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

A.L. Stork; A.C. Butcher; J.P. Verdon; A. Koe; J-M. Kendall

doi:10.3997/2214-4609.201702057

Geophysical Investigations to Assess the Extent of Disturbance in Excavated Rock Faces at Hinkley Point C
Authors A.L. Stork¹, A.C. Butcher², J.P. Verdon², A. Koe³, J-M. Kendall²
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Affiliations: ¹ University of Bristol ² University of Bristol/Outer Limits Geosciences LLP ³ AECOM
Publisher: European Association of Geoscientists & Engineers
Source: Conference Proceedings, 23rd European Meeting of Environmental and Engineering Geophysics, Sep 2017, Volume 2017, p.1 - 5
DOI: https://doi.org/10.3997/2214-4609.201702057

Abstract

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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2017-09-03

2024-04-20

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References

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

Conference Proceedings 2017, 1 (2017); https://doi.org/10.3997/2214-4609.201702057

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Abstract

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The natural combination of full and image‐based waveform inversion

Poststack diffraction imaging using reverse‐time migration

Characterizing the effect of elastic interactions on the effective elastic properties of porous, cracked rocks

Fracture detection by Gaussian beam imaging of seismic data and image spectrum analysis

Laboratory measurements of guided‐wave propagation within a fluid‐saturated fracture