Sheet: PrefaceSheet: CalculationSheet: BSheet: DetailsSheet: AllowStressSheet: DataSheet: DSheet: Rev History3-Leg Calculation for Vertical VesselsThis EXCEL Workbook covers three(3) Angle Type Support Legs for Vertical Vesselsaccording to JPI-7R-71-96.JPI = Japan Petroleum InstituteThe original JPI-7R-71-96 covers not only Angle Support Legs but also H-type Support Leg too, however, this EXCEL Worlbook covers Angle Support Leg only now.The calculation of the following Angle Support is available:L50x50x6L65x65x6L75x75x9L90x90x10L100x100x13L130x130X15L150x150x15L100x100x13L130x130x15When the Angle Size of L130 x 130 x 15 is not enough, the H-type Support is generally used.3-Leg Calculation4-Leg Calculation => Open Workbook "4-Leg Calculation" CALCULATION SHEET FOR 3-ANGULAR SUPPORT LEGS (By JPI-7R-71-96) Sheet 1 of 2 Client :TITAN PETROCHEMICALSJob Code:0-0300-05-401 Item No.:2V-432Date:19-Sep-97 Service:HYDROGEN DRUM NO.2Engr.:R.P.R. INPUT DATA Des. Press. (kg/cm?)=38.7Vessel I.D. (mm), Di=600.0 Des. Temp. (?C)=65.0TL-TL Length (mm), H=2125.0Oper. Wt. (kg), W=1700.0Ins. Thickness(mm), IT=240.0 Hor. Force (kg), Fh=300.0Vessel Thickness (mm), t=10.0 Moment (kg-mm),M=500000.0Pad Thickness (mm), t1=10.0B.C.D. (mm), Db=590.0Ht. of Pad C.L.(mm), L=1387.5Leg Length (mm), S=1200.0Sy of Leg, F (kg/mm?)=21.09Leg Material=A240 Gr.304S all. of Bolt, Fb (kg/mm?)=12.82Anchor Bolt Material=A307-BLeg Dimension: Code1.0=L50x50x6Weld Length(mm),Lw=110.0Bolt Type : Code2.0=Metric Bolt1 - Ansi Unify 2 - Metric Selected Leg is Not satisfactory.CALCULATION RESULTSSelected Leg is Not satisfactory.I. REACTION FORCE OF ONE LEGM : Whichever the greater moment by X1 =125.0 1. Tensile Load of Leg, Flt (kg) Wind or Earthquake X2 =140.0 2*M W Flt = ------ - ------------- - ----- =-73.15711724482213 3*D 3 2. Compression Load of Leg, Flc (kg) 2*M W Flc =----------- + ----- =1060.1762160885112 3*D 3Allowable StressJudgement 3. Tensile Stress of Leg, St (kg/mm?) Al =564.4mm St = Flt / Al =-0.12961927222682873

590.0mmRounded up to each 10 mm IVCalculationIu (max. I) =200000.0mm4Iv (min. I) =52400.0mm4IV=(2/3)(Iu-Iv) + Iv =150800.0mm4 S I Calculation I = Iv + 2 IV =354000.0mm4 ZV & ZvCalculationZV = IV / eV =3956.55634304171mm3Zv = Iv / ev =52400.0mm3Revision History of 4-Support Leg Calculation ProgramRev.0Developed by TIC for LOTUS 1-2-3Rev.1September 17, 1997, by T.Hirosawa (JGC) Converted to EXCEL Workbook Ver. 7.0 with the following updates: 3. Tensile Stress of Leg, St (kg/mm?)Allow.Stress : F(Yield Strength) x 0.375 => F(Yield Strength) 4. Compressive Stress of Leg, Sc (kg/mm?)Allow.Stress : F(Yield Strength) x 0.6 => See below[ 1 - 0.4 (l/L)?2] Fl?Lfc =nn = 3/2 +(l/L)?20.277 Fl>Lfc =l = lk / I(l/L)?2lk = 0.7 LI = radius of gyrationL =SQRT[ pai^2 E / (0.6 F) ] 5. Bending Stress of Leg, Sb (kg/mm?)Allow.Stress : F(Yield Strength) x 0.66 => F(Yield Strength) 6. Shear Stress of Leg, Ss (kg/mm?)Allow.Stress : Allow.Tensile Strength) x 0.8 => F/ SQRT(3)