Lecture Notes in Civil Engineering

Volume 18

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M. F. Randolph • Dinh Hong DoanAnh Minh Tang • Man BuiVan Nguyen DinhEditors

Proceedings of the 1stVietnam Symposiumon Advances in OffshoreEngineeringEnergy and Geotechnics

123

EditorsM. F. RandolphCentre for Offshore Foundation SystemsUniversity of Western AustraliaPerth, WAAustralia

Dinh Hong DoanSubsea7SuresnesFrance

Anh Minh TangLaboratoire NavierEcole des Ponts ParisTechMarne-La-ValleeFrance

Man BuiGeotechnical Testing ConsultantsDubaiUAE

Van Nguyen DinhCentre for Marine and Renewable EnergyIreland

University College CorkRingaskiddy, CorkIreland

ISSN 2366-2557 ISSN 2366-2565 (electronic)Lecture Notes in Civil EngineeringISBN 978-981-13-2305-8 ISBN 978-981-13-2306-5 (eBook)https://doi.org/10.1007/978-981-13-2306-5

Library of Congress Control Number: 2018952246

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Preface

The Association of Vietnamese Scientists and Experts (AVSE Global) have plan-ned to organise the Vietnam Symposium on Advances in Offshore Engineering(VSOE) every two years in collaboration with universities, research institutions andindustrial partners worldwide and in Vietnam.

The first symposium, VSOE2018, was held in Hanoi, Vietnam, from 1 to 3November 2018 and was co-organised by the National University of CivilEngineering under the auspices of two specialist Technical Committees TC-308 andTC-209 of the International Society for Soil Mechanics and GeotechnicalEngineering (ISSMGE). The symposium focused on “Energy and Geotechnics” inrecognition of the important role that geotechnical engineering holds within theoffshore renewable energy and oil and gas industries. The symposium also coveredbroader topics that are relate specifically to the development of offshore renewableenergy industry as well as the transition away from the offshore oil and gasindustry.

VSOE2018 was held with the objective of creating a platform where policy-makers, practitioners and entrepreneurs could promote policy changes that supportthe development of renewable energy in Vietnam as well as to generate businessopportunities within the energy sector.

In response to our invitation, we received a tremendous amount of support froma large and diverse group of participants from around the world. More than 160abstracts were submitted in the first step, and 120 full papers were submitted in thesecond step. Despite our rigorous review process in which each paper was reviewedby at least two relevant experts, over 86 papers were accepted and are compiled inthis volume.

We would like to acknowledge the wonderful support of the scientific committeeand the invited experts, who have all spent their valuable time and made atremendous contribution in reviewing the papers.

We believe that the symposium proceedings will provide readers with valuableup to date knowledge from experts on a broad range of topics that include offshoreengineering and technology innovations, cost-effective and safer foundation and

v

structural solutions, environmental protection, hazards, vulnerability and riskmanagement.

M. F. RandolphAnh Minh Tang

Hong DoanVan Nguyen Dinh

Man Bui

vi Preface

Organisation

Organising Committee

Chairmen

Dinh Hong Doan Subsea 7, FranceQuang Minh Phan National University of Civil Engineering,

Vietnam

Members

Man Bui GTC Soil Analysis Services, UAEHong Hanh Dang Institute of Physico-Chemical Biology, FranceTuan Anh Do Sorbonne University, FranceVan Nguyen Dinh University College Cork, IrelandDat Vu Khoa Huynh Norwegian Geotechnical Institute, NorwayThi Xiu Le Ecole des Ponts ParisTech, FranceVan Nhat Le GCMM & EGIS, FranceAnh Minh Nguyen Offshore Design Engineering (ODE), UKDuy Binh Nguyen AVSE Global, FranceTien Dung Nguyen Vietnam Japan University, VietnamTien Dung Nguyen National University of Civil Engineering,

VietnamAnh Minh Tang Ecole des Ponts ParisTech, FranceXuan Nghiem Tran Seoul National University, South Korea

vii

International Scientific Committee

Chairmen

Mark Randolph University of Western Australia, AustraliaKhac Hung Pham National University of Civil Engineering,

Vietnam

Members

Charalampos Baniotopoulos Birmingham University, UKBiswajit Basu Trinity College Dublin, IrelandLaurie Boswell City, University of London, UKRonald Brinkgreve Delft University of Technology & Plaxis,

NetherlandsVan Dao Bui Asian Institute of Technology, ThailandMan Bui GTC Soil Analysis Services, UAEMark Cassidy University of Western Australia, AustraliaDavid Cathie Cathie Associates, BelgiumYoo Sang Choo National University of Singapore, SingaporeChris Clayton University of Southampton, UKJean-Louis Colliat Total, FranceFrédéric Collin Université de Liège, BelgiumVan Tuan Dao Vietnam Maritime University, VietnamDon J. Degroot University of Massachusetts Amherst, USAPierre Delage Ecole des Ponts ParisTech, FranceVan Nguyen Dinh University College Cork, IrelandQuang Cuong Dinh National University of Civil Engineering,

VietnamVan Toan Du Vietnam Institute of Seas and Islands, VietnamChang Shin Gue NGI-G&P Sdn Bhd, MalaysiaDat Vu Khoa Huynh Norwegian Geotechnical Institute, NorwayRichard Jardine Imperial College, UKPhilippe Jeanjean BP America Inc., USASung Ryul Kim Seoul National University, South KoreaJens Peter Kofoed Aalborg University, DenmarkThiet Trung Le National University of Civil Engineering,

VietnamTom Lunne Norwegian Geotechnical Institute, NorwayEamon Mckeogh University College Cork, IrelandJimmy Murphy University College Cork, IrelandBao Viet Nguyen National University of Civil Engineering,

VietnamGiang Nguyen University of Adelaide, Australia

viii Organisation

Hoang Nguyen Benthic, AustraliaHong Minh Nguyen Vietnam Petroleum Institute, VietnamAnh Minh Nguyen Offshore Design Engineering (ODE), UKMinh Tam Nguyen HCMC University of Technology, VietnamQuang Minh Nguyen Hanoi University of Mining and Geology,

VietnamTien Dung Nguyen Vietnam Japan University, VietnamEmilio Nicolini Cathie Associates, FranceElisabeth Palix EDF Energies Nouvelles, FranceHuy Giao Pham Asian Institute of Technology, ThailandHuy Dong Phan National University of Civil Engineering,

VietnamY. Thuan Phan National University of Civil Engineering,

VietnamDuc Long Phung VSSMGE, VietnamMarcelo Sanchez Texas A&M University, USAJiro Takemura Tokyo Institute of Technology, JapanAnh Minh Tang Ecole des Ponts ParisTech, FranceLuc Thorel IFSTTAR, FranceQuoc Nghia Trinh Norwegian University of Science

and Technology, NorwayRegis Wallerand Subsea 7, FranceLizhong Wang Zhejiang University, ChinaLinlin Wang China University of Petroleum, ChinaYoichi Watabe Hokkaido University, JapanPhil Watson University of Western Australia, AustraliaSimon Watson Delft University of Technology, NetherlandsLimin Zhang Hong Kong University of Science

and Technology, Hong Kong

Organisation ix

Sponsors

Gold

Having established for just more than a decade, FECON is now one of the leadingcompanies specializing in foundation engineering and underground construction inVietnam. The company provides state-of-the-practice services in foundation workssuch as piling, foundation and ground improvement, and underground construction(TBM tunneling and pipe jacking). After gaining firm credit for the servicesonshore, the company now starts providing construction services near shore andoffshore as well. Besides the services in construction sector, the company’s busi-ness has been recently expanded to investment sector in transport infrastructure,energy infrastructure, and urban infrastructure. The expansion is aimed to makeFECON also one of the leading company in infrastructure engineering in thecountry in the next decade.

Besides providing excellent services in construction and implementing strategicinvestments, the company also promotes R&D and international collaborationactivities. For example, FECON has been the host of a series of well-knowninternational conferences named GEOTEC HANOI, of which the 4th conferencewill be held in November 2019. In addition, the company also actively participatesin and sponsors many national and international conferences in civil engineering inVietnam annually. The company is a strategic partner of many internationalorganizations such as Asian Institute of Technology (AIT), the InternationalGeosynthetics Society (IGS), and the International Tunnelling and UndergroundSpace Association (ITA).

Address and contact info of FECON:15th Floor, CEO Tower, Lot HH2-1, Pham Hung Street, Me Tri Ha Ward, Nam TuLiem District, Hanoi, Vietnam.Tel: +84 (024) 4 6269 0481Email: info@fecon.com.vnWebsite: https://fecon.com.vn/en/

x Organisation

Silver

Cathie Associates is a leading international geoscience and geotechnical engi-neering consultancy providing bespoke and objective solutions to the offshore,nearshore and onshore oil, gas and renewable energy industries.

Cathie Associates brings an independent and focussed technical engineeringexpertise and practical construction support to the clients, ensuring seamless serviceand a range of practical, cost-effective and low risk solutions. Our services includefoundation engineering analysis and design; specification, supervision and projectmanagement for offshore geotechnical surveys; construction support includingcable burial and equipment selection; and pile driving assessment and monitoring.

Cathie Associates has been operating for over ten years and has developed animpressive track record in a vast range of offshore and near-shore geotechnicalservices and solutions. With a highly experienced team of technical experts andproprietary methodologies, we offer robust solutions for infrastructure designdevelopment and risk management.

Cathie Associates has worked in over two-thirds of all European offshore windfarms including London Array, Le Tréport and Borselle and have over 40GW ofexperience in offshore wind farm projects worldwide.

As a highly specialised consultancy, Cathie Associates has over 40 technicalexperts operating from offices across Europe (Belgium, France, UK, Germany andItaly) and the USA (Boston and Houston).

Korea Institute of Civil Engineering and Building Technology (KICT) (President:Dr. Seung Heon Han) marks its 35th anniversary in 2018, or 70 years if one countsits former body, the National Construction Laboratory Institute. The primary mis-sion of the institute is to contribute its achievements to the development of theKorean construction industry and to improve life quality of the citizens of the

Organisation xi

country by performing cutting-edge researches and promoting original technologiesin the fields of land, infrastructure and construction. Especially, the institute nowfocuses on new convergent technologies centered on the Fourth IndustrialRevolution, such as smart cities, intelligent construction robots, and virtualarchitecture.

Besides performing cutting-edge researches and promoting original technolo-gies, KICT has also actively involved in international collaborations with manyprestigious research institutes and industrial firms around the world. Such collab-orations are to exchange research and training activities as well as to contributeconstruction technologies and related know-hows of the institute to the develop-ment of other countries.

Bronze

Lam Pham Construction Company Limited (Lam Pham Construction, or LPC) wasestablished on 22 August 2007, is an enterprise specializing in design consultation,project planning and management, civil and industrial construction implementationin France and Vietnam. LPC is one of the leading construction companies whichtransfer and apply technology solutions from Europe on building and implementingconstruction in Vietnam, typically as Deltabeam – a product of Peikko Group fromFindland, lighweight flooring solution – Ubot (Uboot Beton) from Italia.

From 2012, LPC has signed an exclusive contract to transfer, market and selltechnology products of Daliform Group (Italia) and Peikko Group (Findland). Withthese new-generation technological solutions, LPC has brought Vietnam’s RealEstate and Construction market new solutions which significantly reduce the costand time, as well as solve limitations of traditional way of building, opening up newoptions for investors in Vietnam construction.

xii Organisation

Sarathy Geotech and Engineering Services Pvt Ltd was established in the year 2007to provide Geo-Technical Engineering Services for Offshore and Onland con-structions for the following sectors: Oil & Gas industry; Renewable Energy (Solar,Wind); Ports and Harbours; Refineries; Mining.

We also provide Integrated Survey Services for Offshore projects. Instrumentingoffshore piles to monitor for driving performance, pile/soil response and to measurethe mobilized compressive capacity has been one of SGES’s core competences. Wehave consistently exceeded customer expectations by our solutions. This has beenpossible by the excellent staff and consultants that have diverse expertise andexperience working on several National and International projects.

VISION STATEMENT: To be a leading player and service provider of choice inthe fields of Geo-physics and Geo-technique for both offshore and onshore markets.

MISSION STATEMENT: As an innovative Geo-technical and Geo-Physicalcompany, driven by values, we provide top class solutions with value addition tocustomers that are backed by best practices.

Organisation xiii

Organisers

Supporter

xiv Organisation

Acknowledegment

We would like to thank the following invited experts for reviewing the papers:Harvey Burd, Thomas Choisnet, David Colliard, Nick Ramsey, Rawaz-DlawarMuhhammed, Desmond Cian, Ning Dezhi, Vu Xuan Hung, Nguyen Viet, DavidKay, Nguyen The Cong, Tran Tuan Vu, Nguyen Duc Bac, Phan Anh Tuan, NguyenXuan Hoa, Lesny Krestin, Tran Long Giang, Doan Quang Van, Le Chi Hung,Nguyen Sy-Tuan, Doan Huy Hien, Bui Ngoc Hai, Nguyen Tat Thang, Pham ThanhDam, Nguyen Khoa Van, Tran Nhu Cuong and Siavash Ghabezloo.

xv

Contents

Keynote lectures

Offshore Wind Energy: Technology Opportunities and Challenges . . . . 3Van Nguyen Dinh and Eamon McKeogh

A Philosophy for Developing Offshore GeotechnicalEngineering Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Nick Ramsey

Site Characterization and Ground Modelling

A New Calibration Technique to Improve Data Reductionfor Stokoe Resonant Column Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43M. T. Bui, J. A. Priest, and C. R. I. Clayton

Distribution of Escherichia coli in Dredged Marine Soils Collectedfrom Waters Around Peninsular Malaysia: A Relationwith Geotechnical Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49Chee-Ming Chan, Nurasiah Mira Anuar, and Mohammad Zawawi Rosman

Image-Based Modelling of Shelly Carbonate Sand for FoundationDesign of Offshore Structures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55Joana Fonseca, Sadegh Nadimi, and Deqiong Kong

Offshore Geotechnical Properties, A VR/Neural-Interpretation: Part 1 . . . 61Silvia García, Paulina Trejo, Alberto García, César Dumas,and Celestino Valle-Molina

Offshore Geotechnical Properties, A VR/Neural-Interpretation: Part 2 . . . 67Silvia García, Paulina Trejo, Alberto García, César Dumas,and Celestino Valle-Molina

Geotechnical Behaviour and Construction Problems of Sabkha Soil . . . 74Suneel Matchala, Joong Sub Park, Byoung Youn Kim, Tai Gon Choi,and Yong Cheol Jun

xvii

The Role of Geo-Environmental Factors in Landscape and VisualAssessment for Shallow-Water Offshore Structures . . . . . . . . . . . . . . . . 81Slobodan B. Mickovski and Gisele Alves

An Experimental Evaluation of Characteristics of Ball PenetrationTest in Soft Clay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88Tien Dung Nguyen, Nghiem Xuan Tran, and Le Chi Hung

Dual-Porosity Model for History Matching and Production Forecastfor an Oil Reservoir at Cuu Long Basin, Offshore Vietnam . . . . . . . . . . 95Nguyen Viet Khoi Nguyen, Xuan Huy Nguyen, and Quang Khanh Do

Liquefaction Resistance and Post-Cyclic Settlement of Nam O SandSubjected to Uni-Directional and Multi-Directional Cyclic Shears . . . . . 102Thanh Nhan Tran

The Use of Pressuremeters in the Marine Environment . . . . . . . . . . . . . 108Robert Whittle

Advanced Pressuremeter Testing for the Padma Multi-purposeBridge Development . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114Robert Whittle

Geotechnical Performance of Offshore Structures

Fractured Reservoirs Modeling by Embedded FractureContinuum Approach: Field-Scale Applications . . . . . . . . . . . . . . . . . . . 123Hong-Lam Dang, Duc-Phi Do, and Dashnor Hoxha

Evolution of Riser-Soil Stiffness in a Soil Crust Layer . . . . . . . . . . . . . . 130Zhechen Hou, Fauzan Sahdi, Christophe Gaudin, and Mark Randolph

Improvement of NT-bar Evaluation in Clays Using LargeDeformation FE Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137Dat Vu Khoa Huynh, Hans Petter Jostad, and Harun Kursat Engin

Design and Construction of the Waterfront Retaining Wallfor Cooling Water Intake Pump Station for Jimah EastPower Plant, Malaysia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144Seung Tai Jeong, Hong Deok Im, Suneel Matchala, Kyung Mo Lee,Sun Young Seo, and Yong Cheol Jun

Examination of Caisson-Type Quay Wall for Resilient Structureby Using 1G Shaking Table Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151Kazuhiro Kaneda, Hiroyuki Yamazaki, and Satoru Ohtsuka

Methane Hydrate-Bearing Sand - An Energy Resource? . . . . . . . . . . . . 158Thi Xiu Le, Anh Minh Tang, Patrick Aimedieu, Michel Bornert,Baptiste Chabot, and Stéphane Rodts

xviii Contents

On the Use of Amour Block-RAKUNA IV in Breakwatersand Coastal Protection Works in Vietnam . . . . . . . . . . . . . . . . . . . . . . . 164Thi Huong Giang Le

Vibratory Driven Installation of Monopiles – An ExperimentalInvestigation of the Soil-Pile Interaction . . . . . . . . . . . . . . . . . . . . . . . . . 171Fabian Remspecher, Viet Hung Le, Frank Rackwitz, Volker Herwig,and Benjamin Matlock

Application of a Geomechanical Model to Wellbore Stability Analysis:A Case Study X-Well, Bach Ho Field in Vietnam . . . . . . . . . . . . . . . . . 177Van Hung Nguyen, Hai Linh Luong, Minh Hoang Truong,Huu Truong Nguyen, Vu The Quang, Viet Khoi Nguyen Nguyen,and Tu An Bui

Numerical Study of Flint/Boulder Behavior During Pile Driving . . . . . . 183Emilio Nicolini and Paolo Gargarella

Modelling of Soil-Pile Interaction for Monopiles for OffshoreWind Turbines: Back-Calculation of Eigenfrequencies . . . . . . . . . . . . . 190Martin Underlin Østergaard, Anders Hust Augustesen,Søren Peder Hyldal Sørensen, Claus Kramhøft, and Mikkel Traberg Larsen

Investigation on Seepage Erosion and Safety Mechanismof Suction Caisson Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196Kanmin Shen, Zhen Guo, Lizhong Wang, Shengjie Rui, and Ben He

Analysis of Induced Overconsolidation on Response of GranularPile Reinforced Soft Ground-Effect of Relative Compressibility . . . . . . . 203K. Suresh, M. R. Madhav, and E. C. Nirmala Peter

Impact of Holes in Offshore Pile Foundation on InternalForce Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210L. G. Tran and T. D. C. Nguyen

Numerical Analysis on Behaviours of Winged Monopile Subjectedto Cyclic Loading in a Calcareous Ground . . . . . . . . . . . . . . . . . . . . . . 217Anh-Tuan Vu and Tatsunori Matsumoto

Scour Around a Subsea Structure with Mudmat: Comparisonof Field Data with Laboratory Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224Weidong Yao, Scott Draper, Phil Watson, Hongwei An, Liang Cheng,and Meysam Banimahd

Offshore Renewable Energy Assessment and Forecast

Design of an Offshore Wind Farm Layout . . . . . . . . . . . . . . . . . . . . . . . 233Van Nguyen Dinh and Hoa Xuan Nguyen

Contents xix

Potential Application of Slimhole Drilling Technologyto Geothermal Wells in Vietnam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239Quang Khanh Do, Truc Doan, Trong Quang Hoang,Thi Tam Thanh Nguyen, and Tam Tran

Numerical Approach for Studying Offshore Wind PowerPotential Along the Southern Coast of Vietnam . . . . . . . . . . . . . . . . . . . 245Van Q. Doan, Hiroyuki Kusaka, Toan V. Du, Duc D. Nguyen,and Thanh Cong

The Zoning of Offshore Wind Energy Resources in the Vietnam Sea . . . 250Du Van Toan, Quang Van Doan, Pham Le Duy Anh,and Van Nguyen Dinh

Pipepline Flow Assurance: A Case Study of Oil with High ParaffinConcentration in Vietnam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257Van Hung Nguyen, Hai Linh Luong, Huu Truong Nguyen,Minh Hoang Truong, Vu The Quang, and Pham Huu Tai

Geotechnical Analysis of the Stability and the Seepagefor an Artificial Energy Atoll Close to the Belgian Coast . . . . . . . . . . . . 263Herman Peiffer

Research and Development of Wind Power in Vietnam . . . . . . . . . . . . . 270Anh Tuan Phan, Dong Nguyen, and Thi Thanh Huong Pham

Offshore Wind Power in Vietnam: Lessons Learnt from Phu Quyand Bac Lieu Wind Farms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276Hong Thai Vo, Viet Trung Le, Le Mai Phung, and Thi Thu Hang Cao

Wind, Wave, Tidal and Current Turbine Systems

Analytical Study on a Concentric Cylindrical OWC WaveEnergy Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285Dezhi Ning, Yu Zhou, Chongwei Zhang, and Bin Teng

The Mechanism of After-Runner Storm Surge Along the NorthCoast of Vietnam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291Ba Thuy Nguyen, Ngoc Khanh Pham, Manh Dung Nguyen,Sooyoul Kim, and Lars Robert Hole

Improved Interface Capturing for Ship Hydrodynamicsand Multiphase Flow Simulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298Tat Thang Nguyen, Vu Phuong Thao Luu, and Duy Trong Nguyen

Design a Small Direct Drive Wind Power Generator . . . . . . . . . . . . . . . 305The Cong Nguyen, Tuan Vu Tran, and Duc Bac Nguyen

xx Contents

Numerical Investigation of Wave-Current Interaction by UsingSmoothed Particle Hydrodynamics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312Hoa Xuan Nguyen, Biswajit Basu, and Van Nguyen Dinh

Numerical Simulation of a Wave Energy ConverterUsing Linear Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319Van Ngoc Phung, The Mich Nguyen, The Ba Dang, and Dinh Tuan Phan

Design of Offshore Foundations

Suction Pile Design and Installation Challenges for the Ophir WHP . . . 329E. A. Alderlieste and M. J. Dekker

Numerical Analysis of Suction Bucket Foundations Usedfor Offshore Wind Turbines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336Pouyan Bagheri, Jong Chan Yoon, Duhee Park, and Jin Man Kim

Development of Semi Empirical Method for Predicting AxialPile Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342Amel Benali, Ammar Nechnech, and Ali Bouafia

PISA: Recent Developments in Offshore Wind TurbineMonopile Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350Byron W. Byrne, Harvey J. Burd, Kenneth G. Gavin, Guy T. Houlsby,Richard J. Jardine, Ross A. McAdam, Chris M. Martin, David M. Potts,David M. G. Taborda, and Lidija Zdravkovic

Installation of Suction Anchors in Soft Deepwater Gulf of Guineaand Gulf of Mexico Clays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 356Jean-Louis Colliat

Life Cycle Changes in p-y Stiffness for a Conductor Pile Installedin Carbonate Silt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 362James Doherty, David White, Phillip Watson, and Andrew Grime

PREDIN, A Preliminary Design Tool for Offshore WindTurbine Foundations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369Félix Gorintin, Hélène Robic, Antoine Neau, Hakim Mouslim,and Bruno Borgarino

Reliability Based Installation Design of a Suction Caisson in Clay . . . . . 376Michael Harte and Avi Shonberg

Investigation of Vertical Pullout Cyclic Response of BucketFoundations in Saturated Loose Sand . . . . . . . . . . . . . . . . . . . . . . . . . . 383Le Chi Hung, Sihoon Lee, Sung-Ryul Kim, Xuan Nghiem Tran,Tien Dung Nguyen, and Ju-Hyung Lee

Contents xxi

Numerical Investigation of Installation Effects on the Cyclic Behaviourof Monopile Foundation Under Horizontal Loading . . . . . . . . . . . . . . . . 389Viet Hung Le, Fabian Remspecher, and Frank Rackwitz

Undrained Penetration Using Rate-Dependent and Strain-SofteningTresca Model for Offshore Geotechnical Problems . . . . . . . . . . . . . . . . . 395Erick Y. Kencana, C. F. Leung, and Y. K. Chow

Driven Pile Design for Offshore Wind Jacket Structures . . . . . . . . . . . . 401Sebastien Manceau, Anna Sia, Robert McLean, and Angelo Lambrughi

Ultimate Lateral Resistance of Pile Group in Clayey Soils AgainstVarious Directions of Ground Movement . . . . . . . . . . . . . . . . . . . . . . . . 408Quang N. Pham, Satoru Ohtsuka, Koichi Isobe, and Yutaka Fukumoto

Influence of Layered Soil Profiles on the Application of p-y Curvesfor Large Diameter Monopiles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 415Pauline Truong Suzuki, David Maloney, and Liv Hamre

Grouted Connections on Monopiles: A Numerical Study . . . . . . . . . . . . 421Nikolaos I. Tziavos, Hassan Hemida, Nicole Metje,and Charalampos Baniotopoulos

Centrifuge Study on the Lateral Loaded Responseof the Monopod and Tripod Bucket Foundations in Sand . . . . . . . . . . . 428H. Wang, L. Z. Wang, and Y. Hong

Suction Pile Relocation, a Numerical Study . . . . . . . . . . . . . . . . . . . . . . 434Regis Wallerand and Dinh Hong Doan

Design of Offshore Structures

Experimental Investigation of Elasticity Effects on Slamming . . . . . . . . 443Tri Mai, Alison Raby, and Deborah Greaves

Hydroelastic Analysis of Modular Floating Bargesfor Hydrocarbon Storage Facility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450Jian Dai, Kok Keng Ang, and Chi Zhang

Strength Check for Legs Structure of Jack-Up Platformsin Transit Condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 457Quang Cuong Dinh and Thi Hang Pham

Global Analysis for Jack-Up Rig 400 ft in Transit Condition . . . . . . . . 464Quang Cuong Dinh, Dan Chinh Vu, and Tien Dung Hoang

Dynamic Effects of Wave Loads in Analysis to Check Strengthand Fatigue for Fixed Steel Jacket Structure . . . . . . . . . . . . . . . . . . . . . 471Quang Cuong Dinh, The Anh Bui, and Duc Nien Hoang

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Offshore Gas Pipeline Linepack to Improve the Flexibilityof System Facilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 478Quang Khanh Do, Cong Vinh Luan Dinh, Truc Doan,Thi Mai Huong Tran, and Huu Nhan Nguyen

Aerodynamic Analysis of a 5 MW Stall-Regulated OffshoreVertical Axis Wind Turbine Using Computational Fluid Dynamics . . . . 485Brian Hand, Andrew Cashman, and Ger Kelly

Fatigue of K-Joints – Review and Outlook . . . . . . . . . . . . . . . . . . . . . . . 492Jennifer Hrabowski and Stefan Herion

Suitability of Helical Anchors for Mooring a Wave EnergyConverting System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 498Kerstin Lesny and Matthias Uchtmann

Coupled BEM/hp-FEM Modelling of Moored Floaters . . . . . . . . . . . . . . 504G. Moura Paredes, C. Eskilsson, J. Palm, J. P. Kofoed, and L. Bergdahl

The Influence of Flexible Towers on the Dynamics of OffshoreWind Turbine Gravity Base Structures . . . . . . . . . . . . . . . . . . . . . . . . . 511Kieran O’Leary, Vikram Pakrashi, and Denis Kelliher

Design of Stationkeeping System for a 12 MW Semi-submersibleFloating Offshore Wind Turbine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 518Pham Thanh Dam, Byoungcheon Seo, Junbae Kim, Hyeonjeong Ahn,Dongju Kim, and Hyunkyoung Shin

Tubular, Lattice and Hybrid Steel Turbine Towers for OffshoreWind Energy: A Numerical Investigation . . . . . . . . . . . . . . . . . . . . . . . . 524Nafsika Stavridou, Efthymios Koltsakis,and Charalampos C. Baniotopoulos

VC4OWT: MATLAB Interface for Vibration Controlof Offshore Wind Turbine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 530Thanh-Tuan Tran, Anh-Tuan Cao, and Dookie Kim

Safety Assessment of Fixed Steel Offshore Structures WhenSuffering Over-Design Environmental Loading in VietnameseSea Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 537Vu Dan Chinh

Comparison Study on Bottom Plate Effect on SingleHydrocarbon Storage Tank Through Decay Test . . . . . . . . . . . . . . . . . . 544Chi Zhang, Jian Dai, Kok Keng Ang, and Allan Magee

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Miscellaneous

Heat Transfer in Gas Hydrate Sediment . . . . . . . . . . . . . . . . . . . . . . . . 553Zhiqiang Liu and Linlin Wang

Lesson Learned from Hydraulic Fracturing Stimulationfor Improved Oil Production Rate in the Lower Miocene Reservoir,Offshore Viet Nam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 559Huu Truong Nguyen and Van Hung Nguyen

New Structural Solution for Port Protective Works: RubbleMound Breakwater Slope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 566Van Ngoc Nguyen and Thi Huong Giang Le

Methodology for Total Reliability Evaluation of the Mooring Linesof Floating Offshore Structures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 572Hien Hau Pham

Development of a Safety Drinking Water Disinfection Systemfor Removed Areas in Vietnam Powered by Wind Energy . . . . . . . . . . 580Anh Tuan Phan and Minh Tan Nguyen

Application of Numerical Modeling for the Dyke Erosionin Trieu Do Commune on Thach Han River Basin in Vietnam . . . . . . . 586Hong Thai Tran and Quang Tri Doan

New Structural Solution for Breakwater Combined of FibreReinforced Polymer (FRP) Concrete Framework and FRPConcrete Plate Constructed on Soft Soil . . . . . . . . . . . . . . . . . . . . . . . . . 592Long Giang Tran

Hollow Cylinder Breakwater for Dissipation of Wave Energyto Protect the West Coast of Ca Mau Province in Vietnam . . . . . . . . . . 599Van Thai Tran, Hai Ha Nguyen, Duc Hung Pham, Duy Ngoc Nguyen,and Thanh Tam Nguyen

Challenges of Life Extension for Offshore Structuresand Foundations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 606Fion Yong and Neil Morgan

Correction to: Fractured Reservoirs Modeling by Embedded FractureContinuum Approach: Field-Scale Applications . . . . . . . . . . . . . . . . . . . C1Hong-Lam Dang, Duc-Phi Do, and Dashnor Hoxha

Author Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 613

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