19. The use of piezocone in the design of a deep basement in London Clay
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Published:1989
M. M. Long, BE, MEngSc, MIEI, N. J. O'Riordan, BSc, PhD, MICE, 1989. "19. The use of piezocone in the design of a deep basement in London Clay", Penetration testing in the UK: Proceedings of the geotechnology conference organized by the Institution of Civil Engineers and held in Birmingham on 6–8 July 1988, Institution of Civil Engineers
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Piezocone tests have been used to detect silty layers in London Clay and to obtain consolidation and drainage characteristics for use in the design of a deep basement in Kingston Upon Thames. The data is used to correlate with strength parameters. An estimate of the state of stress in the ground from the cone resistance is attempted.
INTRODUCTION
THE SITE
SITE GEOLOGY
PIEZOCONE TESTING
INTERPRETATION OF PIEZOCONE DATA
SOIL CLASSIFICATION
UNDRAINED SHEAR STRENGTH
OVERCONSOLIDATION RATIO
COEFFICIENT OF CONSOLIDATION
PERMEABILITY
EFFECTIVE STRESS STRENGTH PARAMETERS
REFERENCES
