日本钢结构设计标准.doc

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1、CRCSolutionsDesignStandardforSteelStructureⒸTheArchitecturalInstituteofJapanCHAPTER1GENERAL1.1ScopeofApplicationThisStandardappliestothestructuraldesignofsteelbuildings.TheStandard,however,neednotapplytostructuraldesignsbasedonspecialresearchstudies.1.2StructuralSafetyVerificationTests

2、WhereadesignininvolvesconnectionandotherstructuraldetailsnotexpresslyprescribedinthisStandard,thestructuralsafe&ofsuchdetailsshallbeprovedbytestsorbyotherappropriatemeans.1.3EnlargementofSectionSectionsofvariousstructuralelementsshallbeenlargedasrequired,withdueconsiderationforpractica

3、llimitationinprecisionofstructuraldesigns,inadequacyinconstructionalworkmanship,andsuchadversefactorsasrusting,corrosionandwearofsteelmaterials.1.4NomenclatureAGrosssectionalarea;nominalbodyareaofahigh-strengthbolt;orsumofsectionalareasofcolumncomponents(mm2)ANNetsection(mm2)AdSectiona

4、lareaoflacingelement;ortotalsectionalareaofapairoflacingelementsinthecaseofdoublelacing(mm2)AfCross-sectionalareaofcompressionflange;orcross-sectionalareaofeitherflange(mm2)ApSectionalareaofpartsincontact(mm2)AsCross-sectionalareaofverticalorhorizontalstiffeners(mm2)AwCross-sectionalar

5、eaofwebplate(mm2)aEquivalentarealossduetorivet,boltorhigh-strengthboltholes(mm2);orspacingofintermediatestiffeners(mm)a0Netarealossduetorivet,boltorhigh-strengthboltholes(mm2)bWidthofcompressionelementfreeatoneedgeandfixedattheother;widthofrockerorroller;orlongitudinalspacingorpitchofc

6、onsecutiveholes(mm),butnotlargerthan2.3BendingcoefficientdependentuponmomentgradientDNominaloutsidediameterofsteelpipe;oroutsidediameterofmainsteelpipe(mm)dWidthofelementstiffenedalongtwoedges;outsidediameterofbranchpipe;widthofwebplate;ordiameterofpin(mm)49CRCSolutionsDesignStandardfo

7、rSteelStructureⒸTheArchitecturalInstituteofJapand1Minimumwidthoftheportionofwebplatedividesbyverticalorhorizontalstiffener(mm)EModulusofelasticity(N/mm2)eDistancebetweenaxesofgravityofcomponents(mm)FBasicvalueusedindeterminingallowablestresses(N/mm2)(N/mm2)fAllowablestressinmemberssu