콘크리트의 장기거동을 고려한 건조수축 균열진전해석

Kim, Han-Soo;Shin, Seung-Hak

  • 투고 : 2014.03.31
  • 심사 : 2014.05.28
  • 발행 : 2014.06.30


Concrete members cause long-term behavior with time due to shrinkage. If the members are restrained, shrinkage can result in cracks. In addition, this behavior is relaxed by the creep. The modulus of elasticity and tensile strength also change with time. In this study, the extended finite element method is used to predict shrinkage cracks and the outputs were compared with the results of experiment to verify the accuracy of the analysis. This study used an experiment method suggested in the standards of KS F 2595. The propagation of the cracks were described without the remeshing by the extended finite element method and variation of material properties and stress relaxation effects of creep with time were considered to the analysis. As a result, this method can predict similar strains and timing of crack occurrence to the results of the experiment. The shrinkage crack prediction method used in this study can be applicable to the evaluation of durability and usability of concrete members.




  1. ACI Committee 209, Prediction of Creep, Shrinkage, and Temperature Effects in Concrete Structure, ACI209R-92, American Concrete Institute, 1997
  2. Dolbow J, Moes N, Belytschko T, A finite element method for crack growth without remeshing, International Journal for Numerical Methods in Engineering, 46(1), p.p. 131-150, 1999<131::AID-NME726>3.0.CO;2-J
  3. Moes N, Belytschko T, Extended finite element method for cohesive crack growth, Engineering fracture mechanics, 69(7), p.p. 813-833, 2002
  4. Zi G, Belytschko T, New crack-tip elements for XFEM and applications to cohesive cracks, International Journal for Numerical Methods in Engineering, 57(15), p.p. 2221-2240, 2003
  5. Comite Euro-Internatioal Du Beton, CEB-FIP Model Code, Thomas Telford Services Ltd., 1993
  6. 이윤, 김진근, 초기재령 콘크리트의 파괴 특성, 콘크리트학회논문집, 14(1), p.p. 58-66, 2002
  7. Gilbert R.I., Time Effects in Concrete Structures, Elsevier, p.31, 1988
  8. Mohammad S, Extended finite element method: for fracture analysis of structures, John Wiley & Sons, p.98, 2008
  9. 콘크리트 건조수축 균열 시험방법, KS F 2595, 2009.12
  10. Belytschko T, Krongauz Y, Organ D, Fleming M, Krysl P, Meshless methods: an overview and recent, Computer Methods in Applied Mechanics and Engineering, 139(1), p.p. 3-47, 1996
  11. 김규용 외 6인, 콘크리트의 구속수축균열 특성평가를 위한 판상-링형 시험방법의 적정성 평가, 대한건축학회논문집, 25(12), p.p. 89-96, 2009
  12. 大野俊夫一, 魚本健人, コンクリ一トの收縮ひび割れ發生予測に關する基礎的硏究, 日本土木學會論文集, 662(49), p.p. 29-44, 2000
  13. Belytschko T, Black T., Elastic crack growth in nite elements with minimal remeshing, International Journal for Numerical Methods in Engineering, 45(5), p.p. 601-620, 1999<601::AID-NME598>3.0.CO;2-S
  14. 김한수, 조석희, 구속조건 변화와 크리프에 의한 응력 완화를 고려한 고층건물 콘크리트 슬래브의 건조수축 응력해석, 대한건축학회논문집, 19(1), p.p. 29-36, 2003
  15. 김한수, 철근에 의한 구속 효과를 고려한 고층건물 콘크리트 슬래브의 건조수축응력 해석, 대한건축학회논문집, 22(4), p.p.65-72, 2006
  16. Rashid M.M., The arbitrary local mesh renement method, an alternative to remeshing for crack propagation analysis, Computer Methods in Applied Mechanics and Engineering, 154(7), p.p. 133-150, 1998
  17. Melenk JM, Babuska I., The partition of unity nite element method: Basic theory and applications, Computer Methods in Applied Mechanics and Engineering, 139(1), 289-314, 1996


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