Tunnel ring design, development, testing and manufacture for the London Water Ring Main

Farrow, Jeff; Claye, P. M.; Warren, R. B.; Ginary, M. A.; Matthews, Robert

doi:10.1007/978-1-4615-2646-9_33

Cited by 3 publications

(2 citation statements)

References 2 publications

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“…The London Water Ring Main ( source : originally published in Farrow et al ., : 554, reproduced with permission of the publisher)…”

Section: Origins Of the London Water Ring Mainmentioning

confidence: 99%

Politics of The Ring: Limits to Public Participation in Engineering Practice

Hillier¹

2018

Int J Urban Regional Res

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How engineering in the context of urban socio‐environmental challenges is practically and effectively mobilized has been the subject of some debate. Numerous professional bodies have encouraged engineers to approach socio‐environmental issues through increased engagement with, and accountability to, the public through effective participatory practices. This article presents a close empirical analysis of a major engineering project in London to argue that engineering has a more complex relationship with social, political and environmental conditions than the idealistic participatory conception supposes. In fact, the spatial, technical and economic arrangements of engineering practice may limit the potential for public participation. Through a detailed analysis of the example of the London Water Ring Main (from around 1988 to 1994), this article shows how myriad sometimes conflicting engineering issues and responsibilities interfered with key elements of effective participation. Therefore, although increased public engagement in engineering may be desirable in theory, substantial professional, institutional and political change may have to occur before this is possible in practice.

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“…The London Water Ring Main ( source : originally published in Farrow et al ., : 554, reproduced with permission of the publisher)…”

Section: Origins Of the London Water Ring Mainmentioning

confidence: 99%

Politics of The Ring: Limits to Public Participation in Engineering Practice

Hillier¹

2018

Int J Urban Regional Res

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“…T h e main depth of shafts (10.3 m ID) through the London Clay into the Woolwich and Reading Beds was constructed by underpinning. 4…”

Section: Shaftsmentioning

confidence: 99%

Design of the Thames Water Ring Main

Farrow

Claye²

1996

Water & Environment J

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The Thames Water ring main is a 2.5 m dia. tunnel approximately 50 m below ground and 80 km long, which conveys potable water from major treatment works, located west of London, into central London. The scheme was constructed during the late 1980s and early 1990s. In 1985, to meet increasing water demand, a gravityfed system of deep tunnels was devised by Thames Water Utilities Ltd; this involved a full ground investigation and underground obstruction survey to establish the optimum tunnel route, bearing in mind the many and various constraints. A series of shafts was sunk to connect directly into the ring main with the purpose of either introducing water at major water‐treatment works or acting as pumpout shafts at strategic locations around the capital. The tunnels and shafts were designed to be built in two phases. Phase 1 was constructed using conventional wedgeblock techniques, but problems were encountered which resulted in increased costs and delay. Phase 2 therefore necessitated a different approach. The company adopted a completely new strategy by changing the form of contract, purchasing its own tunnel boring machines, and redesigning the tunnel linings. One of the keys to the success of the ring main was the new expanded wedgeblock concrete lining. Design calculations were prepared and finite element analysis work was carried out. The new rings were subjected to build and load tests, both on individual segments and complete rings, using specially designed test rigs.

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Development and performance of tunnel-boring machines on Phase II of the London Water Ring Main

Remington

1994

Tunnelling’ 94

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Tunnel ring design, development, testing and manufacture for the London Water Ring Main

Cited by 3 publications

References 2 publications

Politics of The Ring: Limits to Public Participation in Engineering Practice

Politics of The Ring: Limits to Public Participation in Engineering Practice

Design of the Thames Water Ring Main

Development and performance of tunnel-boring machines on Phase II of the London Water Ring Main

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