Author: Ramsay Maunder Associates
1 August 2016
First published: 1 August 2016
Standard: £9 + VAT
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Ramsay Maunder Associates
An initial selection of over 80 key titles forms the basis of the Institution Library’s new E-book collection, making the Library accessible for the first time to members all around the world, at any time of the day. The service is offered to Graduates, Technicians, Members and Fellows.
In this section we shine a spotlight on papers recently published in Structures – the Research Journal of The Institution of Structural Engineers.
Structures is a collaboration between the Institution and Elsevier, publishing internationally-leading research across the full breadth of structural engineering which will benefit from wide readership by academics and practitioners.
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
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.