Details
| Original language | English |
|---|---|
| Title of host publication | Insights and Innovations in Structural Engineering, Mechanics and Computation - Proceedings of the 6th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2016 |
| Editors | Alphose Zingoni |
| Pages | 544-549 |
| Number of pages | 6 |
| Publication status | Published - 2016 |
| Event | 6th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2016 - Cape Town, South Africa Duration: 5 Sept 2016 → 7 Sept 2016 |
Publication series
| Name | Insights and Innovations in Structural Engineering, Mechanics and Computation - Proceedings of the 6th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2016 |
|---|
Abstract
Grouted connections as tube-to-tube connections with high strength grout filling are often used for connections in support structures of offshore wind turbines or platforms. To increase the load bearing capacity of grouted connections, weld seams as shear keys are installed at the opposing tubular surfaces. Regarding the fatigue design of the steel members, shear keys have to be considered as local notches and may become design relevant. As a drawback, no validated S/N curves for shear keys exist. Within a research scholarship at the Institute for Steel Construction, a test rig for static pull out tests of shear keys was developed. Different shear key shapes were investigated experimentally and local strains were measured. Test results allowed the validation of numerical models which were used for the calculation of notch stresses. Based on this, synthetic S/N curves for shear keys were derived. The investigations show that numerical models can be validated sufficiently with the test results. The fatigue resistance of shear keys depends on the shear key shape. Calculated synthetic S/N curves are slightly below a detail category 71 according to EN 1993-1-9.
ASJC Scopus subject areas
- Engineering(all)
- Mechanical Engineering
- Engineering(all)
- Civil and Structural Engineering
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Insights and Innovations in Structural Engineering, Mechanics and Computation - Proceedings of the 6th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2016. ed. / Alphose Zingoni. 2016. p. 544-549 (Insights and Innovations in Structural Engineering, Mechanics and Computation - Proceedings of the 6th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2016).
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - Derivation and validation of synthetic S/N curves for shear keys in grouted connections
AU - Lochte-Holtgreven, Stephan
AU - Schaumann, Peter
AU - Kulikowski, Jan
PY - 2016
Y1 - 2016
N2 - Grouted connections as tube-to-tube connections with high strength grout filling are often used for connections in support structures of offshore wind turbines or platforms. To increase the load bearing capacity of grouted connections, weld seams as shear keys are installed at the opposing tubular surfaces. Regarding the fatigue design of the steel members, shear keys have to be considered as local notches and may become design relevant. As a drawback, no validated S/N curves for shear keys exist. Within a research scholarship at the Institute for Steel Construction, a test rig for static pull out tests of shear keys was developed. Different shear key shapes were investigated experimentally and local strains were measured. Test results allowed the validation of numerical models which were used for the calculation of notch stresses. Based on this, synthetic S/N curves for shear keys were derived. The investigations show that numerical models can be validated sufficiently with the test results. The fatigue resistance of shear keys depends on the shear key shape. Calculated synthetic S/N curves are slightly below a detail category 71 according to EN 1993-1-9.
AB - Grouted connections as tube-to-tube connections with high strength grout filling are often used for connections in support structures of offshore wind turbines or platforms. To increase the load bearing capacity of grouted connections, weld seams as shear keys are installed at the opposing tubular surfaces. Regarding the fatigue design of the steel members, shear keys have to be considered as local notches and may become design relevant. As a drawback, no validated S/N curves for shear keys exist. Within a research scholarship at the Institute for Steel Construction, a test rig for static pull out tests of shear keys was developed. Different shear key shapes were investigated experimentally and local strains were measured. Test results allowed the validation of numerical models which were used for the calculation of notch stresses. Based on this, synthetic S/N curves for shear keys were derived. The investigations show that numerical models can be validated sufficiently with the test results. The fatigue resistance of shear keys depends on the shear key shape. Calculated synthetic S/N curves are slightly below a detail category 71 according to EN 1993-1-9.
UR - http://www.scopus.com/inward/record.url?scp=85013041606&partnerID=8YFLogxK
U2 - 10.1201/9781315641645-90
DO - 10.1201/9781315641645-90
M3 - Conference contribution
AN - SCOPUS:85013041606
SN - 9781138029279
T3 - Insights and Innovations in Structural Engineering, Mechanics and Computation - Proceedings of the 6th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2016
SP - 544
EP - 549
BT - Insights and Innovations in Structural Engineering, Mechanics and Computation - Proceedings of the 6th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2016
A2 - Zingoni, Alphose
T2 - 6th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2016
Y2 - 5 September 2016 through 7 September 2016
ER -