Composite joints subject to reversal of loading—Part 2: analytical assessments

Liew, J.Y. Richard; Teo, Tang-Lin; Shanmugam, N. E.

doi:10.1016/j.jcsr.2003.08.011

Cited by 25 publications

(26 citation statements)

References 6 publications

(4 reference statements)

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“…Another difference between the two approaches is the definition of the height of concrete to be considered and, accordingly, the position of the centre of compression within the joint. In [4], the centre of compression is assumed to be at mid-height of the concrete slab while in [5], the following procedure is given to compute the position of this point:…”

Section: Proposed Analytical Methodsmentioning

confidence: 99%

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Recent developments in composite connections

Demonceau

Jaspart

Klinkhammer³

et al. 2008

Steel Construction

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SUMMARYIn Eurocode 4 [1], design rules are suggested for the evaluation of the mechanical properties of steel-concrete beam-to-column composite joints (rotational stiffness, resistance and ductility). These rules cover situations where the joints are subjected to moments and shear forces, but in hogging regions only (negative bending moments). Recently, researches have been conducted on the behaviour of composite joints ( Fig. 1) subjected to positive bending moments (called "sagging moments" in the following) and to combined bending moments and axial loads; for instance, these loading situations may appear in composite sway frames respectively under conventional loading and exceptional actions (impact, explosion …) leading to the loss of a structural column [2].In the present paper, the Eurocode 4 design rules are extended to joints in sagging regions and to joints subjected to combined bending moments and axial loads and the proposed methods are validated through comparisons with experimental test results. Also, an easy-to-use and freely available software for the design of composite joints according to the Eurocode 4 principles is described. Fig. 1. Example of composite joint considered in the present article

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Section: Proposed Analytical Methodsmentioning

confidence: 99%

“…The procedure which is described in this section combines two methods proposed respectively by Ferrario [4] and by Richard Liew [5]. The combination of these two methods permits to reflect in a more appropriate way how the concrete resists to the applied load in the vicinity of the joint.…”

Section: Fig 2 Concrete Slab In Compression In the Vicinity Of The mentioning

confidence: 99%

Recent developments in composite connections

Demonceau

Jaspart

Klinkhammer³

et al. 2008

Steel Construction

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“…The procedure which is proposed in this section combines results of two methods suggested by Ferrario [Ferrario 2004] and Liew [Liew et al 2004] respectively. The combination of these two methods permits to reflect in a more appropriate way how the concrete resists to the applied load in the vicinity of the joint.…”

Section: Design Models For Composite Joints Subjected To Sagging Momementioning

confidence: 99%

Composite Joints in Robust Building Frames

Jaspart

Demonceau

2011

Composite Construction in Steel and Concrete VI

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Recent events such as natural catastrophes or terrorism attacks have highlighted the necessity to ensure the structural integrity of buildings under exceptional actions. Accordingly, a European RFCS project entitled "Robust structures by joint ductility" has been set up in 2004, for three years, with the aim to provide requirements and practical guidelines for the design of steel and composite structures under exceptional actions. In this project, the importance of the structural joints has been shown; as a particular case, these ones experience additional high tying forces after the loss of a column, as a result of the development of membrane forces in the beams located just above the damaged column. Moreover a reversal of moments occurs in some joints. In this paper design models for the evaluation of the mechanical properties of joints in such extreme situations are presented. References are made to recent tests on joints in isolation and joints in frames recently achieved at Stuttgart and at Liège University in the framework of the above-mentioned RFCS project.

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“…These tests were performed by , Dubina et al (2002) and Liew et al (2004) and are summarized in Table 5.…”

Section: Description Of the Experimental Testsmentioning

confidence: 99%

“…18,19 in terms of energy dissipation and strength. In the tests performed by Liew et al (2004), the mode failure for joint 8 was excessive panel zone shear deformation and concrete crushing. The spalling of the white wash in the panel zone indicates extensive yielding of the column web.…”

Section: End-plate Joints 5 Tomentioning

confidence: 99%

Calibration of model parameters for the cyclic response of end-plate beam-to-column steel-concrete composite joints

Nogueiro¹,

Silva²,

Bento³

et al. 2009

Steel & Composite structures

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Abstract. Composite joints, considering the composite action of steel and concrete, exhibit, in general, high strength and high ductility. As a consequence, the use of this type of joint has been increasing in many countries, especially in those that are located in earthquake-prone regions. In this paper, a hysteretic model with pinching is presented that is able to reproduce the cyclic response of steel and composite joints. Secondly, the computer implementation and adaptation of the model in a spring element within the computer code Seismosoft is described. The model is subsequently calibrated using a series of experimental test results for composite joints subjected to cyclic loading. Finally, typical parameters for the various joint configurations are proposed.

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Composite joints subject to reversal of loading—Part 2: analytical assessments

Cited by 25 publications

References 6 publications

Recent developments in composite connections

Recent developments in composite connections

Composite Joints in Robust Building Frames

Calibration of model parameters for the cyclic response of end-plate beam-to-column steel-concrete composite joints

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