Proceedings of the 8th International Conference on the Behaviour of Offshore Structures, BOSS 1997, Delft University of Technology, The Netherlands, Pergamon Press, Volume 1: Invited Papers, Geotechnics, Miscellaneous, ISBN: 0-08-042831-2 (summary)

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Eighth International

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I n v i t e d P a p e r s ,

Geotechnics, Miscellaneous.

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BOSS '97

B E H A V I O U R O F O F F S H O R E S T R U C T U R E S

Volume 1

Invited Papers

Geotechnics

Miscellaneous

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BOSS '91

BEHAVIOUR OF OFFSHORE STRUCTURES

Volume 1

Invited Papers

Geotechnics

Miscellaneous

Edited hy

J. H . Vugts

Delft University of Technology

Aula Congress Centre o f the Delft University o f Technology

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First edition 1997

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T A B L E OF CONTENTS

Invited papers

Significanl Developments in Offsiiore Geosciences

H J K o l k , Fugro Engineers B.V., The Netherlands and K J Campbell, Fugro-McClelland Marine

Geosciences Inc., USA 3

Engineering Challenges of EI<ofislc. The Firsl North Sea Oil Field

P Broughton, Phillips Petroleum Company, Norway 41

Geotechnics: Liquefaction and Drainage, Pile Design

The Cyclic Liquefaction Potential of a Submerged Coheslonless Sand Bed: A Practical Method

F B J Barends, Delft Geotechnics and Delft University of Technology and P A Ruygrok, Delft

Geotechnics, The Netherlands _ 71

Effecl of Drainage with Preshearing on Undrained Cyclic Shear Behaviour of Dense Sand

K Sato, Fukuoka University, K Yasuhara, Ibaraki University and N Yoshida, Fukuoka

University, Japan 85

Liquefaction Around Buried Pipe Lines

A Verruijt, Delft University o f Technology, V M P J de Bruijn, Hollandse Aannemings

Maatschappij, The Netherlands and B Muralidhar, Central Water and Power Research

Station, India 99

Applying lite New Imperial College Pile Design Methods to Large Open-Ended Piles in Clay and Sand

F C Chow, Geotechnical Consulting Group and R J Jardine, Imperial College, U K 109

Geotechnics: Anchors and Bucket Foundations

The Capacity of Deep Embedded Anchors

I F de Graaf, A Verruijt, Delft University o f Technology and G Degenkamp, V r i j h o f

Ankers B.V.,The Netherlands 125

Geotechnical Design and Installation Behaviour of Suction Anchor Piles—Comparison with Drag Ancliors

J-L Colliat, P Boisard, E L F Aquitaine Production, France, J-C Gramet, S B M , Monaco and P

Sparrevik, N G I , Norway 133

Analyses of Skirted Foundalions and Anchors in Sand Subjected lo Cyclic Loading

H P Jostad, K H Andersen, Norwegian Geotechnical Institute and T I Tjelta, Statoil, Norway.... 149

Soil-Structure interaction of llie Draupner E Bucliet Foundation During Storm Conditions

G Svano, G Eiksund, A K a v l i , H Lango, D Karunakaran, S I N T E F and T I Tjelta, Statoil,

Norway 163

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vi _{C o n t e n t s}

Geotechnics: Pipeline Cover, Settlement, Spud Cans

Pipeline Rock Co\er Damage Assessment

P Lomonaco, University o f C a n t a b r i a , Spain and W H O Klomp, Delft Hydraulics, The

Netherlands 179

Stability of Pipeline Covers Under Waves and Currents

M Levit. Delft University of Technology, M R A van Gent. Delft Hydraulics and W W Massie,

Delft University of Technology. The Netherlands 195

Wave-Iiuluced Residual Sctllcmenls in Soft Seabed Soils

K Yasuhara. S Murakami, Ibaraki University and N Toyota, Tokyo Electrical Power

Company L t d , Japan 211

Centrifuge Tests on tlie Influence of Shape on the Sliding Beliaviour of Spudcans

H G B Allcrsma. Delft University of Technology, The Netherlands. 225

Geotechnics: Foundations on Calcareous Soils

Drivabiliiy Prediclions for Closed-Ended Pipe Piles in Calcareous Sandy Soils—Class "A" Predictions

G P Bernardes, UNESP. and A C M Kormann. Federal University of Parana Curitiba. Brazil.... 237 Load Transfer Curves for Piles hi Calcareous Sand

G J Dyson and M F Randolph, The University o f Western Australia. Australia 245 A Yield Envelope Design Approach f or Caisson Foundations in Culcaretnis Sediments

P G Watson and M F Randolph. The University o f Western Australia, Australia 259

Miscellaneous: Pipelines

On the Design of Integral Buckle Arrestors for Offshore Pipelines

S Kyriakides. T D Park and T A Netto, The University of Texas at Austin. USA 277

On the Buckling Behaviour of Pipe Bundles u ith High Temperature Flows

M Dixon, Subsea and Pipeline Engineering Ltd. B Herd. Britannia Operator L t d . M H Patel, O J Pearson. University College London. U K and M A Vaz, Federal University o f

Rio de Janeiro, Brazil 291

Tlirec-Dlnienslonal Transient Lay Analysis for Offshore Applications

M A Vaz. Universidade Federal do Rio de Janeiro and W T Pinto, Fundafao Universidade

do Rio Grande. Brazil 305

A Uniform Approach lo Pipeline Third Parly Risk Analysis

HeereMac, M de Jonge, W Massie and P L i u . I N T E C Engineering Delft University o f

Technology. The Netheriands 315

Miscellaneous

On the Influence of Vessel Motions on Shallow Water Subsea Umbilical Installation

W T Pinto. Fundacao Universidade do Rio Grande. Brazil and JA Witz, University College

London. U K 333

Deep-Walcr Metallic Riser Design: A Rcliabiliiv Approach

B J Leira, Sintef, R Torhaug. N Sodahl, Det Norske Veritas and R H K i r k v i k , SeaFlex,

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Contents v i i

Remedial Measure of Buel<led Offshore Pile

S Dasgupta, Hyundai Heavy Industries Co. L t d . , South Korea 357

RisI; Managemenl: A Case Sludy

M Visser. Nederlandse Aardolie Maatschappij, The Netherlands 373

Keyword Index