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A comparison of the behavior of intact and Resedimented Boston Blue Clay (BBC)

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dc.contributor.advisor John T. Germaine. en_US House, Robert Donald en_US
dc.contributor.other Massachusetts Institute of Technology. Dept. of Civil and Environmental Engineering. en_US
dc.coverage.spatial n-us-ma en_US 2012-10-12T17:49:25Z 2012-10-12T17:49:25Z 2012 en_US 2012 en_US
dc.description Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2012. en_US
dc.description Cataloged from PDF version of thesis. en_US
dc.description Includes bibliographical references (p. 93-94). en_US
dc.description.abstract Resedimented Boston Blue Clay (RBBC) has been used as an analog test material for research at MIT for decades, due to local variability and the high cost of sampling. However, a comprehensive study of the differences in behavior between intact and resedimented BBC has not been completed recently. This thesis analyzes test data from laboratory CRS and triaxial tests conducted at MIT on intact and RBBC. Typical ranges for compression ratio, hydraulic conductivity, coefficient of consolidation, lateral stress ratio, preconsolidation pressure and peak friction angle of RBBC were within ranges for intact BBC. Ranges for secant friction angle, swell ratio and undrained strength for intact BBC overlapped and were lower than ranges reported for RBBC. Both intact and RBBC CRS data plotted to the right of the sedimentation compression line (SCL) in the Burland (1990) framework, showing significant structure and clay fabric. The Jaky equation (1948) was found to overestimate KO for intact BBC when using the peak friction angle, and underestimate KO when using the secant friction angle. Despite these differences, RBBC should continue to be used as an analog test material for studying clay behavior of BBC. Future research should expand the comparison into different test modes and additional clay mineralogies. en_US
dc.description.statementofresponsibility by Robert Donald House. en_US
dc.format.extent 96 p. en_US
dc.language.iso eng en_US
dc.publisher Massachusetts Institute of Technology en_US
dc.rights M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission. en_US
dc.rights.uri en_US
dc.subject Civil and Environmental Engineering. en_US
dc.title A comparison of the behavior of intact and Resedimented Boston Blue Clay (BBC) en_US
dc.type Thesis en_US M.Eng. en_US
dc.contributor.department Massachusetts Institute of Technology. Dept. of Civil and Environmental Engineering. en_US
dc.identifier.oclc 810203604 en_US

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