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The Structural Engineer

All the articles from the May 2018 issue.

Publish Date - 1st May 2018

Author – Various

Price – £25

The Structural Engineer

In April we marked the 50th edition of the Confidential Reporting on Structural Safety (CROSS) newsletter (page 24). The first newsletter was published in November 2005 with brief comments on a number of short reports under the headings: Near misses, Collapses, Design issues, Building control, Engineers on site, and Fixings. CROSS had started a short while earlier on a six-month trial basis and we had no idea if the project would take off . Since then it has grown and is now the model for versions in other countries. The core topics have remained remarkably similar, showing that lessons must be continuously re-learned so that safety culture can improve. Many thousands read the newsletters around the world and the number continues to grow.

Publish Date - 1st May 2018

Author – A. Soane (Structural-Safety)

Price – Free

The Structural Engineer

The Armadillo vault, exhibited at the 2016 Venice Architecture Biennale and commended at the 2017 Structural Awards, is a doubly curved, unreinforced, cut-stone, compression-only vault, constructed from 399 limestone blocks. The thickness of the stone varies from 8–12cm at the supports to 5cm at the peak. With a height of 4.4m and spans of over 15m, the structure has a thickness-to-span ratio half that of an eggshell.

This paper describes the form-finding process and detailed structural analysis. Steel supports were designed to take the reaction thrusts of the vault and transfer them safely to both the ground and the internal steel tie system. The stone-cutting process for the limestone is also outlined, describing the rough-finished inner surface, which was patterned to follow lines of internal force flow, and the smooth flat outer surface. Finally, the process of erecting the formwork and falsework on site is also set out, including the process of decentring and the use of custom keystones.

Publish Date - 1st May 2018

Author – Philippe Block (ETH Zurich, Switzerland and Ochsendorf DeJong & Block),, Tom Van Mele (ETH Zurich, Switzerland), Andrew Liew (ETH Zurich, Switzerland), Matthew DeJong (Ochsendorf DeJong & Block), David Escobedo (Escobedo Group) and John Ochsendorf (Ochsendorf DeJong & Block)

Price – £9

The Structural Engineer

Mick Buck considers what it means to be competent in professional practice and the need to recognise and address one's limitations.

Publish Date - 1st May 2018

Author – M. Buck

Price – £9

The Structural Engineer

In this article, we summarise the 50th edition of the CROSS newsletter from Structural-Safety.

Publish Date - 1st May 2018

Author – A. Soane (Structural-Safety)

Price – £9

The Structural Engineer

In the UK, steel-framed buildings with precast concrete floors are a common form of multistorey building. Such structures may be used for car parking, for commercial, retail or residential property developments, and for public buildings, such as schools and hospitals. This hybrid form of construction has many benefits, including the provision of an early, secure and broad platform from which subsequent site activities can be undertaken.

This article is the second in a series of three addressing aspects of designing steel-framed buildings with precast concrete floors. The article describes aspects of the design of steel or composite beams which will support precast prestressed concrete planks.

Publish Date - 1st May 2018

Author – N. Gorst (British Precast)

Price – £9

The Structural Engineer

Stephen Hargreaves of insurance broker Griffiths & Armour examines the attitudes of UK consultants to taking on new work, fees, payment terms and contracts.

Publish Date - 1st May 2018

Author – S. Hargreaves (Griffiths & Armour)

Price – £9

The Structural Engineer

This book provides an unbiased, informative and up-to-date account of glass fibre-reinforced concrete for anyone new to the material, says Graham True.

Publish Date - 1st May 2018

Author – G. True (GFT Materials Consultancy)

Price – Free

The Structural Engineer

This substantial report on the state of the art in the field of precast concrete will serve as a useful reference for those interested in the history of its development, says R.S. Narayanan.

Publish Date - 1st May 2018

Author – R. S. Narayanan

Price – Free

The Structural Engineer

This month's letters continue the debate about innovation in structural engineering; discuss the importance of understanding how a building is to be constructed; offer some thoughts on a recent article on performance-based seismic design; and lament the loss of engineering graduates to more lucrative professions.

Publish Date - 1st May 2018

Author – Various

Price – £9

The Structural Engineer

Upcoming events at HQ and around the Regional Groups.

Publish Date - 1st May 2018

Author – Various

Price – Free

The Structural Engineer

In this section we shine a spotlight on papers recently published in Structures – the Research Journal of The Institution of Structural Engineers.

This month we highlight eight papers shortlisted for the Structures prizes in 2018: the Best Research Paper Prize and the Best Research into Practice Paper Prize. Members are encouraged to explore these papers.

Access to Structures is free to Institution members (excluding Student members) as one of their membership benefits, with access provided via the ‘My account’ section of the Institution website. The journal is available online at: www.structuresjournal.org

Publish Date - 1st May 2018

Author – Various

Price – £9

The Structural Engineer

This month, judge Ron Slade has selected two winners: Duncan Walters of Eckersley O’Callaghan and Rob Nield of Arup. Each receives an e-book of their choice from the Institution’s current catalogue.

You can also view Duncan's sketches and Rob's sketches in full online.

Publish Date - 1st May 2018

Author – Various

Price – £9