Axial compressive behaviours of steel–concrete-steel sandwich composite walls with novel enhanced C-channels

Yan, Jia‐Bao; Chen, Anzhen; Wang, Tao

doi:10.1016/j.istruc.2020.08.070

Cited by 20 publications

(1 citation statement)

References 28 publications

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“…Yan et al [27] recommended theoretical models to obtain the ultimate compressive bearing capacity of sandwiched concrete in DSCWs, which took into account the constraints of the steel plate working with overlapped headed studs on the sandwiched concrete. Yan et al [28][29] proposed novel EC connectors incorporated into the DSCSWs and developed theoretical models to predict the ultimate compressive bearing capacity.…”

Section: Introductionmentioning

confidence: 99%

Numerical and Theoretical Studies on Double Steel Plate Composite Walls Under Compression at Low Temperatures

2021

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Double steel plate composite walls (DSCWs) with several unique types of connectors have been implemented to protect offshore oil exploration platforms from concentric forces caused by ice in the Arctic region. This paper investigates the compressive perfor-mance of DSCWs with interlocked J-hooks and overlapped headed studs at low temperatures ranging from 20 ℃ to -80 ℃ with nonlinear finite element models (FEMs). The intricate geometric size of the concrete, multiple interactions of the concrete with the connectors, and material nonlinearities of the concrete have been thoroughly simulated. The reasonable consistency between the results of the monotonic tests and finite element analysis (FEA) on nine DSCWs with interlocked J-hooks and seven DSCWs with overlapped headed studs indicates that the FEMs can effectively predict the compressive performance of the DSCWs at low temper-atures. On the basis of the validated FEMs, the effects of the horizontal and vertical spacing of the connectors on the compressive performance of the DSCWs are studied. Finally, theoretical models of the load-displacement curves are developed to reveal the compressive response of DSCWs at low temperatures with different types of connectors, taking into account the restraining effect of steel plates on the inner concrete and the local buckling of steel plates. Compared with previous tests and FEA, the developed theoretical models have reasonable consistency for the load-displacement curves of DSCWs at low temperatures.

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Section: Introductionmentioning

confidence: 99%

Numerical and Theoretical Studies on Double Steel Plate Composite Walls Under Compression at Low Temperatures

2021

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Finite element analysis of rectangular and flanged steel‐concrete shear walls under cyclic loading

Asgarpoor

Gharavi

Epackachi

et al. 2021

Structural Design Tall Build

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Summary The seismic performance of steel‐plate concrete (SC) shear walls is numerically investigated for various SC wall geometrical shapes. Steel faceplates and infill concrete are two main components of SC walls; a full connection between steel and concrete is required for composite action. A comprehensive set of SC wall specimens with different cross‐sectional shapes and geometrical properties were tested in the literature for evaluating their seismic behavior. The numerical responses of 17 tested SC walls, including rectangular, T‐shaped, and flanged walls, isolated and coupled walls, with and without boundary elements and endplates, subjected to cyclic lateral loading and a wide range of axial load ratio from 0.065 to 0.4, are evaluated using a finite element‐based software, LS‐DYNA. The predicted force‐displacement diagrams, failure modes, and damping ratios of the finite element models reasonably match the test observations. Also, three main analysis and design issues are evaluated, including the effect of coefficient of friction between concrete and steel faceplates, the effect of modeling pullout of shear studs from the concrete on the global response of SC walls, and the importance of the presence of shear studs and tie rods and the possible changes that may happen by changing the connector spacing to faceplate thickness ratio.

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The behaviour of hybrid fibre-reinforced foam concrete wall panels under axial load

Thiagu,

Madhavi

2023

Asian J Civ Eng

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Axial compressive behaviours of steel–concrete-steel sandwich composite walls with novel enhanced C-channels

Cited by 20 publications

References 28 publications

Numerical and Theoretical Studies on Double Steel Plate Composite Walls Under Compression at Low Temperatures

Numerical and Theoretical Studies on Double Steel Plate Composite Walls Under Compression at Low Temperatures

Finite element analysis of rectangular and flanged steel‐concrete shear walls under cyclic loading

The behaviour of hybrid fibre-reinforced foam concrete wall panels under axial load

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