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作者:

Chen, Zheng (Chen, Zheng.) | Liu, Wenchao (Liu, Wenchao.) | Zhang, Kesheng (Zhang, Kesheng.) | Wang, Ruwei (Wang, Ruwei.) | Ren, Lele (Ren, Lele.)

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EI Scopus

摘要:

In order to study the characteristics of the temperature field and variation law of steel pipe recycled aggregate concrete column in a fire hazard, this paper takes the thickness of steel pipe and the type of concrete material as the main parameters to carry out fire resistance test of six concrete steel columns simulated by ABAQUS and conducts finite element analysis of the temperature field inside the test piece. The result shows that both the steel pipe recycled concrete column and the ordinary steel tube concrete column have a temperature platform during heating, and their temperature rise is feature hysteresis; the thickness of the steel pipe has little effect on the internal temperature rise while the concrete material is the main factor affecting the heating rate, so steel pipe recycled aggregate concrete column is better fire-resistant. The constitutive model based on the modified parameters in European EC4 specification is used for finite element analysis, and the FEM simulation result is well fitted with the experimental data. © Published under licence by IOP Publishing Ltd.

关键词:

ABAQUS Aggregates Concrete aggregates Concrete construction Concretes Finite element method Fire resistance Fluid mechanics Recycling Shore protection Steel pipe Temperature Tubular steel structures

作者机构:

  • [ 1 ] [Chen, Zheng]Key Laboratory of Urban and Engineering Safety and Disaster Reduction, Ministry of Education, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Liu, Wenchao]Postdoctoral Mobile Station of Mechanics, Beijing University of Technology, Beijing; 100124, China
  • [ 3 ] [Liu, Wenchao]Technology Center, China Communications Construction Fourth Highway Engineering Co., LTD., Beijing; 100022, China
  • [ 4 ] [Zhang, Kesheng]Technology Center, China Communications Construction Fourth Highway Engineering Co., LTD., Beijing; 100022, China
  • [ 5 ] [Wang, Ruwei]Key Laboratory of Urban and Engineering Safety and Disaster Reduction, Ministry of Education, Beijing University of Technology, Beijing; 100124, China
  • [ 6 ] [Ren, Lele]Key Laboratory of Urban and Engineering Safety and Disaster Reduction, Ministry of Education, Beijing University of Technology, Beijing; 100124, China

通讯作者信息:

  • [liu, wenchao]technology center, china communications construction fourth highway engineering co., ltd., beijing; 100022, china;;[liu, wenchao]postdoctoral mobile station of mechanics, beijing university of technology, beijing; 100124, china

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ISSN: 1755-1307

年份: 2019

期: 5

卷: 340

语种: 英文

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