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The Royal Armouries
The Royal Armouries is the body responsible for maintaining the royal collection of weaponry, armour, and other artefacts. Its role is not only to conserve the collection, but also to extend it and maintain the appropriate expertise and knowledge to keep and exhibit it. It also has a strong educational role to develop and extend the knowledge of historical weaponry and armour.
A two-storey precast concrete framed ofice block dating from the 1960s was found to have high alumina cement (HAC) concrete beams at roof and first-floor levels. Detailed investigation showed that the first-floor beams were satisfactory but those at roof level could not be proved. In addition, problems were found with first-floor corbel details and the precast frame beam-column joints. Because the ground floor area had to remain in use during repairs and also the foundation conditions were poor; the roof
was strengthened from above using ‘skyhooks’ - steel beams placed over it and preloaded to limit stresses in the HAC beams. The first-floor corbels were strengthened by drilled-in prestressed bars.
The University of Sheffield has a significant and long-standing reputation for research into the behaviour of cement, concrete materials technology and reinforced concrete design and analysis. In recognition of this work, a new research unit, the Centre for Cement & Concrete (CCC), was launched on 1 August 1993. This unit comprises 15 academics from the Departments of Civil & Structural Engineering, Mechanical & Process Engineering, Engineering Materials, Earth Sciences, and Architectural Studies. The Centre is run under the directorship of Professor Peter Waldron (M) (Head of the Department of Civil & Structural Engineering) and management of Dr Roger Crouch. In addition to the academic staff, the Centre benefits from a close association with Dr David Lawrence and Professor David Spooner of the British Cement Association (BCA), both honorary members of the Centre. There are currently over 35 postgraduate students and research associates (excluding Masters students studying Concrete Engineering) working in the CCC. Thus the Centre represents one of the largest research organisations of its kind. Whilst it would be inappropriate to list all areas of activity, the following gives some indication of the range of investigations currently under way.
Dr R.S. Crouch