Computers and Concrete

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Implementation of double scalar elastic damage constitutive model in UMAT interface

  • Liu, Pan Pan (School of Civil and Environmental Engineering, Harbin Institute of Technology) ;
  • Shen, Bo (Space Structures Research of Center, Guizhou University)
  • Received : 2019.08.05
  • Accepted : 2021.01.22
  • Published : 2021.02.25
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Abstract

This paper aims to simulate the isotropic elastic damage theory of Liu Jun (2012) using the self-programmed UMAT subroutine in the interface of ABAQUS. Liu Jun (2012)'s method based on the mechanic theory can not be used interactively with the currently commonly used finite element software ABAQUS. The advantage of this method in the paper is that it can interact with ABAQUS and provide a constitutive program framework that can be modified according to user need. The model retains the two scalar damage variables and the corresponding two energy dissipation mechanisms and damage criteria for considering the tensile and compressive asymmetry of concrete. Taking C45 concrete as an example, the relevant damage evolution parameters of its tensile and compressive constitutive model are given. The study demonstrates that the uniaxial tensile stress calculated by the subroutine is almost the same as the Chinese Concrete Design Specification (GB50010) before the peak stress, but ends soon after the peak stress. The stress-strain curve of uniaxial compression calculated by the subroutine is in good agreement with the peak stress in Chinese Concrete Design Specification (GB50010), but there is a certain deviation in the descending stage. In addition, this paper uses the newly compiled subroutine to simulate the shear bearing capacity of the shear key in a new structural system, namely the open-web sandwich slab. The results show that the damage constitutive subroutine has certain reliability.

Keywords

References

  1. Comi, C. and Perego, U. (2001), "Fracture energy based bi-dissipative damage model for concrete", Int. J. Solid. Struct., 38(36), 6427-6454. https://doi.org/10.1016/S0020-7683(01)00066-X.
  2. DB22/48(2005), Technical Specification for Reinforced Concrete Open-web Sandwich Plate Structures, Guizhou Provincial Department of Construction, Guiyang, China.
  3. DB23/T1539 (2014), Technical Specification for Reinforced Concrete Space Grid Structure and Open-web Sandwich Floor, Heilongjiang Provincial Department of Housing and Urban-Rural Development, Harbin, China.
  4. Feng, D.C., Ren, X.D. and Li, J. (2018), "Softened damage-plasticity model for analysis of cracked reinforced concrete structures", J. Struct. Eng., 144(6), 04018044. https://doi.org/10.1061/(ASCE)ST.1943-541X.0002015.
  5. GB50010 (2015), Concrete Structure Design Specification, China Building Industry Press, Beijing, China.
  6. Gu, Q., Ning, J., Tan, Y., Liu, X., Ma, Q. and Xu, Q. (2018), "Damage constitutive model of brittle rock considering the compaction of crack", Geomech. Eng., 15(5), 1081-1089. https://doi.org/10.12989/gae.2018.15.5.1081.
  7. Huang, T.C., Ren, X.D. and Li, J. (2017), "Incremental dynamic analysis of seismic collapse of super-tall building structures", Struct. Des. Tall Spec. Build., 26(16), e1370. https://doi.org/10.1002/tal.
  8. hui Fan, Y., pan Liu, P., Shen, B., Ma, K., Wu, B., Zheng, T. and Yang, F. (2020), "Shear-bearing capacity analysis under static force for shear key of the reinforced concrete open-web sandwich slab applied to long-span structure", International Journal of Structural Integrity.
  9. Li, J., Chen, J.B. and Yang, J.Y. (2017), "PDEM-based perspective to probabilistic seismic response analysis and design of earthquake-resistant engineering structures", Nat. Hazard. Rev., 18(1), B40161021-14. https://doi.org/10.1061/(ASCE)NH.1527-6996.0000216.
  10. Li, J., Wu, J.Y. and Chen, J.B. (2014), Stochastic Damage Mechanics of Concrete Structures, Science Press, Beijing, China.
  11. Mazars, J. (1986), "A description of micro-and macroscale damage of concrete structures", Eng. Fract. Mech., 25(5/6), 729-737. https://doi.org/10.1016/0013-7944(86)90036-6.
  12. Papa, E. and Taliercio, A. (1996), "Anisotropic damage model for the multiaxial static and fatigue behaviour of plain concrete", Eng. Fract. Mech., 55(2), 163-179. https://doi.org/10.1016/0013-7944(96)00004-5.
  13. Wang, J., Song, Z., Zhao, B., Liu, X., Liu, J. and Lai, J. (2018), "A study on the mechanical behavior and statistical damage constitutive model of sandstone", Arab. J. Sci. Eng., 43(10), 5179-5192. https://doi.org/10.1007/s13369-017-3016-y.
  14. Wang, Q.Y., Zhu, W.C., Xu, T. and Niu, L.L. (2017), "Numerical simulation of rock creep behavior with a damage-based constitutive law", Int. J. Geomech., 17(1), 04016044. https://doi.org/10.1061/(ASCE)GM.1943-5622.0000707.
  15. Wei, C.X. (2007), "Study the mechanical nature of open-web grid and open-web sandwich plate from the stiffness variety", Master's Thesis, Zhejiang University, Hangzhou, China.
  16. Yao, L., Zhang, H.G., He, Q. et al. (2017), "Finite element analysis of static performance of concrete open-web sandwich panels", Spatial Struct., 23(1), 43-53. https://doi.org/10.13849/j.issn.1006-6578.2017.01.043.

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  1. Double scalar elastic damage constitutive model considering shear damage vol.18, pp.6, 2021, https://doi.org/10.1590/1679-78256607