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作者:

Sun, Guojun (Sun, Guojun.) | Xiao, Shuo (Xiao, Shuo.) | Wu, Jinzhi (Wu, Jinzhi.)

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摘要:

In order to obtain the mechanical properties of truss cable structure under cyclic loading. Taking truss cable structure as the research object, the quasi-static test is carried out. A test model of a truss cable structure with a span of 7.5 m was established. The hysteresis curve, skeleton curve, stiffness degradation and energy dissipation capacity of the structure were analyzed, and the failure mechanism of the structure was obtained. The correctness of the finite element model is verified, and the quasi-static analysis of the truss cable structures with different structural parameters is carried out to obtain the influence law of each parameter on the truss cable structure. The results show that the high-strength cable fully enhances the downward bearing capacity of the truss cable structure, and the difference in the upper and lower hysteretic properties of the truss cable structure is obvious. The bearing capacity and stiffness of the cyclic upward loading are smaller than those of the cyclic downward loading. The failure mode of the truss cable structure is the strength failure of the lower chord member after buckling. The sag and rise have a certain influence on the hysteretic performance of the truss cable structures, and the prestress has no effect on the hysteretic performance.

关键词:

Truss cable structure Low cycle loading Quasi -static test Parametric analysis Finite element simulation

作者机构:

  • [ 1 ] [Sun, Guojun]Beijing Univ Technol, Fac Architecture Civil & Transportat Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Xiao, Shuo]Beijing Univ Technol, Fac Architecture Civil & Transportat Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Wu, Jinzhi]Beijing Univ Technol, Fac Architecture Civil & Transportat Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Sun, Guojun]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 5 ] [Wu, Jinzhi]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China

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来源 :

JOURNAL OF BUILDING ENGINEERING

年份: 2022

卷: 58

6 . 4

JCR@2022

6 . 4 0 0

JCR@2022

JCR分区:1

中科院分区:2

被引次数:

WoS核心集被引频次: 9

SCOPUS被引频次: 11

ESI高被引论文在榜: 0 展开所有

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