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The Broadgate Exchange House, London, UK

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In order to span 78 m over congested railway tracks, the Broadgate Exchange House in northeast London combines the system concepts of a bridge with those of an office building. The site faces the Liverpool Street Station train shed, an historic structure of exposed iron and steel. Design objectives included unobstructed operations for the trains and a structure that would both complement the historically significant train shed and act as a centerpiece whose articulated structural form would contrast with neighbouring stone and glass-clad buildings. The innovative combination of systems in the Broadgate Exchange House, together with a rigorous application of rational fire engineering, resulted in a structure that expresses a new architectural vocabulary in steel construction.

Keywords: Arches; Broadgate Exchange House (London, UK); Corrosion protection; Fire engineering; Pattern loads; Structural design

Document Type: Research Article


Publication date: 1993-11-01

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    Structural Engineering International (SEI), the quarterly Journal of IABSE, published since 1991, is the leading international journal of structural engineering dealing with all types of structures and materials. SEI offers its readers a unique blend of short profiles on recent structures, and longer, in-depth technical articles on research, development, design, construction and maintenance. Articles are written by practicing engineers and academia from around the world and reflect the high standards of IABSE. IABSE Peer Review stamps are given to papers that have passed through a highly selective review process and demonstrate a significant contribution to the state of structural engineering knowledge.To recognise contributions of the highest quality, an Outstanding Paper Award is presented each year.

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