Experimental study of sustainable high strength steel flush end plate beam-to-column composite joints with deconstructable bolted shear connectors

Ataei, Abdolreza; Bradford, Mark A.; Valipour, Hamid; Liu, Xinpei

doi:10.1016/j.engstruct.2016.05.035

Cited by 72 publications

(16 citation statements)

References 20 publications

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“…In order to incorporate the effects of partial shear connection in this method, the strength of the longitudinal reinforcing bars located in the precast concrete slab was limited by the shear strength of the bolted shear connectors. Because of this, based on the experimental results achieved by Ataei et al [4][5][6][7], when the yield strength of the reinforcement (F rb ) is 1.5 times that of the shear strength of the bolted shear connectors (F bsc ), F rb can be obtained from 1.5…”

Section: Component-based Modellingmentioning

confidence: 99%

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Deconstructable Flush End Plate Beam-to-Column Composite Joints: Component- Based Modelling

Bradford¹,

Ataei²,

Liu³

2018

Proceedings 12th International Conference on Advances in Steel-Concrete Composite Structures - ASCCS 2018

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Within a paradigm of designing building structures for their end-of-life deconstruction, thispaper addresses flush end plate beam-to-column composite joints that may be dis-assembledand reused elsewhere. The joints consist of steel beams bolted to steel columns, and these aremade composite over the joint with precast concrete slabs attached to the top flange of thesteel beams with post-tensioned high strength bolted shear connectors installed in clearanceholes. Joints of this type experience partial shear connection, and accordingly their designneeds to incorporate this effect. Experimental work reported elsewhere by the authors showsthat a structural system of this type may indeed be deconstructed, even when loaded beyondthe serviceability limit state, and that the moment-rotation response is both robust andductile. A numerical modelling using ABAQUS software is introduced in the paper, and theresults of this are used identify the parameters most influential in the structural response,and to propose equations for the initial stiffness, moment capacity and rotation capacity of ajoint. These equations are consistent with the component-based representation of theEurocode 4 and draft Australian AS2327 composite structures standard.

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Section: Component-based Modellingmentioning

confidence: 99%

“…In regions of hogging bending at a column ( Fig. 1), the use of flush end plate bolted connections also allows for unbolting to expedite deconstruction [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Deconstructable Flush End Plate Beam-to-Column Composite Joints: Component- Based Modelling

Bradford¹,

Ataei²,

Liu³

2018

Proceedings 12th International Conference on Advances in Steel-Concrete Composite Structures - ASCCS 2018

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“…For steel structural engineering, a great deal of attention has been paid to the weak joints [10,11]. Ataei et al [12] pointed out that a new joint should provide high-strength and ductility through an experimental study. Grimsmo et al [13] concluded that the joints at a key position should have better plasticity and impact resistance under extreme impulsive loads.…”

Section: Introductionmentioning

confidence: 99%

Mechanical Behaviors of a Symmetrical Bolt Fasten Wedge Active Joint for Braced Excavations

Zhang

Yang

et al. 2020

Symmetry

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Joint-failure of steel tube bracing structures usually causes an excavation accident. A symmetrical bolt fasten wedge (BFW) active joint has been innovatively developed in this paper, which overcomes the shortcomings of the traditional steel wedge (SW) active joint. Three full-scale BFW active joint specimens were manufactured for field operation tests. The test results show that the proposed active joint had a good construction feasibility and a wide applicability. After the field operation tests, axial compression experiments were implemented. Meanwhile, a series of numerical simulations were performed. The numerical results agreed with that of the experiments. Both showed that the working principle and mechanical principle of the BFW active joint was reasonable and ingenious; it had outstanding mechanical properties. Overall, the BFW active joint had the advantages of structure and mechanical properties, and it is suitable for popularization and application.

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“…The construction industry is one of the largest consumers of natural resources and energy, and is one of the major producers of solid waste and greenhouse gasses. Because of this, the last few decades have witnessed research attempts to develop and use more energy-efficient construction materials with a lower carbon footprint and the devising of structural systems that can reduce construction waste by facilitating the reuse and recycling of the construction materials [1][2][3]. In particular, the possibility of replacing ordinary Portland cement concrete by a "green" alternative (such as geopolymer concrete) [4][5][6] with a lower carbon footprint and the use of sustainable and environmental-friendly materials such as engineered timber beams (e.g.…”

Section: Introductionmentioning

confidence: 99%

08.27: Steel‐timber composite (STC) beams: Numerical simulation of long‐term behaviour

et al. 2017

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Conventional steel-concrete composite floors comprising of steel sections and sheeting, cast in situ concrete and embedded stud shear connectors are made from energy-and carbonintensive construction materials, viz. concrete and steel. Replacing conventional reinforced concrete floors with solid timber, in particular cross-laminated timber (CLT) with improved stability and structural characteristics, can significantly increase the speed of construction, reduce the need for rigging and craneage and also lower the self-weight of the building, the size of the columns and foundations and therefore the overall carbon footprint of the building. However, experimental data on the short-and long-term structural performance of steel-timber composite (STC) floors under service loading conditions are scarce and no long-term theoretical analyses of steel-timber composite floors have been reported hitherto in the literature. Accordingly, non-linear 1-D frame finite element models are developed in this paper, and validated against experimental data on timber and hybrid timber composite beams. The numerical tool is then employed to predict the long-term stiffness and load-deflection response of STC floors under service loading conditions. A parametric study is carried out and the influence of the stiffness of the shear connectors, timber shrinkage, creep, hydro-expansion and mechano-sorptive effect on the long-term behaviour of the STC beams are investigated.

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Experimental study of sustainable high strength steel flush end plate beam-to-column composite joints with deconstructable bolted shear connectors

Cited by 72 publications

References 20 publications

Deconstructable Flush End Plate Beam-to-Column Composite Joints: Component- Based Modelling

Deconstructable Flush End Plate Beam-to-Column Composite Joints: Component- Based Modelling

Mechanical Behaviors of a Symmetrical Bolt Fasten Wedge Active Joint for Braced Excavations

08.27: Steel‐timber composite (STC) beams: Numerical simulation of long‐term behaviour

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