Experimental and numerical investigation of the damping properties of adhesively bonded tubular steel joints

Damm, J. Z.; Albiez, Matthias; Ummenhofer, Thomas; Göddecke, Johannes; Meschut, Gerson; Kötz, Fabian; Matzenmiller, Anton

doi:10.1080/00218464.2023.2178909

Cited by 4 publications

(3 citation statements)

References 31 publications

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“…Adhesive bonding of CHS is in the focus of recent research [3,4]. For offshore applications, grouted joints are commonly used.…”

Section: Joining Methods For Circular Hollow Sectionsmentioning

confidence: 99%

Fatigue behaviour of hybrid grouted joints under axial loading

Boretzki,

Albiez,

Damm

et al. 2023

ce papers

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Steel constructions made of circular hollow sections are commonly joined by welding or ring‐flange bolting. An additional, novel joining method is the so‐called hybrid grouted joint. The hybrid grouted joint is characterised by its multi‐layered composition. In contrast to state‐of‐the‐art grouted joints, hybrid grouted joints include thin adhesive layers, which are applied on the steel surfaces prior to grouting. Sand grains are embedded in the yet uncured adhesive. After the curing of the adhesive, the surface has a high degree of roughness. This allows a high‐performance interlock between fine grain grout and the adhesively bonded sand granules across the contact surfaces in the overlap area. The ability to transfer loads across a wide area with low stress concentrations makes the hybrid grouted joint a promising joint alternative especially regarding the fatigue performance. This paper summarises the main findings concerning fatigue behaviour of the hybrid grouted joint under axial loading. Wöhler diagrams were determined in numerous fatigue tests for two combinations of adhesive and grout.

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“…Adhesive bonding of CHS is in the focus of recent research [3,4]. For offshore applications, grouted joints are commonly used.…”

Section: Joining Methods For Circular Hollow Sectionsmentioning

confidence: 99%

Fatigue behaviour of hybrid grouted joints under axial loading

Boretzki,

Albiez,

Damm

et al. 2023

ce papers

Self Cite

View full text Add to dashboard Cite

show abstract

“…The bolt is pushed completely through the circular hollow section and the cylindrical insert. The bolt is then pre-tensioned between the circular hollow profile and the insert by screwing two ring-shaped nuts onto the external thread of the insert [12]. The tests are performed in two different test levels.…”

Section: Experimental Investigationsmentioning

confidence: 99%

“…This can be determined using a time-based evaluation from the time offset between an excitation signal (machine force) and a response signal (machine displacement). Additionally an energy-based approach can be used, where stored and dissipated energy per cycle are determined [12].…”

Section: Experimental Investigationsmentioning

confidence: 99%

Optimisation of the damping properties of steel structures using adhesively bonded joints

Damm,

Albiez,

Ummenhofer

2023

ce papers

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Adhesives offer both good damping properties and very high strengths. The possibilities for using the positive damping properties in particular to optimise dynamically stressed steel structures have rarely been explored to date. In this paper, comprehensive numerical and experimental investigations are presented. In numerical investigations on dynamically loaded, representative steel structures, the potential for damping of structures by adhesively bonded joints is analysed. Numerical investigations show that the vibration amplitudes of adhesively bonded structures are more than 95 % lower than those of welded reference structures in the relevant resonance case. Based on this, the damping properties of adhesively bonded tubular steel joints in a scale relevant for construction industry were experimentally investigated. Different geometry and test boundary conditions are investigated in a parameter study. The loss factor of tubular joints is a maximum of 0.38, which is relevant for steel construction. Based on the results of experimental investiga‐tions, a methodology is presented for the analytic determination of the damp‐ing properties of adhesively bonded tubular joints for various specimen ge‐ometries and stress boundary conditions. For this purpose, dimensional anal‐ysis is carried out using the Buckingham Pi Theorem.

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Progress in adhesive-bonded composite joints: A comprehensive review

Karthikeyan,

Naveen

2024

Journal of Reinforced Plastics and Composites

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Among the myriad joining techniques, the adhesive bonding technique is widely used to join complex large-scale composite structures because of its numerous advantages compared to traditional joining techniques. This article profusely analysed the various techniques for ameliorating the performance of composite joints, such as bonding methods (secondary bonding, co-bonding, co-curing, and multi-material bonding), surface modification techniques (plasma, laser surface treatment, surface grinding, etc.), additional reinforcement techniques (Z pin, wire mesh, nanofiller, etc), and different joint geometries (stepped joints, half-stepped joints, balanced joints, and scarf joints). Also, the effect of various adhesives and fabrication techniques on the static and dynamic performance of CFRP and GFRP-based joints was studied in detail. Moreover, this review addresses the finite element modelling and optimisation techniques on adhesively bonded joints. It has been observed that the bonding methods, surface modification to enhance the roughness of the adherend, addition of nanofillers, and variations in joint geometry greatly influence the shear strength, fracture toughness, fatigue, and vibration behaviour of FRP composite joints.

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Experimental and numerical investigation of the damping properties of adhesively bonded tubular steel joints

Cited by 4 publications

References 31 publications

Fatigue behaviour of hybrid grouted joints under axial loading

Fatigue behaviour of hybrid grouted joints under axial loading

Optimisation of the damping properties of steel structures using adhesively bonded joints

Progress in adhesive-bonded composite joints: A comprehensive review

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