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Foreword by the German Federal Ministerfor Economic Affairs and Energy; Foreword by the Chair of the Offshore WindEnergy Foundation; CSI Test Field, CSI Offshore; Credits; Contents; List of Authors; I Construction, Operation, Measurement, Coordination; 1 Metamorphoses of an Offshore Wind Farm; 1.1 In the Beginning Was the Sea; 1.2 Prerequisites and Previous Experience; 1.3 Foundation Concepts: Something New on the Sea Bed; 1.4 Delayed Completion; 1.5 Installation, Logistics and Cabling; 1.6 Operation, Maintenance and Farm Control System; 1.7 Money and Its Usages; 1.8 Sources
2 Who, What, When, Why and Above All
Whereto?2.1 Sources; 3 A Thousand Sensors, from the Blade Tip to the Bottom of the Sea; 3.1 Measurement Service: One for All; 3.2 Coordination, Organisation, Exploitation; 3.3 Tripod Is Also Hard to Access on Land; 3.4 An Obstacle Course Before and out at Sea; 3.5 The Tides and Maltreated Measuring Buoys; 3.6 Only 30 % Accessible by Ship in Winter; 3.7 Firmly Entrenched in the Ground, even with Scour Holes; 3.8 Logistics: (No) Ship will Come; 3.9 Just Keep on Going; 3.10 Sources; II Foundation and Support Structures; 4 A Firm Hold in Rough Seas
4.1 Introduction4.2 The Tripod as Wave Breaker; 4.3 Steel Structure with an Ideal Figure; 4.4 Cavity and Grout; 4.5 Rust on the Tube; 4.6 Immersion Bath for the "Problem" Plates; 4.7 Monitoring Is Everything; 4.8 Scouring, the (Un)Known Entity; 4.9 Scour Protection Using Concrete Chains; 4.10 How Much Can a Pile Bear?; 4.11 Close to Reality; 4.12 A Software Puzzle Gets Put Together; 4.13 Sources; 5 Life Goes on; 5.1 The Journey Is the Reward; 5.2 Efficient Data Management; 5.3 Research Put into Practice; 5.4 Despite Rust and All that: Is There Anything After the End of Service Life?
5.5 Model Tests Are Good, but Are Calculation Models Better?5.6 The Gordian Tube Knot; 5.7 Where Will It All End
Automatic Service Life Calculation; 5.8 Sources; 6 Please Avoid Tilting; 6.1 Everything Rests on the Pile; 6.2 Pore Water Pressure: Even a Drop Weighs Heavy; 6.3 Measuring and Expanding; 6.4 Between Ground Subsidence and Pore Water Pressure; 6.5 Extreme Storms Loosen Things up; 6.6 The Burden with the Load Thereafter; 6.7 Sources; 7 Uncharted Territory on the Seabed; 7.1 Getting the Balance Right; 7.2 Observing and Monitoring
7.3 All Beginnings: The PC and a System Identification Procedure7.4 Field Trials at the Bottom of the Berlin Glacial Valley; 7.5 The Early Piles: Still Not Very Resilient; 7.6 No Signal in Normal Operation; 7.7 Testing out at Sea Still Not Completed; 7.8 Outlook: Please Continue to Develop Countermeasures; 7.9 Sources; III Turbine Technology and Monitoring; 8 Long-Lived Despite Harsh Winds; 8.1 The Gearbox
Highly Stressed; 8.1.1 A Small Crane on Board Instead of a Big Jack-up Rig out at Sea; 8.1.2 Sufficient Capacity for a Long Service Life
2 Who, What, When, Why and Above All
Whereto?2.1 Sources; 3 A Thousand Sensors, from the Blade Tip to the Bottom of the Sea; 3.1 Measurement Service: One for All; 3.2 Coordination, Organisation, Exploitation; 3.3 Tripod Is Also Hard to Access on Land; 3.4 An Obstacle Course Before and out at Sea; 3.5 The Tides and Maltreated Measuring Buoys; 3.6 Only 30 % Accessible by Ship in Winter; 3.7 Firmly Entrenched in the Ground, even with Scour Holes; 3.8 Logistics: (No) Ship will Come; 3.9 Just Keep on Going; 3.10 Sources; II Foundation and Support Structures; 4 A Firm Hold in Rough Seas
4.1 Introduction4.2 The Tripod as Wave Breaker; 4.3 Steel Structure with an Ideal Figure; 4.4 Cavity and Grout; 4.5 Rust on the Tube; 4.6 Immersion Bath for the "Problem" Plates; 4.7 Monitoring Is Everything; 4.8 Scouring, the (Un)Known Entity; 4.9 Scour Protection Using Concrete Chains; 4.10 How Much Can a Pile Bear?; 4.11 Close to Reality; 4.12 A Software Puzzle Gets Put Together; 4.13 Sources; 5 Life Goes on; 5.1 The Journey Is the Reward; 5.2 Efficient Data Management; 5.3 Research Put into Practice; 5.4 Despite Rust and All that: Is There Anything After the End of Service Life?
5.5 Model Tests Are Good, but Are Calculation Models Better?5.6 The Gordian Tube Knot; 5.7 Where Will It All End
Automatic Service Life Calculation; 5.8 Sources; 6 Please Avoid Tilting; 6.1 Everything Rests on the Pile; 6.2 Pore Water Pressure: Even a Drop Weighs Heavy; 6.3 Measuring and Expanding; 6.4 Between Ground Subsidence and Pore Water Pressure; 6.5 Extreme Storms Loosen Things up; 6.6 The Burden with the Load Thereafter; 6.7 Sources; 7 Uncharted Territory on the Seabed; 7.1 Getting the Balance Right; 7.2 Observing and Monitoring
7.3 All Beginnings: The PC and a System Identification Procedure7.4 Field Trials at the Bottom of the Berlin Glacial Valley; 7.5 The Early Piles: Still Not Very Resilient; 7.6 No Signal in Normal Operation; 7.7 Testing out at Sea Still Not Completed; 7.8 Outlook: Please Continue to Develop Countermeasures; 7.9 Sources; III Turbine Technology and Monitoring; 8 Long-Lived Despite Harsh Winds; 8.1 The Gearbox
Highly Stressed; 8.1.1 A Small Crane on Board Instead of a Big Jack-up Rig out at Sea; 8.1.2 Sufficient Capacity for a Long Service Life