Proceedings of the 2nd Vietnam Symposium on Advances in Offshore Engineering : Sustainable Energy and Marine Planning

• Autore: Huynh Dat Vu Khoa
• Pubblicazione: Singapore : , : Springer Singapore Pte. Limited, , 2021; ©2022
• Descrizione fisica: 1 online resource (559 pages)
• Soggetto genere / forma: Electronic books.
• Altri autori: TangAnh Minh DoanDinh Hong WatsonPhil
• Nota di contenuto: Intro -- Preface -- Organisation -- Organising Committee -- Chairmen -- International Members -- Local Members -- International Scientific Committee -- Coordinators -- Members -- Invited Reviewers -- Organisers -- Patronages -- Under the Auspices of -- Contents -- Keynote Lectures -- Data-Driven Ground Models: The Road to Fully-Integrated Site Characterization and Design -- 1 Introduction -- 2 Data Integration Aka Ground Models: Trilogy of Geology, Geophysics and Geotechnics -- 2.1 Ground Models - Definition and Semantics -- 2.2 Generic Workflow -- 3 Some Examples of Data-Driven Ground Models -- 3.1 synCPT -- 3.2 Co-kriging -- 3.3 Random Forest -- 4 Room for Improvements and Novel Developments -- 4.1 Data Quality, Density, and Quality -- 4.2 Added Value - Multi-sensor Core Logging -- 4.3 Added Value - UHR 3D Seismic Surveying -- 4.4 Blending Seismic Inversion with Machine Learning -- 4.5 Shear Wave Data: Tying the Knot -- 5 Summary -- References -- Experimental Observations on a Suction Bucket Foundation Under Vertical Pullout Loading -- 1 Introduction -- 2 Previous Studies on Pullout Capacity -- 3 Pullout Capacity According to Drainage Condition -- 3.1 Model Preparation and Testing -- 3.2 Results and Discussions -- 4 Conclusion -- References -- Phu Cuong Soc Trang Offshore Wind Farm Development Some Lessons Learnt -- 1 Offshore Wind Resource in Vietnam -- 2 Features of Near Shore Windfarms Built to Date in the Mekong Delta Provinces -- 2.1 Ground Conditions -- 2.2 Weather Conditions for Installation -- 2.3 Wind Turbine Foundation Solutions -- 2.4 Operation and Maintenance Solutions -- 3 Development of the Phu Cuong Soc Trang Offshore Wind Farm -- 3.1 Project Background -- 3.2 Geotechnical Investigation -- 3.3 Metocean Surveys -- 3.4 Wind Measurement -- 3.5 Wind Turbine Foundation Design -- 3.6 Engagement with Fishing Industry. ; 3.7 Operation and Maintenance -- 3.8 Policy Support for Offshore FIT in Vietnam -- 3.9 Conclusions -- References -- Planning, Policy and Integration for Sustainable Development of Offshore Wind Energy in Vietnam 2022-2030 -- 1 Introduction -- 2 Vietnam Wind Resource is Excellent -- 3 Towards 5 GW of Wind Power Operational at the End of 2021 -- 4 Cost of Wind Power is Rapidly Falling, but FIT is Uncertain -- 5 Scenarios for Wind Power in Vietnam -- 6 Variability and Flexibility Needs -- 7 Infrastructure Requirements -- 8 Conclusion and Policy Implications -- References -- Site Characterization and Ground Modelling -- A Calculation Model for Borehole Collapse Volume in Deviated Openhole in Formation with Weak Plane -- 1 Introduction -- 2 Borehole Stresses -- 3 Elliptical Wellbore for Collapse Volume Calculation -- 4 Volume of Borehole Collapse -- 5 Results and Discussion -- References -- A Practical Application Using Industrial Waste for Enhancing the Mechanical Properties of Expansive Soil -- 1 Introduction -- 2 Materials and Experimental Programs -- 2.1 Materials -- 2.2 Experimental Programs -- 3 Test Results and Discussion -- 3.1 Ultimate Shear Strength of Bagasse Fibre Reinforced Soil -- 3.2 Effects of Bagasse Fibre and Lime on Swelling Potential -- 3.3 Effects of Bagasse Fibre and Lime on Swelling Pressure -- 3.4 Effects of Bagasse Fibre and Lime on the Compression Characteristics -- 4 Conclusion -- References -- Dynamic Properties of a Calcareous Sand in UAE -- 1 Introduction -- 2 Laboratory Testing -- 3 Test Results and Discussions -- 3.1 Shear Strength -- 3.2 Small Strain Stiffness -- 3.3 Damping Ratio -- 3.4 Cyclic Resistance Ratio -- 4 Summary -- References -- Estimation of Damping Factors for a Better Assessment of Offshore Driven Piles Capacity -- 1 Presentation of the Studied Cases -- 2 Problem Statement. ; 3 Impact of Damping Variations on Capacity Assessment at End of Drive -- 4 Impact of Damping Variations on Long-Term Capacity Estimation -- 5 Expected Damping Factor from the Literature -- 6 Expected Damping Factors from Local Experience -- 7 Conclusions and Recommendations -- References -- Finite Element Model of Wave Loading on a Soil Seabed Part I: Multi-layered Anisotropic Gassy Soil Conditions -- 1 Introduction -- 2 Governing Differential Equations for Multi-layer and Anisotropic Poro-Elastic Soil Conditions -- 3 Harmonic Approximation of Governing Equations -- 4 Galerkin Finite Element Formulation -- 5 Incorporation into a Finite Element Model -- 6 Example of Wave Loading on a Two-Layered Soil Seabed -- 7 Conclusions -- References -- Finite Element Model of Wave Loading on a Soil Seabed Part II: Heterogeneous Gassy Soil Conditions -- 1 Introduction -- 2 Governing Differential Equations for Heterogeneous and Anisotropic Poro-Elastic Soil Conditions -- 3 Harmonic Approximation of Governing Equations -- 4 Galerkin Finite Element Formulation -- 5 Incorporation into a Finite Element Model -- 6 Example Simulation of Wave Loading on a Buried Pipeline -- 7 Conclusions -- References -- Geotechnical Characteristics of Seabed Deposits at Su Tu Trang Site, Cuu Long Basin, Offshore Vietnam -- 1 Introduction -- 2 Field Test Program -- 2.1 Site Location -- 2.2 In-Situ and Laboratory Tests -- 3 Soil Characterization -- 3.1 Soil Profile -- 3.2 Overconsolidation Ratio (OCR) -- 3.3 Undrained Shear Strength (su) -- 4 Conclusions -- References -- Investigation of Long-Term Settlement of Flexible Steel Oil Storage Tanks on Calcareous Sand in UAE -- 1 Introduction -- 2 General Tank Foundation and Ground Condition -- 3 Assessment in Situ Soil Density and Stiffness -- 4 Settlement Evaluation Using Laboratory Tests. ; 4.1 Measurement of Creep for Calcareous Sand Using Triaxial Test -- 4.2 Assessment of Cyclic Foundation Settlement -- 5 Concluding Remarks and Recommendations -- References -- Investigation of the Long-Term Cyclic Behaviour of Monopile Foundation by Impact and Vibratory Installation -- 1 Introduction -- 2 Numerical Calculation Concept -- 3 Soil Conditions After the Installation Process -- 4 Simulation of the Cyclic Loading -- 4.1 Numerical Model and Load Program -- 4.2 Material and Parameters for the Constitutive Models -- 4.3 Validation of the Numerical Results -- 5 Parameter Study -- 6 Conclusions -- References -- Jack up Spudcan Penetration Prediction for Murmanskaya Platform at X-Block, Nam Con Son Basin, Offshore Vietnam -- 1 Introduction -- 2 Theoretical Background -- 3 Results and Discussion -- 3.1 Geomorphology Seabed Hazard -- 3.2 Soil Conditions at Jack up Rig Location -- 3.3 Footing Penetration Prediction -- 4 Conclusions -- References -- Marine Operability Prediction Using Phase-Resolved Wave-Fields -- 1 Introduction -- 2 Concept and Methodology -- 2.1 Concept -- 2.2 Methodology -- 3 Simulation -- 4 Conclusion -- References -- Neural Network Modeling of Shear Wave Velocity of Macau Soils Using SPT and CPT Data -- 1 Introduction -- 2 Back Propagation (BP) Neural Network -- 3 Case Study -- 4 Analysis Results -- 4.1 The Model with SPT and Vs -- 4.2 The Model Between CPT and Vs -- 4.3 The Model Combining SPT, CPT, and Vs -- 5 Conclusion -- References -- Practical Considerations for Advanced Laboratory Tests to Assist Pile Design for Offshore Wind Projects in Vietnam -- 1 Introduction -- 2 ALT Strategy for WTG Piled/Monopile Foundations -- 2.1 Main Considerations for the Design of Piled/Monopile Foundation -- 2.2 ALTs for the Design of WTG Piled/Monopile Foundation -- 2.3 ALT Strategy for WTG Piled/Monopile Foundation. ; 3 Establishing Backbone Stiffness Curve from a Combination of Various ALT Techniques -- 4 Considerations to Cyclic Tests (ALT-3 Group) -- 5 Summary -- References -- Rock Physics Diagnostic (RPD) as a Value-Added Tool in Site Investigation of the Subsea Characteristics for an Offshore Wind Farm Site in Ca Mau, Vietnam -- 1 Introduction -- 2 Rock Physics Diagnostic (RPD) Method -- 3 Results and Discussion -- 4 Concluding Remarks -- References -- Undrained Shear Strength Assessments for Clay of the Offshore Wind Power Projects in Vietnam -- 1 Introduction -- 2 Soil Classification and Physical Properties of Clayey Soil -- 2.1 Project Site Overview -- 2.2 Physical Properties of Clayey Soil in Binh Dai -- 3 Mechanical Properties of Clayey Soil in Binh Dai -- 3.1 Sample Quality Evaluation -- 3.2 Undrained Shear Strength from Laboratory Test -- 3.3 Relation Between Normalised Undrained Shear Strength and IL -- 3.4 CPTU Interpretation -- 4 Conclusion -- References -- Design of Offshore Foundations and Structures -- Assessment of the Remaining Safety of Pipelines with Corrosion Defects -- 1 Introduction -- 2 Accessment Methods -- 3 FE Modeling Cases -- 4 Results and Discussions -- 4.1 Failure Pressure -- 4.2 Maximum Von Mises Stress -- 5 Conclusions -- References -- Cantilever Secant Pile Constructed in Sand: Numerical Comparative Study and Design Aids -- 1 Introduction -- 2 Methods Employed -- 2.1 Parametric Study -- 2.2 Methods and Tools -- 3 Presentation and Analysis of Results -- 3.1 Effective Penetration Depth and Design Hints -- 3.2 Rational Empirical Equations -- 4 Conclusions -- References -- Communication and Control for Remotely Operated Underwater Vehicles -- 1 Introduction -- 2 Hull Form of the Remotely Operated Underwater Vehicles -- 3 Propulsive and Steering System -- 3.1 Propulsive -- 3.2 Steering System -- 4 Communication and Control. ; 4.1 ROV and Float Communication.
• Titolo autorizzato: Proceedings of the 2nd Vietnam Symposium on Advances in Offshore Engineering
• ISBN: 9789811677359; 9789811677342
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910513576303321
• Lo trovi qui: Univ. Federico II
• Serie: Lecture Notes in Civil Engineering Ser.