CUED Publications database

The role of distributed sensing in understanding the engineering performance of geotechnical structures

Soga, K and Kwan, V and Pelecanos, L and Rui, Y and Schwamb, T and Seo, H and Wilcock, M (2015) The role of distributed sensing in understanding the engineering performance of geotechnical structures. In: UNSPECIFIED pp. 13-48..

Full text not available from this repository.

Abstract

© The authors and ICE Publishing: All rights reserved, 2015. Engineering design limits are often based on strain and/or stress developing in the structure. For structures interacting with soil (e.g. underground infrastructure such as foundations, tunnels or pipelines), the ground loads are distributed spatially (i.e. not point loads) and hence the state of the structure will be better understood if the complete in situ strain regime (or displacement profile) is known. An innovative distributed fibre optic strain measurement system allows having thousands of "strain gauges" along a single cable connected to structures, embedded in soil or grouted into boreholes. Because of the simple and quick installation technique, distributed optical fibre sensing can be as practical as the other conventional measurements. This paper describes four case studies that utilised distributed strain sensing to understand the engineering performance of piles, thermal piles, diaphragm walls and concrete tunnel linings, in which fibre optic cables were either attached or embedded. Engineering insights obtained from the data interpretation and numerical analysis are presented.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Subjects: UNSPECIFIED
Divisions: Div D > Geotechnical and Environmental
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:04
Last Modified: 03 Aug 2017 03:06
DOI: