Author: A. Sweet (CCL)
1 March 2018
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A. Sweet (CCL)
Replacement of the specified voided concrete slabs with post-tensioned slabs for levels 1–4 and the roof level not only saved £0.75M in costs on the project, but also saved time within the programme, reduced the amount of materials required for the build and enabled a shallower slab depth. This increased the ceiling void depth below, thereby aiding co-ordination of the building services installation by allowing simplification of cable and pipework layouts.
Re-engineering of the proposed steel transfer structures beneath the level 1 slab, with a post-tensionedconcrete alternative, helped to overcome buildability, logistical and cost challenges, while creating a designfeature aligned to the architect's aesthetic and conceptual vision.
A building with ambitious design criteria and multiple technical challenges, the Diamond is a landmarkscheme, both for Sheffield and for the higher education sector, which demonstrates the benefits of post-tensioned concrete.
Roger Ridsdill Smith leads the Structural Group at Foster + Partners. In this paper, he proposes a Manifesto for Structural Design in which he sets out the four points that he considers to be essential to the design process of the group. These four points are illustrated through projects that the group has designed and delivered over the seven years since its inception. The paper is based on Roger’s 2017 Milne Medal lecture and a presentation on creativity and collaboration that he delivered at the Bath IABSE Conference in April 2017.
All the articles from the March 2018 issue.
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