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作者:

Li, Yue (Li, Yue.) | Li, Yaqiang (Li, Yaqiang.)

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EI Scopus SCIE

摘要:

This paper aims to evaluate the elastic modulus and Poisson ratio of fiber reinforced concrete with homogenization theory and finite element simulation. A theoretical model for predicting the elastic modulus and Poisson ratio of fiber reinforced concrete was established by homogenization theory. Firstly, the elastic tensor matrix of unidirectional distribution fiber reinforced concrete composites was solved by the composite cylinder model and Ruess series model, and then the elastic tensor matrix of random distribution of fiber reinforced concrete composites was obtained based on the probability density function of fiber distribution. Finally, the elastic modulus and Poisson ratio of fiber reinforced concrete were obtained based on the elastic tensor matrix. In addition, according to the related parameters of experiment, the random distribution meso-model of fiber reinforced concrete was established using MATLAB software, and then the axial compression of fiber reinforced concrete was stimulated using Abaqus. The simulation values of elastic modulus and Poisson ratio of fiber reinforced concrete were obtained. By comparison, it was found that the homogenization theoretical predicted value, the finite element simulation value and the macroscopic experiment value were in good agreement, which verified the accuracy of the homogenization theoretical model and the finite element model. (C) 2018 Elsevier Ltd. All rights reserved.

关键词:

Finite element analysis Elastic modulus Homogenization theoretical model Fiber reinforced concrete Poisson ratio

作者机构:

  • [ 1 ] [Li, Yue]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, MOE, Beijing 100124, Peoples R China
  • [ 2 ] [Li, Yaqiang]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, MOE, Beijing 100124, Peoples R China

通讯作者信息:

  • [Li, Yaqiang]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, MOE, Beijing 100124, Peoples R China

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来源 :

CONSTRUCTION AND BUILDING MATERIALS

ISSN: 0950-0618

年份: 2019

卷: 200

页码: 301-309

7 . 4 0 0

JCR@2022

ESI学科: MATERIALS SCIENCE;

ESI高被引阀值:211

JCR分区:1

被引次数:

WoS核心集被引频次: 43

SCOPUS被引频次: 45

ESI高被引论文在榜: 0 展开所有

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