Shear Behavior of U-Shaped Steel–Concrete Composite Beams with Positive and Negative Loading

Zhao, Yukun; Li, Zhenbao; Ma, Hua; Kan, Jiping; Zhang, Nana

doi:10.1007/s40999-022-00723-2

Cited by 6 publications

(1 citation statement)

References 29 publications

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“…Efforts are currently underway to expedite the construction timeline of composite beams. As a result, extensive research is being conducted on U-shaped composite beams, where the steel frame acts as formwork, contributing to an augmented horizontal shear force between the concrete and the steel frame [4][5][6][7][8]. The U-shaped composite beam entails the fabrication of a U-shaped steel frame, which is subsequently filled with concrete.…”

Section: Introductionmentioning

confidence: 99%

Design Methodology of U-Shaped Infilled Composite Beams with Angled Shear Connectors Using Finite Element Analysis

Lee,

Woo,

Shin

et al. 2023

Buildings

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A composite beam is a structural member that behaves as a single unit by using shear connectors between a concrete slab and an I-shaped steel girder. The composite ratio is crucial and is determined by the shear connectors’ ability to withstand the horizontal shear forces between the concrete and steel girder. In this study, a U-shaped composite beam was designed, which differs from conventional composite beams as it allows the use of a steel girder as a formwork. Moreover, angle-type shear connectors, instead of stud-type connectors, were employed. Based on this design, large-scale U-shaped composite beams with angle-type shear connectors were fabricated, and load tests were conducted to analyze the behavior after composite action and the influence of shear connector spacing. Additionally, the strength of the angle-type shear connectors used in this paper was evaluated through finite element analysis. Finally, a strength evaluation method for composite beams of this configuration is proposed.

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Section: Introductionmentioning

confidence: 99%

Design Methodology of U-Shaped Infilled Composite Beams with Angled Shear Connectors Using Finite Element Analysis

Lee,

Woo,

Shin

et al. 2023

Buildings

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Flexural behavior of cold‐formed U‐shaped steel members encasing concrete composite beam using continues stud bolts

Al‐Lami,

Jabir,

Shamsaldeen

et al. 2024

Structural Concrete

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The current paper presents an innovative form of the cold‐formed U‐shape steel encasing concrete composite beam (CUCB). The suggested CUCB consists of a cold‐formed U‐shaped steel encasing plain concrete beam which are connected to each other using continuous transversal threaded stud bolts. The experimental program consisted of eight beam specimens tested in the four‐point bending set‐up. One of them was a normal reinforced concrete beam and considered as a reference specimen while the remaining specimens were CUCB specimens without ordinary flexural and shear reinforcement. Four parameters were studied in this paper: (i) the thickness of the U‐shaped steel, (ii) the spacing between the stud bolts, (iii) the arrangement of the bolts, and (iv) the number of the bolt's rows. Results indicated an overall improvement in the load‐carrying capacity and stiffness of most CUCB specimens in comparison with the reference specimen. It was found that the using of three rows of bolts can significantly improve the ductility and toughness of the CUCB specimen in comparison with two rows of bolts. On the contrary, an increase in the bolt spacing entails a decrease in the CUCB specimens' toughness.

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Structural Performance of Cold Formed Steel Composite Beams with Profiled Steel Sheeting

Karimipanah,

Zeynalian,

Ataei

2024

Int J Civ Eng

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Shear Behavior of U-Shaped Steel–Concrete Composite Beams with Positive and Negative Loading

Cited by 6 publications

References 29 publications

Design Methodology of U-Shaped Infilled Composite Beams with Angled Shear Connectors Using Finite Element Analysis

Design Methodology of U-Shaped Infilled Composite Beams with Angled Shear Connectors Using Finite Element Analysis

Flexural behavior of cold‐formed U‐shaped steel members encasing concrete composite beam using continues stud bolts

Structural Performance of Cold Formed Steel Composite Beams with Profiled Steel Sheeting

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