21. Instability of Cobb Road, Lyme Regis, Dorset
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Published:1991
A. B. Hawkins, PhD, DSc, FICE, FIMM, EurIng, FGS, 1991. "21. Instability of Cobb Road, Lyme Regis, Dorset", Slope stability engineering developments and applications: Proceedings of the international conference on slope stability organized by the Institution of Civil Engineers and held on the Isle of Wight on 15–18 April 1991, The Institution of Civil Engineers
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Cobb Road crosses the coastal Lias Clay landslip zone of Dorset. Constructed by the nineteenth century, it has a history of instability and despite various remedial measures further movement occurred in 1987. This paper reports the findings of an investigation into the nature of the geology and ground water conditions. The lower end of the road is on landslip material overlying an old beach while a fault has been shown to exist through the other main area of disturbance.
INTRODUCTION
TOPOGRAPHIC SETTING
DEVELOPMENT OF COBB ROAD
SHORT HISTORY OF PAST INSTABILITIES
BACKGROUND GEOLOGY
INVESTIGATION
FINDINGS OF THE INVESTIGATION
INTERPRETATION
REMEDIAL WORKS
CONCLUSIONS
ACKNOWLEDGEMENTS
REFERENCES
