An evaluation of the role of monitoring during the construction of shallow NATM tunnels in urban areas
Van der Berg, J.P., Clayton, C.R.I. and Hope, V.S. (1998) An evaluation of the role of monitoring during the construction of shallow NATM tunnels in urban areas. In, Ozdemir, Levent (ed.) North American Tunneling '98. North American Tunnelling Conference on ‘New Horizons: Building our Future’ Rotterdam, NL, Balkema, 251-257.
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Monitoring forms an essential part of the construction of New Austrian Tunnelling Method (NATM) tunnels. After the collapse of two platform tunnels and the concourse tunnel at the Central Terminal Area, Heathrow Airport, in October 1994, an extensive evaluation of NATM tunnelling, including the role of instrumentation, followed. The paper critically evaluates the purpose of monitoring during the construction of NATM tunnels, with specific reference to shallow tunnels in soft soils in urban areas. The instrumentation used during the construction of the station tunnels at Terminal 4 is evaluated with regard to its purpose and performance during construction. (As part of the Heathrow Express rail link between central London and Heathrow Airport, two underground stations are being constructed at Central Terminal Area and Terminal 4 respectively.)
|Item Type:||Book Section|
|Subjects:||T Technology > TA Engineering (General). Civil engineering (General)|
|Divisions:||University Structure - Pre August 2011 > School of Civil Engineering and the Environment
|Date Deposited:||11 Mar 2010|
|Last Modified:||02 Mar 2012 14:00|
|Contributors:||Van der Berg, J.P. (Author)
Clayton, C.R.I. (Author)
Hope, V.S. (Author)
Ozdemir, Levent (Editor)
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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