Static penetration resistance of soils

Abdel-Gawad, Sameh (1979) Static penetration resistance of soils. Masters thesis, Memorial University of Newfoundland.

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    Available under License - The author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission.
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Abstract

In-situ tests play an important role in geotechnical investigations, particularly in situations where the problems of sample recovery and the consequent sample disturbance are severe limitations. -- This thesis is part of an ongoing research on penetrometers at Memorial University of Newfoundland. The results reported here are for two cone penetrometers, 35.6 mm and 76.2 mm diameter, which were used in a static mode. -- Different theoretical and experimental results are available in the literature to define the failure mechanism associated with the penetration resistance of cones into soils. -- Strength parameters and penetrometer interaction properties of fine sand and silty clay were determined using the conventional triaxial and direct shear tests. The results were then used as the basis for theoretical prediction of the penetration resistance after explicitly accounting for penetrometer base apex angle, penetrometer size and roughness. Comparison of unit penetration resistance values measured in controlled laboratory tests and predicted by theory subsequently permitted the suggestion of the most appropriate method for the penetration mechanism. -- Methods for evaluating in-situ shear strength of soils from measured cone penetration resistance are suggested. Values of shear strength parameters (C and o) are determined and compared with those of other investigators.

Item Type: Thesis (Masters)
URI: http://research.library.mun.ca/id/eprint/5289
Item ID: 5289
Additional Information: Bibliography: leaves 189-193.
Department(s): Engineering and Applied Science, Faculty of
Date: 1979
Date Type: Submission
Library of Congress Subject Heading: Soil penetration test; Penetrometers

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