Liquefaction Study of Cemented Sand

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Abstract
The paper describes some aspects of a liquefaction investigation of a variably cemented sandy profile. Due to the difficulty involved in extracting undisturbed samples for testing an evaluation was made of the use of standard penetration test results (i.e., blow counts) and samples in studying such profiles. A method of obtaining intact specimens for laboratory testing, by block sampling, freezing, and coring was developed, and cyclic triaxial tests performed on specimens obtained in this way provided cyclic strength data relevant for the soils encountered in the profile. These results were compared to those obtained by testing reconstituted specimens and were considered to be more relevant to in-situ conditions.

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