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Title: Engineering geology of the London Clay in the London and Hampshire basins
Author: Burnett, Alister Douglas
ISNI:       0000 0004 2715 0199
Awarding Body: University of London
Current Institution: Imperial College London
Date of Award: 1972
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The aim of this study has been to investigate relationships between geological and geotechnical properties of the London Clay in the London and Hampshire Basins. This has been carried out on three scales, i.e. a laboratory or "one dimensional" scale; a single engineering site or cliff exposure, a "two dimensional scale"; and a regional scale from top to bottom of the deposit, i.e. "three dimensional scale." It was possible to relate the more factual geological information, thickness and structural contours, lithology and a sedimentological and palaeontological biased zonation system of the London Clay to the detailed mineralogy of the clay. The mineralogy and lithological (mainly grading) characteristics were found to have close relationship to the mechanical properties of the clay and by this means geology and geotechnical properties were linked. The geological and geotechnical data was largely gathered from the literature either published or private, whereas the mineralogical data was accumulated by the writer on analysis of over 300 samples. The study has been corroborated and linked with strong sedimentological evidence which suggested a rhythmic pattern of clay deposition giving rise to regional lithological, palae-ontological and mineralogical variations both horizontally and vertically. These variations have been analysed and plotted using several techniques, both manual and computerised. Geo-technical property variations have been similarly plotted and comparison of the two sets of data reveals significant correlations at varying confidence levels. Regional plots of clay zonation, palaeogeography, structural contours and isopachytes and mineral distribution maps and plans are presented. Geological and: geotechnical depth profile sections are used to establish qualitative relations between lithology, zonation, mineralogy and geotechnics.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available