Bending behaviour of precast concrete segmental girders with steel rebars through epoxy joints

Duanmu, Xiangyong; Xu, Dong; Qiu, Tijun; Zou, Yu

doi:10.1016/j.istruc.2024.106491

Structures

2024

DOI: 10.1016/j.istruc.2024.106491

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Bending behaviour of precast concrete segmental girders with steel rebars through epoxy joints

Xiangyong Duanmu,

Dong Xu,

Tijun Qiu

et al.

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Cited by 1 publication

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Study on Mechanical Properties of Prefabricated Lattice Beam Joint

Gu,

Kang,

Huang

et al. 2024

Buildings

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The slope protection structure of the prefabricated lattice beam is one of the most widely used and studied systems in slope structure, with the connection between the lattice beam joint and the longitudinal and transverse beams being critical for structural performance and stability in engineering applications. Because the prefabricated structure is weak in its structural integrity, it is necessary to study the influence of prefabricated lattice beam joints and the longitudinal and transverse beams on the overall mechanical properties of the structure. In this paper, one ordinary cast-in-place concrete beam and six prefabricated beams with different joint-connection modes are designed, and the influence of different connection modes on the bending capacity of the beams is accordingly explored. Moreover, the flexural capacity, bending stiffness change, ductility, and energy absorption capacity of the beams are analyzed through three-point bending test. The test results show that the connection mode at the joints could significantly affect the overall mechanical properties of the structure. By embedding holes in steel sleeves, filling cement mortar in the middle, and using steel plates with a thickness of 16 mm for anchoring treatment joints of end plates, the specimen beams are thus obtained with the same flexural capacity, ductility, and energy absorption capacity as ordinary cast-in-place concrete beams. This study provides valuable insights into optimizing connection methods for prefabricated beams, which can lead to improved structural performance and wider adoption of prefabricated structures in the construction industry.

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Study on Mechanical Properties of Prefabricated Lattice Beam Joint

Gu,

Kang,

Huang

et al. 2024

Buildings

View full text Add to dashboard Cite

show abstract

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Bending behaviour of precast concrete segmental girders with steel rebars through epoxy joints

Cited by 1 publication

References 30 publications

Study on Mechanical Properties of Prefabricated Lattice Beam Joint

Study on Mechanical Properties of Prefabricated Lattice Beam Joint

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