Computers and Concrete

  • 제5권3호
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  • Pages.195-216
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  • 2008
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  • 1598-8198(pISSN)
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  • 1598-818X(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Hypoelastic modeling of reinforced concrete walls

  • Shayanfar, Mohsen A. (Civil Engineering Department, Iran Univ. of Science and Technology) ;
  • Safiey, Amir (Moshanir Power Engineering Consultants)
  • 투고 : 2007.02.27
  • 심사 : 2008.05.06
  • 발행 : 2008.06.25
⟨ 이전 논문 다음 논문 ⟩

초록

This paper presents a new hypoelasticity model which was implemented in a nonlinear finite element formulation to analyze reinforced concrete (RC) structures. The model includes a new hypoelasticity constitutive relationship utilizing the rotation of material axis through successive iterations. The model can account for high nonlinearity of the stress-strain behavior of the concrete in the pre-peak regime, the softening behavior of the concrete in the post-peak regime and the irrecoverable volume dilatation at high levels of compressive load. This research introduces the modified version of the common application orthotropic stress-strain relation developed by Darwin and Pecknold. It is endeavored not to violate the principal of "simplicity" by improvement of the "capability" The results of analyses of experimental reinforced concrete walls are presented to confirm the abilities of the proposed relationships.

키워드

참고문헌

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