BS 6073-2-2008 Precast concrete masonry units. Guide for specifying precast concrete masonry units

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1、BS6073-2:2008BRITISHSTANDARDPrecastconcretemasonryunits–Part2:GuideforspecifyingprecastconcretemasonryunitsICS91.100.30NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWBS6073-2:2008PublishingandcopyrightinformationTheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedo

2、cumentwaslastissued.©BSI2008ISBN9780580593666ThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferenceB/519/1Draftforcomment08/30168066DCPublicationhistoryFirstpublishedJuly1981Secondedition,November2008AmendmentsissuedsincepublicationAmd.no.DateTextaffectedBS6073-2:2008

3、ContentsForewordii1Scope12Normativereferences13Termsanddefinitions14General25Basiccharacteristics(BSEN771-3:2003+A1,6.1,andBSEN771-4:2003+A1,6.1)26Additionalcharacteristics(BSEN771-3:2003+A1,6.1,andBSEN771-4:2003+A1,6.1)67Otherproperties68Manufacturingcontrol7Bibliography8ListoftablesTa

4、ble1–Worksizesofaggregateconcreteblocks(BSEN771-3)3Table2–Worksizesofaggregateconcretecoursingunits(BSEN771-3)3Table3–Worksizesofaircreteblocks(BSEN771-4)3Table4–Worksizesofaircretecoursingunits(BSEN771-4)3Table5–Limitdeviationsinmillimetresforaggregateconcreteunits(BSEN771-3)4Table6–Li

5、mitdeviationsinmillimetresforaircreteunits(BSEN771-4)4Table7–Groupingofunits–volumelimits5Table8–Commonlyavailableunitstrengthsofaggregateconcreteandaircreteunits(BSEN771-3andBSEN771-4)www.bzfxw.com5SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,pagesiandii,pages1to8,

6、aninsidebackcoverandabackcover.©BSI2008•iBS6073-2:2008ForewordPublishinginformationThispartofBS6073ispublishedbyBSIandcameintoeffecton30November2008.ItwaspreparedbySubcommitteeB/519/1,Masonryunits,undertheauthorityofTechnicalCommitteeB/519,Masonryandassociatedtesting.Alistoforganization

7、srepresentedonthesecommitteescanbeobtainedonrequesttoitssecretary.SupersessionThispartofBS6073supersedesBS6073-2:1981,whichiswithdrawn.RelationshipwithotherpublicationsThispartofBS6073wasoriginallydevelopedasamethodforspecifyingmasonryunitsinaccordancewithBS6073-1,whichhasbeenw