RFSSP13013CALST001 LIFTING ANALYSIS FOR COOL WATER SKID Rev0 716.docx

RFSSP13013CALST001 LIFTING ANALYSIS FOR COOL WATER SKID Rev0 716.docx

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RFSSP13013CALST001LIFTINGANALYSISFORCOOLWATERSKIDRev0716

LIFTINGANALYSISFORCOOLWATERSKID

DISCIPLINE：

STRUCTURE

PAGE1of21

COSIGNDISCIP.

ST

OU

EL

IN

MA

PI

PR

GE

SA

SIGN

0

2013-7-16

ISSUEDFORAPPROVAL

Rev.

Date

Description

PreparedBy

CheckedBy

ReviewedBy

ApprovedBy

THISDOCUMENTCONTAINSCONFIDENTIALPROPRIETARYINFORMATIONANDMAYNOTBETRANSFERRED,REPRODUCED,ORUSEDTOCONSTRUCTANYPROJECTWITHOUTTHEEXPRESSAUTHORITYOFRICHFORM.

水冷却系统制作

RFJobNo.

DocumentNo.

Rev.

RFS-SP-13-013

CONTENTS

1.INTRODUCTION3

2.CODEANDSTANDARD3

3.ANALYSISPROGRAM3

4.StructureModel3

5.LoadAndLoadCombination6

5.1.BasicLoad6

5.2.LoadCombination7

6.AnalysisResults7

6.1.InternalLoads（Factors）7

6.2.Deflection8

6.3.NominalStressCheck9

7.Conclusion9

APPENDIXA:

COOLWATERskidPADEYECALCULATION10

APPENDIXB:

LIFTINGFRAMEUPPERPADEYECALCULATION14

APPENDIXC:

LIFTINGFRAMELOWERPADEYECALCULATION18

1.

INTRODUCTION

Thereportsummarizestheresultofliftinganalysisforcoolwaterskid.Inthereport,structuralskidweightis1.3t,andvesselsandpiping’sweightis2.5t（maximumdisassembledweight）.Padeyecheckofskidandliftingframe,pleaseseeAppendixA,B&Cfordetails.

2.CODEANDSTANDARD

Theanalysiswillbeperformedwithreferencetothefollowingcodeandstandards:

a）API-RP-2A:

AmericanPetroleumInstituterecommendedpracticeforplanning,designingandconstructingfixedoffshoreplatforms-WSD.

b）AISC:

ManualofSteelConstruction,AllowableStressDesign

3.ANALYSISPROGRAM

StructureAnalysisComputerSystem（SACS）programhasbeenusedinstructuralglobalanalysis,memberstresscheck.ItismadebyEngineeringDynamicInc.ofU.S.A.

4.StructureModel

Theliftinganalysiscomputermodeloftheskidisthree-dimensionalframe,fourslings.ThedetailcomputermodelinSACSprogramisshowninFig.1–Fig.3.Thepropertiesofmembergroupandsectionaresummarizedasbelow.

AMOD

AMOD2001.330

SECT

SECTI20AWF10.001.14020.000.7000.90

GRUP

GRUP12712.7000.80020.008.0023.5011.001.000.50N7.849

GRUPI20I20A20.008.0023.5011.001.00N7.849

GRUPSL5.2002.59020.008.0023.5011.001.000.50N7.849

Fig.1StructureSACS3DModel

Fig.2StructureSACSModel（MemberGroup）

Fig.3StructureSACSModel（JointNumber）

5.LoadAndLoadCombination

5.1.BasicLoad

Basicloadincludestructuredeadloadandcoolwatertanksandpiping’sweight.

Thedeadloadiscalculatedbycomputerprogram.coolwatertanksandpiping’sweightaddedtothecomputermodelasdistributedmemberloads.

Loadcase

Loaddescription

DEAD

Structuredeadload

EQ

Tanksandpiping’sweight

******SEASTATEBASICLOADCASESUMMARY******

RELATIVETOMUDLINEELEVATION

LOADLOADFXFYFZMXMYMZDEADLOADBUOYANCY

CASELABEL

（KN）（KN）（KN）（KN-M）（KN-M）（KN-M）（KN）（KN）

1EQ0.0000.000-26.846-27.59735.7930.0000.0000.000

2DEAD0.0000.000-17.476-17.03130.5390.00017.8500.374

5.2.LoadCombination

Theuncertainfactorof1.05isconsideredforDEADandEQ,thedynamicloadfactor1.35and2.00areconsidered.

Forliftstobemadeatopen,exposedsea（i.e.,offshorelocations）,padeyesandotherinternalmembers（andbothendconnections）framingintothejointwherethepadeyeisattachedandtransmittingliftingforceswithinthestructureisdesignedforloadfactorof2.0appliedtothecalculatedstaticloads.Allotherstructuralmemberstransmittingliftingforcesaredesignedusingloadfactorof1.35.

Theloadcombinationisshowninthefollowingtable.

Loadcase

Loaddescription

100

（DEAD+EQ）x1.05

135

100x1.35

200

100x2.00

Allowablestressincrease1.33for“loadcase200”isconsidered.

*****SEASTATECOMBINEDLOADCASESUMMARY*****

RELATIVETOMUDLINEELEVATION

LOADLOADFXFYFZMXMYMZ

CASELABEL

（KN）（KN）（KN）（KN-M）（KN-M）（KN-M）

31000.0000.000-46.537-46.85969.6490.000

41350.0000.000-62.825-63.25994.0260.000

52000.0000.000-93.074-93.717139.2980.000

6.AnalysisResults

6.1.InternalLoads（Factors）

FromSACSresults,theinternalloadsareshownasbelow.

SACS-IVSYSTEMMEMBERFORCESANDMOMENTS

********************KN****************************************KN-M********************

MEMBERMEMBERGROUPLOADFORCE（X）FORCE（Y）FORCE（Z）MOMENT（X）MOMENT（Y）MOMENT（Z）

NUMBERENDIDCASE

T-1TSL1008.92-0.01-0.170.000.290.01

13512.04-0.01-0.230.000.390.02

20017.84-0.01-0.330.010.580.02

11008.32-0.01-0.170.00-0.30-0.01

13511.23-0.01-0.230.00-0.40-0.02

20016.64-0.01-0.330.01-0.59-0.03

U-FUSL10011.200.000.160.00-0.260.00

13515.120.000.210.00-0.350.00

20022.410.000.310.01-0.520.00

F10010.600.000.140.000.26-0.01

13514.310.000.190.000.35-0.01

20021.210.000.280.010.51-0.02

V-IVSL1009.190.060.130.00-0.22-0.11

13512.410.080.180.00-0.29-0.14

20018.390.120.260.01-0.43-0.21

I1008.590.060.110.000.210.10

13511.600.080.150.000.280.14

20017.180.120.230.010.420.21

W-4WSL10010.20-0.05-0.150.000.250.10

13513.77-0.07-0.200.000.340.13

20020.40-0.11-0.300.010.510.20

41009.60-0.05-0.150.00-0.26-0.09

13512.96-0.07-0.200.00-0.36-0.12

20019.20-0.11-0.300.01-0.53-0.18

X-TXSL10011.33-0.010.160.00-0.190.05

13515.29-0.020.220.00-0.260.07

20022.65-0.020.320.00-0.380.10

T10010.23-0.01-0.150.00-0.15-0.03

13513.80-0.02-0.200.00-0.21-0.04

20020.45-0.02-0.300.00-0.30-0.06

X-UXSL10013.100.000.170.00-0.230.01

13517.680.000.230.00-0.310.01

20026.200.000.340.00-0.460.02

U10012.000.00-0.140.00-0.130.00

13516.200.00-0.190.00-0.18-0.01

20024.000.00-0.280.00-0.26-0.01

6.2.Deflection

Deflectionofliftingisshownasbelow.

*****************MAXIMUMJOINTDEFLECTIONREPORT*****************

LOAD***X-DIRECTION******Y-DIRECTION******Z-DIRECTION***

CASEJOINTDEFLECTIONJOINTDEFLECTIONJOINTDEFLECTION

CMCMCM

100F0.6151U-0.5460F-0.2477

135F0.8304U-0.7371F-0.3345

200F1.2302U-1.0919F-0.4955

6.3.NominalStressCheck

ThenominalstresscheckofthecoolwaterskidisperformedbyusingAPI-RP-2A.Theresultsofnominalstresscheckindicatedthattheunitycheckvaluesforallmembersdon’texceed1.0inloadcase135and200.Therefornomemberintheliftinganalysisexceedstheallowablestress.Thesummaryoftheunitycheckisshownasbelow.

***MEMBERGROUPSUMMARY***

APIRP2A21ST/AISC9TH

MAX.DISTEFFECTIVECM

GRUPCRITICALLOADUNITYFROM*APPLIEDSTRESSES****ALLOWABLESTRESSES***CRITLENGTHS*VALUES*

IDMEMBERCONDCHECKENDAXIALBEND-YBEND-ZAXIALEULERBEND-YBEND-ZCONDKLYKLZYZ

MN/MM2N/MM2N/MM2N/MM2N/MM2N/MM2N/MM2MM

127T-W2000.071.5-1.768.69-0.03107.00196.86176.25176.25C<.153.03.00.850.85

I20H-I2000.220.04.4025.720.32141.00305.80141.00176.25TN+BN1.31.30.850.85

SLT-12000.303.57.84-42.93-1.83141.0014.21176.25176.25TN+BN3.53.50.850.85

7.Conclusion

Basedontheupperwords,wewillgetthefollowingconclusion:

Theliftingofthecoolwaterskidissafe.

APPENDIXA:

COOLWATERskidPADEYECALCULATION

APPENDIXB:

LIFTINGFRAMEUPPERPADEYECALCULATION

APPENDIXC:

LIFTINGFRAMELOWERPADEYECALCULATION