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作者:

Jia Suizi (Jia Suizi.) | Cao Wanlin (Cao Wanlin.) (学者:曹万林) | Liu Zibin (Liu Zibin.)

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摘要:

This study developed a low-energy consumption composite wall structure constructed with a pre-fabricated lightweight steel frame that is suitable for houses in villages and towns and evaluated its anti-seismic performance. A low-reversed cyclic-loading test was conducted on four full-scale prefabricated structure specimens, including a lightweight, concrete-filled steel tube (CFST) column frame specimen (abbreviated as SFCF), a lightweight CFST column frame composite wall specimen (abbreviated as SFCFW), an H-steel column frame specimen (abbreviated as HSCF) and an H-steel column frame composite wall specimen (abbreviated as HSCFW). The failure characteristics, hysteretic behaviour, strength, rigidity, ductility and energy dissipation capacity of each specimen were compared and analysed. The results demonstrated that the pre-fabricated, double L-shaped beam-column joint with a stiffener rib which was proposed in this study worked reliably and exhibited good anti-seismic performance. The yield, ultimate and frame yield loads of the specimen SFCFW were 1.72, 1.80 and 2.03 times higher than those of specimen SFCF. The yield load, ultimate load and frame yield loads of specimen HSCFW were 1.27, 1.68 and 1.82 times higher than those of specimen HSCF. This indicates that the embedded composite wall contributed significantly to the horizontal bearing capacities of the SFCF and HSCF specimens. The embedded composite wall was divided into multiple strip-shaped composite panels during failure and achieved a stable support for the frame in the later stages of elastoplastic deformation. The horizontal strips of the tongue-and-groove connection between the strip-shaped composite panels produced reciprocating bite displacements, and ultimately improved the structure's energy dissipation capacity significantly.

关键词:

houses in villages and towns pre-fabricated lightweight steel frame anti-seismic performance low-energy consumption composite wall structure strip-shaped composite panel

作者机构:

  • [ 1 ] [Jia Suizi]China Univ Geosci Beijing, Sch Engn & Technol, 29 Xueyuan Rd, Beijing 100083, Peoples R China
  • [ 2 ] [Cao Wanlin]Beijing Univ Technol, Coll Architecture & Civil Engn, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 3 ] [Liu Zibin]Shandong Prov Architectural Design Ltd Liabil Co, 2 Jingsi Rd, Jinan 250001, Shandong, Peoples R China

通讯作者信息:

  • 曹万林

    [Cao Wanlin]Beijing Univ Technol, Coll Architecture & Civil Engn, 100 Pingleyuan, Beijing 100124, Peoples R China

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来源 :

ROYAL SOCIETY OPEN SCIENCE

ISSN: 2054-5703

年份: 2019

期: 4

卷: 6

3 . 5 0 0

JCR@2022

JCR分区:2

被引次数:

WoS核心集被引频次: 3

SCOPUS被引频次: 4

ESI高被引论文在榜: 0 展开所有

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