Details
| Original language | English |
|---|---|
| Title of host publication | European Wind Energy Conference and Exhibition 2010, EWEC 2010 |
| Pages | 2396-2421 |
| Number of pages | 26 |
| Publication status | Published - 2010 |
| Event | European Wind Energy Conference and Exhibition 2010, EWEC 2010 - Warsaw, Poland Duration: 20 Apr 2010 → 23 Apr 2010 |
Publication series
| Name | European Wind Energy Conference and Exhibition 2010, EWEC 2010 |
|---|---|
| Volume | 3 |
Abstract
Jacket substructures of Offshore Wind Turbines are connected to the foundation piles by grouted connections with high performance grout fillings. Geometric dimensions and material strength of these connections deviate from current offshore design standards. Valid design recommendations for the fatigue design of grouted joints with additional mechanical interlocks are not available. Within this paper the load carrying behavior of axially loaded grouted connections filled with high performance grout materials is introduced. The state-of-the-art for design of grouted connections under prevailing axial loads is presented and the influencing parameters in fatigue of steel members of hybrid connections are identified. Local approaches for fatigue of steel structures are introduced and transferred to fatigue design of steel members in grouted connections. Within the BMU-research project 'GROW-Grouted Structures for Offshore Wind Turbines' several experimental investigations on grouted connections for Offshore Wind Turbines were carried out at the Institute for Steel Construction, Hannover. Preliminary results of ultimate and fatigue tests are presented and used to benchmark different implemented numerical models of grouted connections. Under variable stress distributions fatigue design parameters are numerically conducted and the applicability of local approaches is checked. Finally design recommendations for axially loaded grouted joints are given.
Keywords
- Connections, Fatigue, Grouted Joints, Local approaches, Offshore
ASJC Scopus subject areas
- Energy(all)
- Energy Engineering and Power Technology
- Energy(all)
- Renewable Energy, Sustainability and the Environment
Sustainable Development Goals
Cite this
- Standard
- Harvard
- Apa
- Vancouver
- BibTeX
- RIS
European Wind Energy Conference and Exhibition 2010, EWEC 2010. 2010. p. 2396-2421 (European Wind Energy Conference and Exhibition 2010, EWEC 2010; Vol. 3).
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - Fatigue design for prevailing axially loaded grouted connections of offshore wind turbine support structures in deeper waters
AU - Schaumann, Peter
AU - Bechtel, Anne
AU - Lochte-Holtgreven, Stephan
PY - 2010
Y1 - 2010
N2 - Jacket substructures of Offshore Wind Turbines are connected to the foundation piles by grouted connections with high performance grout fillings. Geometric dimensions and material strength of these connections deviate from current offshore design standards. Valid design recommendations for the fatigue design of grouted joints with additional mechanical interlocks are not available. Within this paper the load carrying behavior of axially loaded grouted connections filled with high performance grout materials is introduced. The state-of-the-art for design of grouted connections under prevailing axial loads is presented and the influencing parameters in fatigue of steel members of hybrid connections are identified. Local approaches for fatigue of steel structures are introduced and transferred to fatigue design of steel members in grouted connections. Within the BMU-research project 'GROW-Grouted Structures for Offshore Wind Turbines' several experimental investigations on grouted connections for Offshore Wind Turbines were carried out at the Institute for Steel Construction, Hannover. Preliminary results of ultimate and fatigue tests are presented and used to benchmark different implemented numerical models of grouted connections. Under variable stress distributions fatigue design parameters are numerically conducted and the applicability of local approaches is checked. Finally design recommendations for axially loaded grouted joints are given.
AB - Jacket substructures of Offshore Wind Turbines are connected to the foundation piles by grouted connections with high performance grout fillings. Geometric dimensions and material strength of these connections deviate from current offshore design standards. Valid design recommendations for the fatigue design of grouted joints with additional mechanical interlocks are not available. Within this paper the load carrying behavior of axially loaded grouted connections filled with high performance grout materials is introduced. The state-of-the-art for design of grouted connections under prevailing axial loads is presented and the influencing parameters in fatigue of steel members of hybrid connections are identified. Local approaches for fatigue of steel structures are introduced and transferred to fatigue design of steel members in grouted connections. Within the BMU-research project 'GROW-Grouted Structures for Offshore Wind Turbines' several experimental investigations on grouted connections for Offshore Wind Turbines were carried out at the Institute for Steel Construction, Hannover. Preliminary results of ultimate and fatigue tests are presented and used to benchmark different implemented numerical models of grouted connections. Under variable stress distributions fatigue design parameters are numerically conducted and the applicability of local approaches is checked. Finally design recommendations for axially loaded grouted joints are given.
KW - Connections
KW - Fatigue
KW - Grouted Joints
KW - Local approaches
KW - Offshore
UR - http://www.scopus.com/inward/record.url?scp=84870038755&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:84870038755
SN - 9781617823107
T3 - European Wind Energy Conference and Exhibition 2010, EWEC 2010
SP - 2396
EP - 2421
BT - European Wind Energy Conference and Exhibition 2010, EWEC 2010
T2 - European Wind Energy Conference and Exhibition 2010, EWEC 2010
Y2 - 20 April 2010 through 23 April 2010
ER -