Title: Design parameters of steel fiber concrete beams // Magazine of Civil Engineering. – 2021. – № 2 (102). — С. 10207
Creators: Do T. M. D.; Lam T. Q. K.
Imprint: 2021
Collection: Общая коллекция
Subjects: Строительство; Строительные конструкции; steel-fiber concrete beams; parameters of beams; reinforced concrete; steel fiber; construction deformations; construction stresses; numerical simulation; сталефибробетонные балки; параметры балок; железобетоны; стальное волокно; строительные деформации; строительные напряжения; численное моделирование
UDC: 624.01
LBC: 38.5
Document type: Article, report
File type: PDF
Language: English
DOI: 10.34910/MCE.102.7
Rights: Свободный доступ из сети Интернет (чтение, печать, копирование)
Record key: RU\SPSTU\edoc\67114

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Group: Anonymous

Network: Internet


In the study of steel fiber concrete beams, there are many design parameters that affecting stress-strain state, cracks formation and cracks development, etc. in beams. Changes of these design parameters will affect bearing capacity, displacement and cracks in beams. ANSYS can simulate the work of beams when design parameters be changed. Therefore, in this paper, the authors used ANSYS numerical simulation method to simulate design parameters of beams which be changed, to bearing capacity such as: steel fiber content in concrete, shear steel stirrups spacing at the ends of the beam, number of tensile steel bars, diameter of tensile steel bars, considering the nonlinear element of the materials, etc to consider the cracks formation and cracks development in beams from the beginning of loading to the damaged beams and then build the load and stress relationship, load and vertical displacement relationship in steel fiber concrete beams. Beam simulation results show that changes of these design parameters have affected the bearing capacity, stress-strain state, cracks formation and cracks development of beams, with the beams when increasing the content of steel fibers in concrete, increasing the number of tensile steel bars, increasing the diameter of tensile steel etc., making the beams reduce cracks, increase the bearing capacity, etc. for the beams. Simulation results were also compared with experimental methods. So, the study of these design parameters helps the design of steel fiber concrete beam structures to withstand impact loads and limit cracks in beams.

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Table of Contents

  • Design parameters of steel fiber concrete beams
    • 1. Introduction
    • 2. Materials and methods
      • 2.1. Parameters in model
      • 2.2. Input parameters in ANSYS
    • 3. Results and Discussion
      • 3.1. Survey of steel fiber content in concrete
      • 3.2. Survey with shear steel stirrups spacing at the ends of the beam
      • 3.3. Survey of the change in the number of tensile steel bars
      • 3.4. Survey the affect of diameter of tensile steel bars
      • 3.5. Surveying the effect of nonlinear material analysis
      • 3.6. Case studies are influenced by many factors
      • 3.7. Compare with experimental results
    • 4. Conclusions
    • 5. Conflict of interests

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