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Author:

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

Indexed by:

EI Scopus SCIE

Abstract:

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.

Keyword:

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

Author Community:

  • [ 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

Reprint Author's Address:

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

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Source :

CONSTRUCTION AND BUILDING MATERIALS

ISSN: 0950-0618

Year: 2019

Volume: 200

Page: 301-309

7 . 4 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:211

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 47

SCOPUS Cited Count: 48

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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