Download Advances in Steel Structures (ICASS '99). Proceedings of The by SL Chan and JG Teng (Eds.) PDF

By SL Chan and JG Teng (Eds.)

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Additional resources for Advances in Steel Structures (ICASS '99). Proceedings of The Second International Conference on Advances in Steel Structures 15–17 December 1999, Hong Kong, China

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Specification for the Design of Cold-Formed Steel Structural Members, Washington, DC. BHP Structural and Pipeline Products (1997). DuraGal Design Capacity Tables for Structural Steel Angles, Channels and Flats, BHP, Sydney. Canadian Standards Association (1994). "Cold Formed Steel Structures Members", Toronto, Canadian Standards Association. Popovic, D, Hancock, GJ and Rasmussen, KJR (1999). "Axial Compression Tests of Cold-Formed Angles", Journal of Structural Engineering, ASCE, 24:5, 515-523.

Interflam '99,8th Int. , Edinburgh, 29 June - 1 July, Vol. 2, pp 1045-1056. Design Formulas for Stability Analysis of Reticulated Shells S. Z. Shen Harbin University of Civil Engineering and Architecture 202 Haihe Road, Harbin 150090, China ABSTRACT The aim of the paper is to propose some kind of design formulas for stability analysis of single-layer reticulated shells, reflecting the recent advances in theoretical study but simple in form for the convenience of practical application. For this purpose a comprehensive parametrical analysis of stability behaviors of single-layer reticulated shells of different types with various geometric and structural parameters has been carried out based upon complete load-deflection response analysis with consideration of the effects of initial imperfections and unsymmetrical distribution of loads..

A uniform curvature d~= tx~--~yis caused by thermal expansion (and contraction). No stresses develop and the hot lower surface leads to downward bowing. If instead, the beam is rigidly restrained against end rotations (but axially free to translate), no deflections develop at all in the beam! It remains perfectly straight. M. Rotter lower surface is thus in compression, and first cracking in concrete occurs on the top unheated surface (a counter-intuitive result for most structural engineers). More importantly, where the beam is composite, the steel joist at the bottom can become fully yielded throughout its length in compression under extreme fire conditions, causing engineers trained in conventional design to ask how the composite beam structure can possibly still carry its loads.

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