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Author:

Liu, X. C. (Liu, X. C..) (Scholars:刘学春) | Pu, S. H. (Pu, S. H..) | Zhang, A. L. (Zhang, A. L..) | Xu, A. X. (Xu, A. X..) | Ni, Z. (Ni, Z..) | Sun, Y. (Sun, Y..) | Ma, L. (Ma, L..)

Indexed by:

EI Scopus SCIE

Abstract:

This study proposes a type of bolted-welded beam-column joint for modularized prefabricated multi-rise and high-rise steel structures. The components in the same module are welded in the factory, and the modules are quickly assembled using the proposed joint at site. The static performance, hysteretic performance, skeleton curves, ductile performance, energy dissipation capacity, rotation capacity and stiffness degradation patterns of four joints are obtained by model experiment and finite element analyses, and the effect of thicknesses of the chords and web members on the static and seismic performance of the joint as well as the effect of welding quality are investigated. The results show that due to the presence of the bolted connecting parts, the proposed joints maintain relatively good seismic performance including ductile performance, energy dissipation capacity and plastic rotation capacity, and good static bearing capacity after the welding seams fracture, so they can be used in structures of seismic zones. Reducing the thicknesses of the chord and the web members can significantly decrease the load-bearing capacity of the joint; however, this decrease is not proportional to the decrease of the cross-sectional area. In addition, reducing the thicknesses of the chord and web members has no significant impact on the ductile performance and energy dissipation capacity of the joint. Simplified computation formulas for load-bearing capacity of the joint were proposed and the computation results get along well with the experimental results. (C) 2015 Elsevier Ltd. All rights reserved.

Keyword:

Experimental study Bolted-welded truss-column joint Seismic capacity Simplified calculation Prefabricated steel structure Static performance

Author Community:

  • [ 1 ] [Liu, X. C.]Beijing Univ Technol, Beijing Engn Res Ctr High Rise & Large Span Prest, Beijing 100024, Peoples R China
  • [ 2 ] [Pu, S. H.]Beijing Univ Technol, Beijing Engn Res Ctr High Rise & Large Span Prest, Beijing 100024, Peoples R China
  • [ 3 ] [Zhang, A. L.]Beijing Univ Technol, Beijing Engn Res Ctr High Rise & Large Span Prest, Beijing 100024, Peoples R China
  • [ 4 ] [Xu, A. X.]Beijing Univ Technol, Beijing Engn Res Ctr High Rise & Large Span Prest, Beijing 100024, Peoples R China
  • [ 5 ] [Ni, Z.]Beijing Univ Technol, Beijing Engn Res Ctr High Rise & Large Span Prest, Beijing 100024, Peoples R China
  • [ 6 ] [Sun, Y.]Beijing Univ Technol, Beijing Engn Res Ctr High Rise & Large Span Prest, Beijing 100024, Peoples R China
  • [ 7 ] [Ma, L.]Beijing Univ Technol, Beijing Engn Res Ctr High Rise & Large Span Prest, Beijing 100024, Peoples R China

Reprint Author's Address:

  • 刘学春

    [Liu, X. C.]Beijing Univ Technol, Beijing 100024, Peoples R China

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Source :

JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH

ISSN: 0143-974X

Year: 2015

Volume: 115

Page: 417-433

4 . 1 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:174

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 79

SCOPUS Cited Count: 93

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 6

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