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Steel and Composite Structures
  Volume 3, Number 1, February 2003 , pages 65-73

Behaviour and stability of prestressed steel plate girder for torsional buckling
L. M. Gupta, G. N. Ronghe and M. K. Naghate

    A higher level of engineering standard in the field of construction, is the use of prestressing in building structures. The concept of prestressing steel structures has only recently been widely considered, despite a long and successful history of prestressing concrete members. Several analytical studies of prestressed steel girders were reported in literatures, but much of the work was not studied with reference to the optimal design and behaviour of the prestressed steel plate girder. A plate girder prestressed eccentrically, will behave as a beam-column, which is subjected to axial compression and bending moment which will cause the beam to buckle out. The study of buckling of the prestressed steel plate girder is necessary for stability criteria. This paper deals with the stability of prestressed steel plate girder using concept of
Key Words
    prestressing; plate girder; torsion, buckling, stability; Vlasov
Department of Structural Engineering and Applied Mechanics, Visvesvaraya National Institute of Technology, Nagpur 440 011, India

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