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Bending Characteristics of a Post-Tensioned, Prestressed Concrete, Simply Supported Beam

Auteur(s):




Médium: article de revue
Langue(s): anglais
Publié dans: The Open Civil Engineering Journal, , n. 1, v. 11
Page(s): 676-684
DOI: 10.2174/1874149501711010676
Abstrait:

Introduction:

To analyze the basic, mechanical properties of post-tensioned, prestressed concrete, simply supported beams with grouting material of varied porosity under load, a finite element model is established by using ANSYS finite element software.

Methods:

The mid-span, cracking deflection and the equivalent stress of the prestressed, concrete beams with grouting material of varied porosity are calculated under different load forms.

Results and Conclusion:

The analysis results show that the cracking deflection of the prestressed, concrete beams increases with the increase in the porosity of the grouting material of the beams under different load forms. By contrast, under the same porosity grouting material, the cracking deflection of the symmetrical loads is larger than that of the uniform and concentrated loads. As the porosity of the grouting material increases, the peak value of equivalent stress decreases. The equivalent, stress-peak value of the concentrated load is always larger than the equivalent, stress-peak value under the uniform and symmetrical loads.

Copyright: © 2017 Qingming Xiang et al.
License:

Cette oeuvre a été publiée sous la license Creative Commons Attribution 4.0 (CC-BY 4.0). Il est autorisé de partager et adapter l'oeuvre tant que l'auteur est crédité et la license est indiquée (avec le lien ci-dessus). Vous devez aussi indiquer si des changements on été fait vis-à-vis de l'original.

  • Informations
    sur cette fiche
  • Reference-ID
    10175232
  • Publié(e) le:
    30.12.2018
  • Modifié(e) le:
    02.06.2021
 
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