Re-evaluation of the 1954 Windsor Sinkhole
SJ Boone, JL Carvalho
Dans les comptes rendus d’articles de la conférence: GeoSaskatoon 2023: 76th Canadian Geotechnical ConferenceSession: Geohazards 4
ABSTRACT: The search for a new Detroit River crossing between Ontario and Michigan prompted evaluation of a sinkhole that formed over a salt solution mining site in Windsor, Ontario in 1954. Research in the 1950s through the 1970s attempted to understand the mechanics of void propagation upward through hundreds of meters of sedimentary rock formations. Re-examination of the sinkhole included use of new field data from twelve 500 m deep boreholes, down-hole geophysics, cross-hole seismic reflection surveys, a 3D geologic model, review of fracture and joint patterns in exposures of Michigan Basin rock formations, and detailed distinct element numerical modelling. The results of this work may provide valuable insights for future evaluations of sinkhole propagation over abandoned mines.
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Citer cet article:
Boone, SJ, Carvalho, JL (2023) Re-evaluation of the 1954 Windsor Sinkhole in GEO2023. Ottawa, Ontario: Canadian Geotechnical Society.
@inproceedings{Boone_GEO2023_141,
author = {{Boone, SJ}, {Carvalho, JL}}
title = {Re-evaluation of the 1954 Windsor Sinkhole }
booktitle = {Proceedings of the 76th Canadian Geotechnical Conference}
year = {2023}
organization = {The Canadian Geotechnical Society},
address = {Ottawa, Canada} }
title = {Re-evaluation of the 1954 Windsor Sinkhole }
booktitle = {Proceedings of the 76th Canadian Geotechnical Conference}
year = {2023}
organization = {The Canadian Geotechnical Society},
address = {Ottawa, Canada} }