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Scheepshydromechanica Archief
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I N T E R N A T I O N A L C O M M I T T E E
PROFESSOR C CHRYSSOSTOMIDIS Massachusetts Inslitute of Technology PROFESSOR T MOAN University of Trondheim PROFESSOR P PRATT Imperial College of Science Technology and Medicine PROFESSOR J WOLTERS Technical University of Delft
N A T I O N A L O R G A N I S I N G C O M M I T T E E
PROFESSOR P HOLMES Imperial College of Science Technology and Medicine PROFESSOR M H PATEL University College London PROFESSOR P PRATT Imperial College of Science Technology and Medicine PROFESSOR R EATOCK TAYLOR University of Oxford
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TECHNISCHE UNIVERSITEIT Laboratorium voor
Scheepshydromechanica
Archief
H^el<e!vveg 2, 2G23 C D Delft Tel.: 015 • 763373 - Fax: 016 - 781336
BEHAVIOUR OF OFFSHORE
STRUCTURES
PROCEEDINGS OF T H E SIXTH INTERNATIONAL C O N F E R E N C E
1 9 9 2
VOLUME ONE
EDITED BY
MINOO H P A T E L
AND
R O B E R T GIBBINS
BPP T E C H N I C A L S E R V I C E S L T D LONDON
5
Proceedings ofthe Sixth International Conference on the behaviour of offshore structures, 7 -at Imperial College of Science, Technology and Medicine, London.
10 M y 1992 held
Secretariat
2 Tavistock Place London W C 1 H 9 R A Tel No: 071-837-6362 Fax No: 071-837-0822
Behaviour of Offshore Structures . Copyright (c) 1992 by BPP Technical Services Ltd. All rights reserved. No part of this publicaüon may be reproduced, stored in a retrieval system or distributed in any form or by any means without the pnor wntten permission of the publisher.
Bri t i sh L i b r a r y catalogue - in - Publication Data. A catalogue record for this book is
available from the Brit ish L i b r a r y .
I S B N 1 874612 00 5 Volume 1. (pblc)
ISBN 1 874612 02 1 Set of 2 volumes, (pbk)
6
Printed by Vail Printers Limited
London
CONTENTS
Committee and Sponsors Preface
Volume 1
SESSION A l - P L E N A R Y
PROGRESS THROUGH EVOLUTION R.H Bond
SESSION A2 - E V A L U A T I O N O F PREDICTIONS BV N U M E R I C A L H Y D R O D Y N A M I C ANALYSIS
A COMPARATIVE STUDY ON COMPUTED MOTION RESPONSE FOR FLOATING PRODUCnON PLATFORMS: DISCUSSION OF PRACTICAL PROCEDURES KHerfjord and F.G Nielsen
LOW FREQUENCY VERTICAL FORCES ACTING ON A SUBMERGED BODY: A COMPARISON BETWEEN THEORY AND EXPERIMENTS L Boudel. R Coinle and B Molin
SENSmVITY OF WAVE LOADS TO THE DISCRETIZATION OF BODIES JJ^ Newman and C.-H Lee
SESSION A3 - S T R U C T U R A L R E L I A B I L I T Y ANALYSIS
RECENT JAPANESE RESEARCH ACnVITEES ON STRUCTURAL R E L L S l B D J T Y OF SHIPS AND OFFSHORE STRUCTURES
S Machida, H Itagaki, T Oishi and K Ishikawa 5 7
RELLaLBILFTY ANALYSIS SYSTEM FOR OFFSHORE STOUCTURES-RASOS
J.T Gierlinski 5 LARGE ADMISSIBLE PERTUBATIONS APPROACH TO RÉLL\BILrTY: GLOBAL FAILURE EOUATIO^S FOR ELASTICyPLASTIC MATERLVL BEHAVIOUR E Beyko, M.M Bernilsas 5
SESSION A4 - FOUNDATION AND I N S T A L L A T I O N E N G I N E E R I N G
INNOVATTVE FOUNDATION SYSTEMS SELECTED FOR THE SNORRE FIELD DEVELOPMENT II.P Christophersen, S Bysveen and OJ Stove
ANALYSIS OF EXACT INSTALLATION OF A GRAVITY BASED STRUCTURE T Vinje, T Marthinsen and J.M Holwech
FOUNDATION BEHAVIOUR OFTHE FRIGG CDPl PLATFORM S Lacasse, L Robber stad, P Boisard and K Ohm
7
SESSION AS • T H E O C E A N ENVIRONMENT
COMBINED EDDY CURRENT/HURRICANE DESIGN CRITERIA FOR DBEPWATER GULF OF MEXICO STRUCTURES
KJ Schaudt. M W Spillam. V J Cardone 109
LARGE-SCALE VORTICES IN THE OCEAN AND UPWELLING
GS Triantafyllou and AA Dimas 121
ONTHE KINEMATICS OF LARGE OCEAN WAVES
P.H Taylor 134
WIND-WAVE DMTERACnONS
CSwan 146
DIRECnONAL DESIGN WAVE COMPUTATION - AN EWESTIG ATION
SSBhatA.B.UNayak.VSamUaimwandM.CDeo 158
SESSION A6 - S T R U C T U R A L R E L I A B I L I T Y APPLICATIONS
AGHNG OFFSHORE STRUCTURES. A REVIEW OF UK AND US RESEARCH
J.V Sharp. WJ Supple and CE Smith S UNCERTAINTIES ASSOCIATED WITH STRUCTURAL DESIGN OF RING STIFFENED TUBULAR X)INTS N Tahan. N.W Nichob, J.V Sharp and S.YA Ma S
CHARACTERISATION OF THE RESIDUAL STRENGTH OF STRUCTURES WTTH APPUC ATION TO RELIABILTTY ASSESSMENT J Gierlinski and E Yarimer
ANALYSIS OF TURRET MOORED STORAGE VESSEL FOR THE ALBA FIELD JP Laures and W.C de Boom
WAVE CROSS-CURRENT INTERACHON ON THE DRIFT FORCES OF A MOORED TANKER RM.M Huijsmans
A DISCRETE ELEMENT METHOD ON A CHAIN TURRET TANKER EXPOSED TO SURVIVAL CONDmONS A Dercksen and J.E.W Wickers
THE STATIC AND DYNAMIC ANALYSIS OF MOORED VESSELS IN IRREGULAR SEAS A .K Brook
THE DESIGN WAVE CONDmONS FOR DETERMINING WAVE DRIFF FORCES ON MOORED SHIPS AND SEMI-SUBMERSIBLES NS Miller and P.M Wilson
171
EFFICIENT REUABIUTY BASED DESIGN OF RING AND STRINGER STIFFENED CYLINDERS UNDER COMBINED LOADS P.K Das, D Faulkner and RA Zimmer 180
STRUCTURAL INTEGRITY ASSESSMENT AND U F E EXTENSION OF PLATFORMS IN AUSTRALIA AND SOUTH EAST ASIA
S French. J Seeto and P.G Dominish ^
SESSION A7 - T U R R E T MOORED F L O A T I N G PRODUCTION S Y S T E M S
EXTREME MOTIONS AND ANCHOR LINE LOADS INTURRETMOORING SYSTEMS I Fylling. CT Stansberg and K Mo 1^'
211
225
238
251
265
8
S E S S I O N B I - P L E N A R Y
F L U I D IJOADING R E S E A R C H - F U T U R E D I R E C T I O N S
T Sarpkaya 283
S E S S I O N B2 - L O A D I N G & R E S P O N S E O F C Y L I N D E R S - 1
L O A D I N G A N D R E S P O N S E O F A C I R C U U V R C Y L I N D E R I N O S C I L L A T O R Y F L O W A T C R m C A L R E Y N O L D S N U M B E R S
J.R Chaplin and VUM.R Lakkoju S
M E A S U R E M E N T A N D P R E D I C T I O N O F R E S P O N S E O F C I R C U L A R C Y L I N D E R S I N O S C I L L A T I N G F L O W P. W Bearman, X.W Lin and P.R Mackwood 29 7
R E S P O N S E O F A C I R C U L A R C Y L I N D E R I N R E G U L A R A N D R A N D O M O S C I L L A T O R Y F L O W A T K C = 10 A Slaouti and P.K Stansby 3{)g
S E S S I O N B3 - C O M P A R I S O N O F D E S I G N P R E D I C T I O N S W I T H F U L L S C A L E F O R F I X E D S T R U C T U R E S
E X T R E M E S T O R M L O A D I N G O N F D C E D O F F S H O R E P L A T F O R M S
P.S Tromans. J.W van de Graaf, M.Efthymiou, L Vanderschuren and P H Taylor 325
D Y N A M I C B E H A V I O U R O F D R I L L I N G D E R R I C K O N S T E E L J A C K E T P L A T F O R M : C O M P A R I S O N B E T W E E N N U M E R I C A L A N D E X P E R I M E N T A L R E S U L T S V Gusella, O Spadaccini and A Vignoli 337
M E A S U R E D J A C K - U P R E S P O N S E A N D S P U D C A N - S E A F L O O R I N T E R A C T I O N F O R A N E X T R E M E S T O R M E V E N T
W.O McCarron and M.D Broussard ^49
S E S S I O N B4 - C O M P A R I S O N O F D E S I G N P R E D I C T I O N S W I T H F U L L S C A L E A N D M O D E L S C A L E T E S T S
T H E B E N E F I T S A N D D I F H C U L T E S I N M E A S U R I N G O F F S H O R E V E H I C L E B E H A V I O U R GJ Lyons, A.D Walkins and D.T Brown ^65
E X T R E M E O F F S E T S O F COMPLIANT S T R U C T U R E S : E X P E R I M E N T A L NUMERICAL A N D THEOREnCAL R E S U L T S
M Dogliani, F Galeazzi an MJ Sterndorff 37g
P R O B A B I U S T I C A N A L Y S I S A N D I N T E R P R E T A T I O N O F W A V E L O A D I N G A N D R E S P O N S E O F T H E C B T C O M P L L \ N T C Y L I N D E R U N D E R R A N D O M W A V E S R Burrows, R.G Tickell and D Homes
388
I N T E R P R E T A T I O N OF BUOY M E A S U R E M E N T S I N DIRECnONAL S E A S A.E Mynetl, J Bosma and JA Keuning
9
S E S S I O N BS - L O A D I N G A N D R E S P O N S E O F C Y L I N D E R S - n
M E A S U R E M E N T S O F T H E H Y D R O D Y N A M I C D A M P I N G O F C I R C U L A R C Y L I N D E R S
PW Bearman and PH Mackwood
O N W A V E FORCE A N A L Y S I S U S I N G SYSTTEM IDENTinCATION
K Worden. P.K Stansby. G.R Tomlinson and SA Biltings
W A V E L O A D I N G O N A P A I R O F H O R I Z O N T A L C Y L I N D E R S
E Lambert and A Jamo-Druaux
T H E E F F E C T S O F W A V E S A N D M E A N F L O W O N T H E H Y D R O D Y N A M I C F O R C E S O N C I R C U I J \ R
C Y L I N D E R S R.H Arkell. JMJt Graham and C.Y.-Zhou
H Y D R O E L A S T I C R E S P O N S E A N A L Y S E S O F F L E X I B L E O F F S H O R E S T R U C T U R E S
H Kagemoto and T Waseda
S E S S I O N B6 - C O M P A R I S O N O F D E S I G N P R A C T I C E W T T H F U L L S C A L E F O R F I X E D
S T R U C T U R E S A N D T L P S
SPECTRAL FATIGUE A N A L Y S I S THEORY V E R S U S PRACnCE NM Fairweather. P.K Gorf. R£ Corr. R.O Snell and DJ Loader
VALIDATION OF " N E W W A V E T H E O R Y A N D RDWF PREDICTIONS A G A I N S T MEASURED G L O B A L LOADING ON A NORTH SEA JACKET 7" Elzinga and PS Tromans
APPLICATION OF TENSION LEG PLATFORM PERFORMANCE DATA E.R Jefferys. JA Mercier. S.C Bultema and PJi Erb
MEASURED A N D PREDICTED DYNAMIC BEHAVIOUR OF TOE GULLFAKS C G R A V T T Y PLATFORM ƒ Langen, E Skomedal and O Skjastad
STRUCTURAL RESPONSE A N D FATIGUE A N A L Y S I S OF A MONITORED PLATFORM O Spadaccini and S Biagini
S E S S I O N B7 - F O U N D A T I O N A N A L Y S I S T E C H N I Q U E
FOUNDATION WAVE LOAD TRANSFER FOR PLATFORMS ON RIB FOUNDATIONS HJLuger and P Meijers
OFFSHORE SKIRT PENETRATIW IN CLAY IN TOE GEOCENTRIFUGE A.GJ Hjortnaes-Pedersen and A Berauijen
A N IMPROVED CALCULATION METHOD FOR CONDUCTOR SETnNG DEPTHS I N SAND GJM Schotman and B Hospers
T H E BEHAVIOUR O F DISPLACEMENT P I L E S IN G L A C L \ L T I L L BM Lehane and RJ Jardine
10
SESSION C l - P L E N A R Y
OFRSHORE STRUCTURAL REUABIUTY ASSESSMENT - FROM RESEARCH TO REAUTY7 G Edwards and JJi Vugts S
SESSION C2 - TENSION L E G P L A T F O R M DYNAMICS
NON-UNEAR HYDRODYNAMIC ANALYSIS OFTLPS IN EXTREME WAVES: SLENDER BODY AND DIFFRACnON THEORIES COMPARED R Eaiock Taylor, R.C.T Rainey and DM Dai 5 69
EXPERIMENTAL MEASUREMENT OF SBCONIW)RDER SUM-FREQUENCY OSCILLATIONS OF ATENSION-LEG PLATFORM T Matsui. Y Sakoh and T Nozu 584
COMPARATIVE EVALUATION OFTENSIONED L E G PIATFORMS WTTH REDUCED TETHER TENSION MMPaielandHIfark 599
SESSION C3 - S T R U C T U R A L I N S P E C T I O N
INSERVICE INSPECTION PLANNING FOR STEEL OFFSHORE STRUCTURES USEMG REUABIUTY METHODS
I Lotsberg and M J Mar ley 517
REUABIUTY BASED INSPECnON PLANNING
H Carstens, C Eilersen and H O Madsen S
A BAYESLW INSPECnON PROCEDURE APPUED TO OFFSHORE STEEL PLATFORMS
J J Jensen and PT Pedersen 529
ACFM INSPECTION OF OFFSHORE STRUCTURES
W.D Dover, JJi Rudlin. C Monahan and M Lugg 643
SESSION C4 - COMPARISON O F DESIGN PREDICTIONS W I T H F U L L S C A L E FOR FOUNDATIONS
CORRELATION OFTHE RESULTS FROM FIELD EXPERIMENTS WTTH D^STRUMENTED MODEL PILES DM LONDON CLAY AND LABORATORY RING SHEAR INTERFACETESTS T.E Tika-Vassilikos. AJ Bond and RJ Jardine 1 INSTRUMENTATION OFTHE SKIRT PILED GULLFAKS C GRAVTH' PLATTORM FOR PERKDRMANCE MONTTORING F Myrvoll ^.^^ INSTRUMENTATION FOR MONITORING THE INSTALLATION AND PERFORMANCE OF THE CONCRETE FOUNDATIWJTEMPLATES FOR THE SNORRETENSION LEG PLATFORM R Jonsrud and G Finnesand
690
OBSERVATIONS ON DRAINAGE CONTROL EFFECTS ON GULUAKS CGRAVTTY STRUCTURE Tor IngeTjeha.N Janbu and L Grande 704
11
Volume 2
THE DESIGN OFTHE INSTALLATION AND OFFSHORE COMPLEHON OF THE EKOFISK PROTECnVE
BARRIER HAJde Ridder
733
744
SESSION C9 • MATERIALS TECHNOLOGY
HIGH PERFORMANCE COMPOSITE TUBES FOR DEEPWATER RISERS C Sparks, P Odru, M Auberon amd G Metivaud '23
BUCKLING BEHAVIOUR OF COMPOSITE GFRP CYLINDRICAL PANELS UNDER AXIAL COMPRESSION M K Chryssaruhopoulos, K D Kim and P J Dowling
UNDERSTANDING BRITTLE SHEAR FAILURE IN CONCRETE OFFSHORE STRUCTURES J Blaauwendraad and Z Ping Wu
SESSION CS - VORTEX INDUCED VIBRATIONS
HYDRODYNAMICS OF LARGE AMPLTTUDE CABLE VIBRATIONS IN CURRENTS W.W Massie, JA Battjes, M.W Dijkman and VM Thumann '59
THE SIGNIHCANCE OF WATER DEPTH OF VORTEX INDUCED VIBRATIONS OF MARINE RISERS
J Fang and GJ Lyons
THE INTRODUCTION OF A SECOND PHASE AS A MEAN OF REDUCING VORTEX EDUCED VIBRATIONS
A Moros and C Swan
THE USE OF HELICAL STRAKES TO SUPPRESS VORTEX INDUCED VIBRATION GS Jones and WS Lamb
SHIELDING AND BLOCKAGE MODEL FOR OFFSHORE PLATFORMS K.F Lambrakos and H Beckmann
SESSION C6 - STRUCTURAL ANALYSIS AND FATIGUE OF FIXED PLATFORMS
DESIGN IMPUCATIONS FOR NEW DRAFT FATIGUE GUIDANCE FOR TUBULAR JOINTS: CASE STUDIES
R Nataraja, D Loader, J.V Sharp and N.W Nichols
A METHODOLOGY FOR THE ASSESSMENT OF FATIGUE CRACKS IN OFFSHORE JACKET STRUCTURES
/ Haswell and R Murray
LOAD FACTOR CALIBRATION FOR THE GULF OF GUINEA ADAPTATION OF API RP2A-LRFD
M Birades, C A Cornell and B Ledoigt
776
791
804
836
S
851
866
LIMIT STATE CODE CHECKING OF OFFSHORE CONCRETE STRUCTURES MJ Bailey. N.F.O Evbuomwan, NDJ' Barlirop and T.Hodgson
892
12
SESSION C7 - S H E L L T R O L L P L A T F O R M FOUNDATION ANALYSIS
SOIL PARAMETERS FOR FOUNDATION DESIGN, TROLL PLATFORM T By and E Skomedal
FOUNDATION DESIGN, TROLL PLATFORM
B Hansen, F Nowacki, E Skomedal and J Hermstad 921
CLAYBEHAVIOUR UNDER IRREGULAR C Y C U C LOADING
K.H Andersen, R Dyvik, Y Kikuchi and E Skomedal 937
EFFECTIVE STRESS CONCEPT FOR DYNAMIC STIFFNESS OF CLAY
G Svano, H Lango. C Madshus and E Skomedal 95 j
EXTREME DYNAMIC RESPONSEOFTHETROLLGRAVTTYPLATFORM
D Karunakaran. BJLeira, O Skjastad and E Skomedal 959 SESSION C8 - J A C K - UP DESIGN ANALYSIS
JACK-UP SPUDCAN SUDING/BEARING RESISTANCE ON SAND E.C Hambly
ELEVATED JACK-UP MODEUNÜ
PLiu, W.W Massie, J.G Wolters and J Blaauwendraad jqO]
P I S T T O R J S " ^ ' ^ ^ ^ ' ^ ^ ^ ^ ^ ^ ^ ^ ^̂ ^̂ D Karunakaran, BJLeira, N.Spidsoe. O.TGudmestad and T Moan 1015
SESSION DI - P L E N A R Y
mSTORICALOVERVlEW OF GEOTECHNICAL DESIGN IN THE NORTH SEA Tor Inge Tjelta ^^^^
GEOTECHNICAL DESIGN AND ENGINEERING FOR THE 90'S F.E. Toolan
S
SESSION D2 - L O W F R E Q U E N C Y DAMPING
WAVE DRIFT DAMPING OF A TURRET MOORED SHIP
V Aanesland, K.E Kaasen and J.R Krokstad j ̂ ^ j
LgmiEQUENCY DAMPING P R E D I C ^ ^ ^
G£ Hearn and P Goodwin 1066
OSïi?lL°S!ïSSS^''''^°'''''^'^'^™^^ A Nestegird and T Vada
1082
13
SESSION D3 - DYNAMIC RESPONSE O F F L O A T I N G S T R U C T U R E S
EXPERIMENTAL AND THEOREnCAL INVESTIGATION INTO THE ROLL DAMPING OF A SYSTEMATIC SERIES OFTWO DIMENSIONAL BARGE SECTIONS R.G Standing . G.E Jackson andAK Brook
D4FLUENCE OF LOAD MOTION CONTROL ON THE OPERATIONAL UMITATIONS OF l A R G E CRANE VESSELS IN SEVERE ENVIRCM>nvIENT G.F Clauss and T Riekert
DYNAMIC RESPONSE OF A MULTI HINGE ARTICULATED TOWER COUPLEDTO A SHIP T.K Thomas and C Ganapalhy
SESSION D4 - S A F E T Y ISSUES
1112
1126
STRUCTURAL CONSEQUENCE ANALYSIS FOR QRA G Home and D Harrison
MANAGING RISK ASSESSMENT FOR THE TIFFANY PLATFORM STRUCTURE J Kennedy, P Linzi, P Dennis
BLAST RESISTANT RETROFTT OF AN OFFSHORE MODULE: AN OVERVIEW JA Alexander and JA Jones
1143
S E S S I O N DS - W A V E D R I F T B E H A V I O U R
W A V E D R I F T F O R C E S I N S H A L L O W W A T E R j ^ ^ ^
JA Pinkster and RJiM Huijsmans
SLOWLY VARYING DRIFT FORCES I N DIRECnONAL WAVES ^^^^
YInoueandW.YXue
L O N G D U R A T I O N M O D E L T E S T S F O R L O W F R E Q U E N C Y B E H A V I O U R O F F L O A T I N G O F F S H O R E
S T R O C T U R E S I N L O N G A N D S H O R T C R E S T E D W A V E S ^ ^ ^ ^
MJ Sterndorff and J Skourup
M O D E L S C A L E E X P E R I M E N T S O N E X T R E M E S L O W D R I F T M O T I O N S DM I R R E G U L A R W A V E S
CT Stansberg
T H E S L O W D R I F T R E S P O N S E O F M U L T I L E G S T R U C T U R E S I N I R R E G U L A R A N D R A N D O M W A V E S
PD Sclavounos arui OJ Emmerhoff
M E A N Y A W M O M E N T O N F L O A T I N G B O D I E S A D V A N C I N G W T T H A F O R W A R D S P E E D DM W A V E S
J Grue and E Palm
1207
1223
1238
SESSION D6 - HYDRODYNAMICS AND S T R U C T U R A L M E C H A N I C S O F F L E X I B L E PIPES
DESIGN METHODS FOR FLEXIBLE RISERS J253 CJA Larsen, BJ Leira, A Olufsen and N Sfidahl
LOOP FORMATION OF MARINE CABLES AND UMBIUCALS DURDJG mST ALLATTON ^^^^
Z Tan and J A Witz
DAMPDMG AND HYSTERESIS EFFECTS ON THE BEHAVIOUR OF FLEXIBLE RISERS ^
G de Boer and HJ van den Boom
A STUDY OF THE BEHAVIOUR OF A LONG AND FLEXIBLE PIPE Dl THE WATER ^
M Ohkusu
14
SESSION D7 - L I Q U I F I C A T I O N AND SCOUR
PULL-OUT CAPACITY ANALYSES OF SUCnON ANCHORS FOR TENSION LEG PLATFORMS KM Andersen, R Dyvik and K Schroder
BAYESLW UPDATING OF SETTLEMENT PREDICTION AH Tan and FNadim
UQUfflCATION OFTRENCH FILL AROUND A PIPELINE IN THE SEABED M.B de Groot and P Meijers
LOCAL SCOUR NEAR SUBMARINE PIPELINES ON A COHESIVE BCmDM ETJM Pluim - van der Velden, E W Bijker
EFFECT OF C Y C U C PRESTRAINING ON THE UQUIHCATION OF SAND S Teachavorasinskun, F Tatsuoka, K Kenkyo and K Yasuhara
* S signifies paper contained in supplementary volume