Computers and Concrete

  • 제17권5호
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  • Pages.579-596
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  • 2016
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  • 1598-8198(pISSN)
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  • 1598-818X(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Nonlinear analysis of the RC structure by higher-order element with the refined plastic hinge

  • IU, C.K. (School of Civil Engineering and Built Environment,Queensland University of Technology)
  • 투고 : 2015.08.11
  • 심사 : 2016.01.25
  • 발행 : 2016.05.25
⟨ 이전 논문 다음 논문 ⟩

초록

This paper describes a method of the refined plastic hinge approach in the framework of the higher-order element formulation that can efficaciously evaluate the limit state capacity of a whole reinforced concrete structural system using least number of element(s), whereas the traditional design of a reinforced concrete structure (i.e. AS3600; Eurocode 2) is member-based approach. Hence, in regard to the material nonlinearities, the efficient and economical cross-section analysis is provided to evaluate the element section capacity of non-uniform and arbitrary concrete section subjected to the interaction effects, which is helpful to formulate the refined plastic hinge method. In regard to the geometric nonlinearities, this paper relies on the higher-order element formulation with element load effect. Eventually, the load redistribution can be considered and make full use of the strength reserved owing to the redundancy of an indeterminate structure. And it is particularly true for the performance-based design of a structure under the extreme loads, while the uncertainty of the extreme load is great that the true behaviour of a whole structural system is important for the economical design approach, which is great superiority over the conservative optimal strength of an individual and isolated member based on traditional design (i.e. AS3600; Eurocode 2).

키워드

참고문헌

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피인용 문헌

  1. Using XFEM to model the effect of different axial compression on the hysteretic behaviour of the flexure-dominant RC columns 2018, https://doi.org/10.1002/tal.1465
  2. Second-order flexibility-based model for nonlinear inelastic analysis of 3D semi-rigid steel frameworks vol.136, 2017, https://doi.org/10.1016/j.engstruct.2017.01.040
  3. Numerical analysis of RC plane structures: a concentrated nonlinear effect approach vol.15, pp.2, 2018, https://doi.org/10.1590/1679-78254681
  4. Improving the linear flexibility distribution model to simultaneously account for gravity and lateral loads vol.20, pp.1, 2016, https://doi.org/10.12989/cac.2017.20.1.011