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It is commonly assumed that lateral torsional buckling about the minor axis does not occur, and this assumption is adopted by BS 5950. This paper demonstrates that this is not in general true for thin-walled channel sections. It has been shown that Young's equation for the buckling of imperfect columns could be applied separately to the rotation and translation of torsionally buckling struts to describe correctly the stress distribution in the strut and hence to find the axial force that causes yield; failure follows shortly thereafter. In this paper the same method is applied to find the lateral torsional buckling resistance of members subject to uniform bending. D. Buhagiar, J.C. Chapman and Professor P.J. Dowling
MS M. J. McDowell My question relates to the design of the arch. Did the designers consider the effects of uneven imposed loading on the floors causing an unbalanced load in the arch? If so, on what did they base their assumptions?
The process of moving to Europe-wide standards for structural steel is well underway and, within the next month, will take another step forward with the publication of EN 10 210: Part I which covers the technical delivery requirements for non-alloy and fine grain hot finished structural hollow sections. This standard will affect all British Steel Tubes & Pipes' hot finished structural hollow sections (SHS). E. Hole