsanditisunlikelytobeapplicabletofactoryproducedprecastThisPartofBS5328givesmethodsforspecifyingconcreteproducts.Thepurchaserspecifiesamixconcrete.Itdoesnotapplywhentheconcreteis

6、designationappropriatetotheenduseandthisisanspecifiedasbeinginaccordancewithanotherBritishinstructiontotheproducertocomplywiththeStandardspecificationgiveninsection5.Thereisalsoarequirementthattheproducerholdscurrent1.2Referencesconfonnitycertificationbasedon

7、producttestingandsurveillancecoupledwithapprovaloftheproducer's1.2.1NormativereferencesqualitysystemtoBSENISO9001byacertificationThisPartofBS5328incoxporates,bydatedorundatedbodyaccreditedbytheSecretaryofState(orreference,provisionsfromotherpublications.These

8、equivalent)fortherelevantareasofproductandnonnativereferencesaremadeattheappropriatesystemsconfonnitycertification,asthisistheprimeplacesinthetextandthecitedpublicationsarelistedmeansofco