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Author:

Liu, Xue-Chun (Liu, Xue-Chun.) | Zhu, Ya-Nan (Zhu, Ya-Nan.) | Chen, Xuesen (Chen, Xuesen.) | Li, Yong-Mei (Li, Yong-Mei.)

Indexed by:

EI Scopus SCIE

Abstract:

Bolted connections are convenient for construction, but traditional bolted end-plate joints require gaps for construction, which may cause construction difficulties and installation stress. Bolted T-stub joints could avoid the installation stress, but use more bolts. Improving the traditional bolted T-stub joints, a bolted beam-tocolumn joint configuration using double-web T-stubs and pallets, with less bolts required, was proposed. Cyclic tests and finite element analysis were conducted to analyze the effect of stiffeners, the column web thickness, the end plate thickness of T-stubs and L-stubs, and the beam flange bolt quantity on the performances of the novel joint, e. g. the deformation characteristics, the hysteresis curve, the skeleton curve, the slipping resistance, the yield resistance, the ultimate resistance, the ductility and the rotational capacity. According to the results, the joint could be designed as rigid under small earthquakes or wind loads, and may dissipate the energy mainly through slipping under moderate and large earthquakes to reduce the plastic deformation demand of the beams. Stiffeners of the double-web T-stubs and pallets can increase the joint stiffness and energy dissipation capacity, and more bolts on the beam flanges can increase the joint energy dissipation capacity and resistance. Formulas to calculate the slipping resistance, the yield resistance and the ultimate resistance are derived, providing results are in good agreements with the experimental and finite element results.

Keyword:

Double-web T -stub Seismic performance Bolted connection Cyclic tests Beam-to-column joint

Author Community:

  • [ 1 ] [Liu, Xue-Chun]Beijing Univ Technol, Beijing Engn Res Ctr High Rise & Large Span Prest, Beijing 100124, Peoples R China
  • [ 2 ] [Zhu, Ya-Nan]Beijing Univ Technol, Beijing Engn Res Ctr High Rise & Large Span Prest, Beijing 100124, Peoples R China
  • [ 3 ] [Chen, Xuesen]Beijing Univ Technol, Beijing Engn Res Ctr High Rise & Large Span Prest, Beijing 100124, Peoples R China
  • [ 4 ] [Li, Yong-Mei]Beijing Univ Technol, Beijing Engn Res Ctr High Rise & Large Span Prest, Beijing 100124, Peoples R China

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Source :

JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH

ISSN: 0143-974X

Year: 2022

Volume: 191

4 . 1

JCR@2022

4 . 1 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:49

JCR Journal Grade:2

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 10

SCOPUS Cited Count: 11

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 6

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