Author: Lee, T J
First published: N/A
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Lee, T J
Mr B. Bouhon/Mr E. Alexandre
The idea of using steel fibres to reinforce concrete (in particular, industrial concrete floors) was conceived some 30 years ago. Gradually, the idea progressed to applications on a larger scale.
The situations where the shear connection in a composite beam of steel and concrete can be subjected to concentrations of shear flow are listed and discussed. An account is given of relevant finite element (FE) analyses. The design rules given in the draft Eurocode fpr composite bridges, ENV 1994: 2, for shear connection near anchorages of Prestressing tendons, or at nodes in composite trusses, are shown to be radical simplifications of the results of these analyses. Reference is made also to similar situations, such as sudden changes of section, and shear connection in bowstring arches.
Professor R.P. Johnson and R.I. Ivanov
Roger Evans has been Bridgemaster and Engineer for the Humber Bridge ‘one of the technically most perfect suspension bridges in the world’, for the past 7 years. Prior to that he was Deputy Bridgemaster for 12 years, having previously worked for contractors and more latterly as a bridge designer in local government.