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Steel & Composite structures : an international journal v.4 no.6, 2004년, pp.453 - 469   피인용횟수: 3
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Genetic algorithm based optimum design of non-linear steel frames with semi-rigid connections

Hayalioglu, M.S.    (Civil Engineering Department, Dicle University   ); Degertekin, S.O.    (Civil Engineering Department, Dicle University  );
  • 초록

    In this article, a genetic algorithm based optimum design method is presented for non-linear steel frames with semi-rigid connections. The design algorithm obtains the minimum weight frame by selecting suitable sections from a standard set of steel sections such as European wide flange beams (i.e., HE sections). A genetic algorithm is employed as optimization method which utilizes reproduction, crossover and mutation operators. Displacement and stress constraints of Turkish Building Code for Steel Structures (TS 648, 1980) are imposed on the frame. The algorithm requires a large number of non-linear analyses of frames. The analyses cover both the non-linear behaviour of beam-to-column connection and $P-{\Delta}$ effects of beam-column members. The Frye and Morris polynomial model is used for modelling of semi-rigid connections. Two design examples with various type of connections are presented to demonstrate the application of the algorithm. The semi-rigid connection modelling results in more economical solutions than rigid connection modelling, but it increases frame drift.


  • 주제어

    genetic algorithm .   structural optimization .   semi-rigid connections .   steel design .   unbraced frame.  

  • 참고문헌 (24)

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    3. Faella, C., Piluso, V. and Rizzano, G. (2000), Structural Steel Semirigid Connections, CRC Press, LLC. 
    4. Frye, M.J. and Morris, G.A. (1975),"Analysis of flexibly connected steel frames", Can. J. Civ. Engrg., 2, 280-291. 
    5. Goldberg, D.E. (1989), Genetic Algorithms in Search, Optimization and Machine Learning, Addisson-Wesley, Reading, MA. 
    6. Goto, Y. and Miyashita, S. (1998),"Classification system for rigid and semirigid connection", J. Struct. Engrg., ASCE, 124(7), 750-757. 
    7. Hayalioglu, M.S. (2000),"Optimum design of geometrically non-linear elastic-plastic steel frames via genetic algorithm", Comput. Struct., 77(5), 527-538. 
    8. Hayalioglu, M.S. (2001),"Optimum load and resistance factor design of steel space frames using genetic algorithm", Struct. Multidisc. Optim., 21(4), 292-299. 
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    19. AISC Manual of Steel Construction (1995), Load and Resistance Factor Design, Chicago, ILL. 
    20. Almusallam, T.H. (1995),"Effect of connection flexibility on the optimum design of steel frames", Proc. of Int. Conf. on Developments in Computational Techniques for Civil Engineering, Edinburgh. 
    21. BS5950 (1990), British Standards, Structural use of steelworks in building, British Standard Institution, London, UK. Chajes, A. and Churcill, J.E. (1987),"Nonlinear frame analysis by finite element methods", J. Struct. Engrg., ASCE, 113(6), 1221-1235. 
    22. Chen, W.F. and Lui, E.M. (1991), Stability Design of Steel Frames, CRC Press, Inc. 
    23. Chen, W.F., Goto, Y. and Liew J.Y.R. (1996), Stability Design of Semi-rigid Frames, John Wiley & Sons, Inc. 
    24. Dhillon, B.S. and O'Malley, J.W. (1999),"Interactive design of semirigid steel frames", J. Struct. Engrg., ASCE, 125(5), 556-564. 
  • 이 논문을 인용한 문헌 (3)

    1. 2015. "" Structural engineering and mechanics : An international journal, 55(2): 299~313   
    2. 2015. "" Steel & Composite structures : an international journal, 19(4): 1035~1053   
    3. 2016. "" Structural engineering and mechanics : An international journal, 58(3): 597~612   

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