The Structural Engineer > Archive > Volume 96 (2018) > Issue 3 > Sheffield University’s new Diamond building benefits from post-tensioning
Name of File Diamond-building.pdf cached at 21/10/2018 05:43:44 - with 6 pages. pdfPath: E:\k9.istructe.org\CMS\webtest\files\d8\d88626c8-b87f-4a72-87b6-9b4d162406ff.pdf. thumbPath: E:\k9.istructe.org\CMS\webtest\files\pdfthumbs\d88626c8-b87f-4a72-87b6-9b4d162406ff_1.png. objDoc: 1 - True. objPreview.Log: . strFileName: d88626c8-b87f-4a72-87b6-9b4d162406ff_1.png

Members/subscribers must be logged in to view this article

Sheffield University’s new Diamond building benefits from post-tensioning

While the term ‘value engineering’ has become synonymous with reducing costs, CCL’s approach to re-engineering key elements of the University of Sheffield’s £81M ‘Diamond’ building with post-tensioned concrete solutions demonstrates the potential added value of re-examining the original specification.

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-tensioned concrete alternative, helped to overcome buildability, logistical and cost challenges, while creating a design feature aligned to the architect’s aesthetic and conceptual vision.

A building with ambitious design criteria and multiple technical challenges, the Diamond is a landmark scheme, both for Sheffield and for the higher education sector, which demonstrates the benefits of post-tensioned concrete.

Author(s): A. Sweet (CCL)