anchorblock sizing

Petrochemical Engineering Consultants AnchorBlockCalc ANCHOR BLOCK SIZING DOC. NO. 2327-DC-001 PROJECT: RETI-MARU NATURAL GAS PIPELINE DIA. 10" OWNER ENGRO FERTILIZERS LTD. PREP. BY SHOAIB REV. 0 DATE 2/8/2013 INPUT DATA : PIPELINE DESIGN CODE (ASME B ) = 31.8 PIPE O.D = 10.75 in. PIPE WALL THICKNESS. = 0.219 in. MAX. OPERATING TEMPERATURE = 167 Deg. F TIE-IN TEMPERATURE 77 Deg. F MAX. OPERATING PRESSURE = 715 Psig MODULUS OF ELASTICITY = 29000000 Psi COEFFICIENT OF EXPANSION = 0.0000065in./in./ F FRICTION FACTOR B/W PIPE & SOIL = 0.3 (SILT=.3,SAND=.4,GR SOIL DENSITY = 90 lb/ft3 1442.308 DEPTH OF BURIAL = 3.28 ft SP.GRAVITY OF FLUID. = 0.788 WEIGHT OF PIPE = 24.647 lb/ft CORROSION ALL0WANCE = 0.059 in. CONCRETE DENSITY = 150 lb/ft3 2403.846 FRICTION FACTOR B/W CONCRETE & SOIL = 0.5 ANGLE OF INTERNAL FRICTION OF SOIL = 25 Deg. CALCULATION : CROSS-SEC. AREA = 7 in^2 WT. OF PIPE + CONTENTS = 38 lb/ft HOOP STRESS = 24020 Psi FRICTION FORCE = 170 lbs/ft EXPANSION FORCE = 157725 lbs LENGTH OF PIPE FROM POINT OF BURIAL TO POINT OF NO MOVEMENT (CALC.) = 928 ft 282.797 TOTAL MOVEMENT OF PIPELINE AT ABOVE GROUND END = 4.178 in. LOCATION OF ANCHOR BLOCK FROM POINT OF BURIAL , L = 20 ft 6.098 (THUMB RULE L=20D) MOVEMENT OF PIPELINE AT ABOVE GROUND END. = 0.090 in. ANCHOR FORCE , Fac = 154324 lbs MOVEMENT OF PIPELINE, IF ANCHOR BLOCK IS PLACED BETWEEN POINT OF NO MOVEMENT BURIAL.

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Sizing of anchor block

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Mehar #3ANCHOR BLOCK SIZING

DOC. NO.2327-DC-001PROJECT: RETI-MARU NATURAL GAS PIPELINE DIA. 10"OWNERENGRO FERTILIZERS LTD.PREP. BYSHOAIBREV.0DATE2/8/13

INPUT DATA :PIPELINE DESIGN CODE (ASME B )=31.8PIPE O.D=10.75in.PIPE WALL THICKNESS.=0.219in.MAX. OPERATING TEMPERATURE=167Deg. FTIE-IN TEMPERATURE 77Deg. FMAX. OPERATING PRESSURE=715PsigMODULUS OF ELASTICITY=29000000PsiCOEFFICIENT OF EXPANSION=0.0000065in./in./ FFRICTION FACTOR B/W PIPE & SOIL=0.3 (SILT=.3,SAND=.4,GRAVEL=.5)SOIL DENSITY=90lb/ft31442.308Kg/m3DEPTH OF BURIAL=3.28ftSP.GRAVITY OF FLUID.=0.788WEIGHT OF PIPE=24.647lb/ftCORROSION ALL0WANCE=0.059in.CONCRETE DENSITY=150lb/ft32403.846Kg/m3FRICTION FACTOR B/W CONCRETE & SOIL=0.5ANGLE OF INTERNAL FRICTION OF SOIL=25Deg.

CALCULATION :CROSS-SEC. AREA=7in^2WT. OF PIPE + CONTENTS=38lb/ft37.90053.165HOOP STRESS=24020PsiFRICTION FORCE=170lbs/ftEXPANSION FORCE=157725lbsLENGTH OF PIPE FROM POINT OF BURIALTO POINT OF NO MOVEMENT (CALC.)=928ft282.797m

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