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1、BRITISHSTANDARDBSEN1991-1-5:2003Eurocode1:Actionsonstructures—Part1-5:Generalactions—Thermalactions--`,`,,,,,`,``,`,`,```,,```,,`,-`-`,,`,,`,`,,`---TheEuropeanStandardEN1991-1-5:2003hasthestatusofaBritishStandardICS91.010.30
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2、BritishStandardsInstitutionDocumentprovidedbyIHSLicensee=HongKongPolytechnicUniv/9976803100,ReproducedbyIHSunderlicensewithBSI-UncontrolledCopy08/01/200406:17:21MDTQuestionsorcommentsaboutthismessage:pleasecalltheDocumentPolicyGroupat303-397-2295.BSEN1991-1-5:2003NationalforewordThisBritishStan
3、dardistheofficialEnglishlanguageversionofEN1991-1-5:2003.TheUKparticipationinitspreparationwasentrustedbyTechnicalCommitteeB/525,Buildingandcivilengineeringstructure,toSubcommitteeB/525/1,Actions(loadings)andbasisofdesign,whichhastheresponsibilityto:—aidenquirerstounderstandthetext;—presenttoth
4、eresponsibleinternational/Europeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.Alistoforganizationsrepresentedonthissubcommitteecanbeobtainedonrequesttoitssecretary.Wherean
5、ormativepartofthisENallowsforachoicetobemadeatthenationallevel,therangeandpossiblechoicewillbegiveninthenormativetext,andaNotewillqualifyitasaNationalDeterminedParameter(NDP).NDPscanbeaspecificvalueforafactor,aspecificlevelorclass,aparticularmethodoraparticularapplicationruleifseveralarepropose
6、dintheEN.ToenableEN1991-1-5tobeusedintheUK,theNDPswillbepublishedinaNationalAnnexwhichwillbeincorporatedbyamendmentintothisBritishStandardinduecourse,afterpublicconsultationhastakenplace.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocument
7、maybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryp
