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Geophysical Investigations to Assess the Extent of Disturbance in Excavated Rock Faces at Hinkley Point CNormal access

Authors: A.L. Stork, A.C. Butcher, J.P. Verdon, A. Koe and J-M. Kendall
Event name: 23rd European Meeting of Environmental and Engineering Geophysics
Session: Geophysics for Engineering Geology and Geotechnical Investigations I
Publication date: 03 September 2017
DOI: 10.3997/2214-4609.201702057
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 1.24Mb )
Price: € 20

Summary:
Initial field trials to investigate the potential for seismic surveys to estimate the extent of damage caused during slope excavation and to estimate a disturbance factor show that a velocity contrast due weathering/disturbance effects in a cliff face is detectable with an active seismic survey with geophones attached to the face. Modelling results confirm the resolution of the method and the experimental set-up is being deployed to monitor excavated faces at Hinkley Point C construction site.


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