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Issue03.95LINDEAGWerksgruppeVerfahrens-technikundAnlagenbauHöllriegelskreuthbeiMünchenBracketSupportsforVerticalPiping,Non-InsulatedandHeat-InsulatedAllowableLoadsLINDESTANDARD544-50Part2Orig.:TAN/EbersChecked:TKKAppr.:TANTotal1Page1CalculationBasisThestresscalculationforthepipingsupportsaccordingtoLS544andLS545containsthestaticalanalysisoftheallowablesingleforcesandmoments(foranchorsupports).Astotheirinfluence,theforcesandmomentsareconsideredindependentlyfromeachother,meaningthate.g.theinfluenceofanexistingforcecomponentontheallowablevalueofanotherforceormomentcomponentwillnotbeconsidered.Consequently,nointeractionrelationforcombinedloadsisgiven.Aconservativeestimationisgivenwith≤1,0forthesumoftheindividualrateofutilization:⎪Fx/Fxzul⎪+⎪Fy/Fyzul⎪+⎪Fz/Fzzul⎪+⎪Mx/Mxzul⎪+⎪My/Myzul⎪+⎪Mz/Mzzul⎪≤1,02DatagivenintheTablesTable1showstheadmissibleindividualloads.TheforcesFx,FyandFzmaybeinterpolatedforinterpasstemperatures.ThedirectionoftheforcesFx,FyandFzisshowninthefiguresofPart1.ThevaluesforFx,FyandFzareresultingfromtheconstructionofthebracketsupport.ConcerningtheforcesFxandFytheymaynotbeautomaticallytransferredtothesupportingstructure.IftherearenodefinedvaluesexistingthesmallervaluefromthevaluegiveninthetablemaybeassumedononehandandthevaluecalculatedfromFz*μ(frictionfactor,normally0,3)ontheotherhand(bytakingasbasisthatthedisplacementofthebracketsupportonthesupportingstructureisnotavoided).Table1:AllowableLoadsforMaterialGroups1to4DNAllowableLoadforTypeA,BandCacc.toLS544-50Part1BoltingTorquePipeClampWG1to4upto50°CWG1at300°CWG2at400°CWG3at550°CWG4at450°CallWGsallTemps.Fx±Fy±Fz±Fx±Fy±Fz±Fx±Fy±Fz±Fx±Fy±Fz±Fx±Fy±Fz±MtkNkNkNkNkNkNkNkNkNkNkNkNkNkNkNNm803607,59,51903,94,91703,44,42304,74,819041,71910048013162506,58,22205,87,33007,97,82606,72,8381507202822370151133013104501811380153,849200100014037810711972063179808018830536,610025010001204397063228705620100070211000497,6120300100012645100065239605821100072221000497,91204001000210811000110421000963710001204010008314270500100021087100011045100095401000120431000801528060010001609110008447100074421000924510006216290Revision:-Replaces:-Copyrightreserved.