ASHRAE.Application53-1999 SEISMIC AND WIND RESTRAINT DESIGN

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1、CHAPTER53SEISMICANDWINDRESTRAINTDESIGNSEISMICRESTRAINTDESIGN.............................................53.1SeismicSnubbers.....................................................................53.8Terminology............................................................................53.2Ex

2、amples.................................................................................53.9Calculations............................................................................53.2InstallationProblems............................................................53.13ApplyingStaticAnalysis

3、Using1994UBC.............................53.3WINDRESTRAINTDESIGN................................................53.13AnchorBolts...........................................................................53.8Terminology........................................................................

4、..53.13WeldCapacities......................................................................53.8Calculations..........................................................................53.14ALMOSTallinhabitedareasoftheworldaresusceptibletotheSEISMICRESTRAINTDESIGNdamagingeffectsofeitherearthqu

5、akesorwind.Restraintsthataredesignedtoresistonemaynotbeadequatetoresisttheother.MostseismicrequirementsadoptedbylocaljurisdictionsinConsequently,whenexposuretoeitherearthquakeorwindloadingNorthAmericaarebasedonmodelcodesdevelopedbytheInterna-isapossibility,strengthofequipmentandattachments

6、shouldbetionalConferenceofBuildingOfficials(ICBO),BuildingOfficialsevaluatedforbothconditions.andCodeAdministratorsInternational(BOCA),theSouthernBuildingCodeConference,Inc.(SBCCI),andtheNationalBuild-EarthquakedamagetoinadequatelyrestrainedHVAC&Requip-ingCodeofCanada(NBCC);orontherequirem

7、entsoftheNationalmentcanbeextensive.MechanicalequipmentthatisblownofftheEarthquakeHazardsReductionProgram(NEHRP).Themodelsupportstructurecanbecomeaprojectile,threateninglifeandprop-codebodiesareworkingthroughtheInternationalCodeCouncilerty.Thecostofproperlyres