Computers and Concrete

  • 제14권4호
  • /
  • Pages.479-501
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  • 2014
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  • 1598-8198(pISSN)
  • /
  • 1598-818X(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Shear strength of RC beams. Precision, accuracy, safety and simplicity using genetic programming

  • Cladera, Antoni (Department of Physics, University of the Balearic Islands) ;
  • Perez-Ordonez, Juan L. (School of Building Engineering and Technical Architecture, University of A Coruna) ;
  • Martinez-Abella, Fernando (Department of Construction Technology, University of A Coruna)
  • 투고 : 2014.05.07
  • 심사 : 2014.10.01
  • 발행 : 2014.10.30
⟨ 이전 논문 다음 논문 ⟩

초록

This paper presents the improvement of the EC-2 and EHE-08 shear strength formulations for concrete beams with shear reinforcement. The employed method is based on the genetic programming (GP) technique, which is configured to generate symbolic regression from a set of experimental data by considering the interactions among precision, accuracy, safety and simplicity. The size effect and the influence of the amount of shear reinforcement are examined. To develop and verify the models, 257 experimental tests on concrete beams from the literature are used. Three expressions of considerable simplicity, which significantly improve the shear strength prediction with respect to the formulations of the different studied codes, are proposed.

키워드

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