Hybrid joining of jacket structures for offshore wind turbines – Determination of requirements and adhesive characterisation

Albiez, Matthias; Damm, J. Z.; Ummenhofer, Thomas; Kaufmann, Marvin; Vallée, Till; Myslicki, Sebastian

doi:10.1016/j.engstruct.2022.114186

Cited by 17 publications

(10 citation statements)

References 43 publications

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“…Special attention is paid to the numerical calculations carried out at KIT to analyse the stresses in a real jacket as well as the experimental investigations on K-joint test specimens with hybrid joints. All research results are fully detailed in [7][8][9].…”

Section: Foundations For Offshore Wind Turbinesmentioning

confidence: 99%

“…It can be seen that based on the results of the numerical investigations, both a highly stiff, structural adhesive (Körapur 4W LV) and an elastic adhesive with significantly lower stiffness (Sika F51) were selected. More detailed information on the adhesives can be found in [8,23].…”

Section: Adhesive Selection and Characterizationmentioning

confidence: 99%

“…The project also involved further investigations of the fatigue and durability of the connection [7,8,23]. These can only be briefly addressed in this paper.…”

Section: Further Investigations Of Fatigue and Ageing Loadsmentioning

confidence: 99%

“…In the context of this contribution, two recently completed research projects are presented in which adhesive bonding was advantageously combined with classic joining processes. First, an innovative hybrid brace connection for offshore jackets is presented which combines welding, bolting and bonding [7,8]. After that, a novel hybrid grouted joint is presented in which inorganic grout materials and organic adhesives are used in combination in lap joints for the first time [9].…”

Section: Introductionmentioning

confidence: 99%

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Hybrid connection technologies for hollow sections in steel construction

2022

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Circular hollow sections (CHS) offer a variety of constructional and architectural advantages. Up to now, hollow section structures have usually been connected by welding, and more rarely by bolting. However, these established connection methods have disadvantages. Despite its great success in the mobility sector, adhesive bonding is not yet used for joining hollow steel sections in steel construction. Adhesive bonding, however, has significant advantages, especially if combined with classical joining processes. To highlight these advantages, this article presents excerpts from the results obtained in two recently completed research projects. First, a hybrid brace connection for hollow section framework structures is presented which combines welding, bolting and adhesive bonding methods. In addition, the loadbearing behaviour of a novel hybrid grouted connection, which advantageously combines adhesive and grout materials, is analysed and discussed in this paper.

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Section: Foundations For Offshore Wind Turbinesmentioning

confidence: 99%

Section: Adhesive Selection and Characterizationmentioning

confidence: 99%

“…The project also involved further investigations of the fatigue and durability of the connection [7,8,23]. These can only be briefly addressed in this paper.…”

Section: Further Investigations Of Fatigue and Ageing Loadsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Hybrid connection technologies for hollow sections in steel construction

2022

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“…When we examine fasteners in general, we notce that there are many fastening methods, and some of them are used as main methods. Firstly rivets, then bolts, and then welded joints are used (Albiez et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Experimental and numerical analysis of bolted two plates using a developed shear theory

TANRIVER,

2023

Journal of Theoretical and Applied Mechanics

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In this study, a software has been developed for calculating static strength of bolted steel plates. This software has been developed by adding equations covering the bending moment that occurs during a tensile test as well as under real loading conditions. In order to test the accuracy of this program, 5 samples with the M6 bolt connection were prepared. In addition, the simulation result was compared with the experimental work performed with tensile tests and the finite element analysis made in Ansys.

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Adhesive bonding of secondary steel components for offshore wind turbines

Albiez,

Boretzki,

Ummenhofer

2023

ce papers

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Offshore wind turbines consist of the main components tower, nacelle and rotor blades. Additionally, numerous secondary components are connected to the primary structure. These include amongst others boat landings, platforms, cable protection tubes and corrosion protection systems. Usually, these elements are connected to the primary structure by welding or bolts. Both joining techniques reduce the fatigue performance of the primary structure by inducing geometric and/or metallurgical notches. In contrast, by fastening the secondary components by adhesive bonding, no geometric or metallurgical notches are induced in the primary structure. Furthermore, the bonding can be carried out directly on the coating. In contrast to welded or bolted joints, adhesively bonded joints require a differing geometry that allows large bonding areas. This paper highlights the results of experimental investigations regarding the load bearing behaviour of adhesively bonded secondary components under a combination of lateral load and bending varying different geometrical parameters.

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Hybrid joining of jacket structures for offshore wind turbines – Determination of requirements and adhesive characterisation

Cited by 17 publications

References 43 publications

Hybrid connection technologies for hollow sections in steel construction

Hybrid connection technologies for hollow sections in steel construction

Experimental and numerical analysis of bolted two plates using a developed shear theory

Adhesive bonding of secondary steel components for offshore wind turbines

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