Analysis of circular concrete-filled steel tube (CFT) support in high ground stress conditions

Xu, Chang; Luo, Xulin; Zhu, Changxing; Tang, Chun’an

doi:10.1016/j.tust.2014.04.002

Cited by 71 publications

(21 citation statements)

References 23 publications

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“…Skills. FE models are established using the ABAQUS program [22], which is extensively adopted in analyzing rock and composite structures (Chang et al [13,14]). Steel beams are modeled by using four-node reduced integral format shell elements (S4R).…”

Section: Modelmentioning

confidence: 99%

“…Zhu et al [12] presented a numerical study on the property of studs and its application to steel-concrete composite beams. Chang et al [13,14] investigated the property of rock and composite structures through ABA-QUS. Mirza and Uy [15] researched the mechanical behavior of composite beam-column flush end-plate connections subjected to high-consequence, low-probability loading via ABAQUS.…”

Section: Introductionmentioning

confidence: 99%

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Flexural Capacity of Steel‐Concrete Composite Beams under Hogging Moment

Liu

Ding

Liu

et al. 2019

Advances in Civil Engineering

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This study investigates the flexural strength of simply supported steel-concrete composite beams under hogging moment. A total of 24 composite beams are included in the experiments, and ABAQUS software is used to establish finite element (FE) models that can simulate the mechanical properties of composite beams. In a parametric study, the influences of several major parameters, such as shear connection degree, stud arrangement and diameter, longitudinal and transverse reinforcement ratios, loading manner, and beam length, on flexural strength were investigated. Thereafter, three standards, namely, GB 50017, Eurocode 4, and BS 5950, were used to estimate the flexural strength of the composite beams. These codes were also compared with experimental and numerical results. Results indicate that GB 50017 may provide better estimations than the other two codes.

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Section: Modelmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Flexural Capacity of Steel‐Concrete Composite Beams under Hogging Moment

Liu

Ding

Liu

et al. 2019

Advances in Civil Engineering

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“…High rise buildings [1,2], deep underground tunnels [3], bridges [4,5] and towers [6] are some examples of structures in which CFST columns are deployed as main load carrying members. High energy absorption capacity, stiffness and ductility of CFST columns motivate engineers to adopt such members in earthquake prone zones [6,7].…”

Section: Introductionmentioning

confidence: 99%

Experimental behaviour of circular concrete filled steel tube columns and design specifications

Ekmekyapar

AL-Eliwi

2016

Thin-Walled Structures

150

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“…erefore, arch-bolt-shotcrete combined support became a common used reinforced support style for the above conditions. e supporting arches mainly include the traditional U-shaped steel arch [3][4][5] and the new developed concrete-filled steel tubular arch [6][7][8][9]. But sometimes this kind of high-strength support still cannot prevent the roadway deformation and failure.…”

Section: Introductionmentioning

confidence: 99%

Failure Mechanism and Optimization of Arch‐Bolt Composite Support for Underground Mining Tunnel

Mei

Yang

et al. 2020

Advances in Civil Engineering

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Numerical simulation tests were performed on the arch-bolt combined supported mining tunnel through an improved numerical simulation approach. The typical soft rock roadway was took as the background, and the influencing factors such as ground stress level, lateral pressure coefficient, and support type and parameters were considered. The failure mechanism of a semicircular roadway with two straight walls was analyzed; results showed that the arch legs’ inward bending deformation and the arch-rock separation are the breakthrough of the global failure of the supporting system, and rock bolts breakage promoted the failure process. The effects of different controlling measures were analyzed including enlarging the bolt diameter, replacing the conventional bolts with energy-absorbing bolts, and setting arch locking bolts on the arch legs. The field test of the concrete-filled steel tube (CFST) arch-bolt composite support scheme was carried out in a high-stress soft rock roadway, and the results indicate the reliability of the main conclusions.

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Analysis of circular concrete-filled steel tube (CFT) support in high ground stress conditions

Cited by 71 publications

References 23 publications

Flexural Capacity of Steel‐Concrete Composite Beams under Hogging Moment

Flexural Capacity of Steel‐Concrete Composite Beams under Hogging Moment

Experimental behaviour of circular concrete filled steel tube columns and design specifications

Failure Mechanism and Optimization of Arch‐Bolt Composite Support for Underground Mining Tunnel

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