CUED Publications database

Monitoring mechanisms of tunnel lining settlement using instrumented bolts and conventional survey method: Assessing neutral axis of longitudinal flexure

Wilcock, M and Soga, K and Wright, P (2016) Monitoring mechanisms of tunnel lining settlement using instrumented bolts and conventional survey method: Assessing neutral axis of longitudinal flexure. In: UNSPECIFIED pp. 398-407..

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Abstract

Copyright © (2016) by the Society for Mining, Metallurgy and Exploration. All rights reserved. This paper discusses how an existing grey cast iron segmental tunnel lining responds to construction of a new SCL tunnel transversely beneath with zero clearance; how the damage assessment for the existing tunnel was conducted for impact of longitudinal movement; how the tunnel is subsequently instrumented to observe both movement and stress manifestation at its longitudinal connections and how the results from the instruments compare with the prediction. An assessment of neutral axis of the tunnel in longitudinal flexure is also explored using interpolated horizontal displacement data from a conventional monitoring system.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Subjects: UNSPECIFIED
Divisions: Div D > Geotechnical and Environmental
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:34
Last Modified: 17 Aug 2017 01:25
DOI: