Author: T. Stratford (The University of Edinburgh)
1st August 2016
First published: 1st August 2016
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T. Stratford (The University of Edinburgh)
The article discusses the motivation for these changes, the steps that have been taken to create a “design thread” for students, the results that have been achieved, future challenges relating to digital engineering, and learning points which will help other universities wishing to set out on a similar path.
In this article, we summarise CROSS newsletter No. 43 from Structural-Safety. Reports include:
- Lack of lateral stability in steel frame
- Worker trapped in excavation
- Fall of material from bridge soffit
- Injuries from falling scaffold tube
- Alterations of calculations on loft conversion that was already built
- Balustrade testing
- Local wind effects
This month’s article from Griffiths & Armour introduces readers to the principle of mediation and explains how the process works for a professional indemnity claim.
The Connaught Tunnel is a 19th-century brick-lined structure that has been renovated to facilitate the route of the southeast spur of London’s Crossrail project from Canary Wharf to Abbey Wood1. Modifications include the total replacement of the original, twin, single-track tunnels (lined in brick and cast steel) with a single, twin-track, reinforced concrete box. This was partially built in situ where the alignment passes beneath existing dock walls, and partially in cofferdam where it crosses the dock passage between the two Royal Docks (Albert and Victoria). Inverts in the original tunnels were lowered in places to accommodate the design train envelope and overhead line equipment.
This paper outlines the constraints inherent in an undertaking of this nature, and describes the analytical processes that were adopted to assess the performance of the existing brick structures and the new central concrete box section.