Computers and Concrete

  • 제8권4호
  • /
  • Pages.401-423
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  • 2011
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  • 1598-8198(pISSN)
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  • 1598-818X(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

A mesoscale model for concrete to simulate mechanical failure

  • Unger, Jorg F. (Institute of Structural Mechanics, Bauhaus University Weimar) ;
  • Eckardt, Stefan (Institute of Structural Mechanics, Bauhaus University Weimar) ;
  • Konke, Carsten (Institute of Structural Mechanics, Bauhaus University Weimar)
  • 투고 : 2009.02.16
  • 심사 : 2010.08.16
  • 발행 : 2011.08.25
⟨ 이전 논문 다음 논문 ⟩

초록

In this paper, a mesoscale model of concrete is presented, which considers particles, matrix material and the interfacial transition zone (ITZ) as separate constituents. Particles are represented as ellipsoides, generated according to a prescribed grading curve and placed randomly into the specimen. In this context, an efficient separation procedure is used. The nonlinear behavior is simulated with a cohesive interface model for the ITZ and a combined damage/plasticity model for the matrix material. The mesoscale model is used to simulate a compression and a tensile test. Furthermore, the influence of the particle distribution on the loaddisplacement curve is investigated.

키워드

참고문헌

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