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Abstract: The use of underground space in metropolitan city is increasing. More than 90% of flood damage occurs in the downtown area of metropolitan cities. To prevent and/or minimize flood-induced damage, an underground rainwater detention cavern, to be built underneath existing structures, was proposed by Seo et al. (2012a). As for underground caverns to be built for flood control, multi-caverns will...
Abstract: 1.1Problem This paper discusses the monitoring of National Grid Power Tunnel’s new segmental concrete tun-nel linings using embedded distributed optical fibre strain sensing. Fibre optic cables were installed within 36 segments during manufacture in order to monitor strain following installation of the segments into the ground. The objective of this paper is to discuss how embedded fibre optic...