The Structural Engineer > Archive > Volume 66 (1988) > Issues > Issue 14 > Discussion on Continuous Construction in Steel for Roofs and Composite Floors by Mr. P.R. Brett, Dr.
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Discussion on Continuous Construction in Steel for Roofs and Composite Floors by Mr. P.R. Brett, Dr. D.A. Nethercot and Dr. G.W. Owens

Chairman: It occurs to me that the logical development of the work the authors have done is to extend the span of traditionally slender steel construction. I understand that the idea is to minimise the cost by reducing the fabrication cost. As these members get more slender, presumably deflection begins to become critical. Is any research being done concerning the possibility of using post-tensioning or prestressing techniques applied to steelwork, which was the logical development in concrete? Is any corresponding work being done in steelwork?