叶勇(土木工程系副主任)
  • 学位:工学博士学位
  • 职称:副教授

硕士生导师

学位:工学博士学位
办公地点:土木学科实验大楼505办公室
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职务:土木工程系副主任

学科:结构工程

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Stone prism encased concrete-filled steel tube columns subjected to axial compression
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发表刊物:
Structures
摘要:
A new type of concrete-filled steel tube (CFST) structural member is proposed by replacing the central portion of the infilled concrete with a stone prism. The mechanical behavior of the stone prism encased concrete-filled steel tube (SCFST) members under axial compression was studied through experimental testing. A total of twenty-four stub columns, including eighteen SCFST specimens and six CFST specimens, were subjected to axial compression until failure occurred. The primary parameters considered were the size of the stone prism (s = 75 mm, 100 mm or 125 mm), wall-thickness of the steel tube (t = 6.0 mm, 8.0 mm or 12.0 mm), and concrete strength (fcu = 62.3 MPa or 107.0 MPa). Test results demonstrated the composite actions between the three parts of the member, which significantly enhanced the load-carrying capacity of the SCFST column. The effect of the parameters on the failure mechanism, load-carrying capacity, load versus deformation response, and ductility of the SCFST specimens was researched. Meanwhile, the experimentally obtained axial compressive strength of each SCFST specimen was compared with predicted strengths obtained by adopting the formulae from currently available design codes for conventional CFST columns. These design codes could not precisely predict the load-carrying capacity of SCFST stub columns, and an improved model was proposed.
论文类型:
期刊论文
页面范围:
2021,33:1853-1867
是否译文:
收录刊物:
SCI
第一作者:
叶勇
合写作者:
郭子雄,Rachel Chicchi
通讯作者:
刘阳
附件:
  • 个人简介

    叶勇博士,男,19857月出生,福建泉州人。现任华侨大学土木工程学院副教授、硕士研究生导师、土木工程系副主任,从事结构工程方向的教学与研究工作。主持国家自然科学基金项目2(面上、青年各1)、福建省自然科学基金面上项目2项、中国博士后科学基金项目1等多项科研项目。在国内外学术期刊及会议上发表论文80篇,其中SCIEI收录50篇,1论文获英国土木工程师协会(ICE)年度出版奖。曾获华侨大学青年教师“精彩一堂课”教学竞赛一等奖,华侨大学优秀班主任,华侨大学土木工程学院优秀共产党员。

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