1 May 2014
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Institution Fellow, Bob Wilson, suspects that previous titles by Francis Ching notwithstanding, this latest offering might be of more interest to architects than structural engineers.
Based on his 2014 James Sutherland History Lecture, 'Not up, not down but sideways', James Thomson draws on more than 50 years of experience to provide a background to the process of jacking structures horizontally into the ground to form tunnels, and discusses the impact the technology has for the spatial planning of future projects.
Existing steel structures and plant may need welded modifications or repairs. They may have been designed and built to withdrawn/superseded Standard specifications. In some cases the design and fabrication records may not be available. This paper reviews past UK welding specifications so as to provide guidance on the approaches which can be made to assessing the suitability of an old structure for welding. A list of withdrawn/superseded British Standards, forms an Appendix to this article.