SYMPOSIA PAPER Published: 01 January 1985
STP19288S

Interpretation of Pressuremeter Tests Using Laboratory Simulated Tests

Source

At least five different methods are available to interpret the results of field pressuremeter tests for saturated clays, each of which has been reported to yield different values of soil parameters when applied to the same pressuremeter test. In the present investigation, a laboratory pressuremeter model was developed, and simulated pressuremeter tests were run on a sedimented Kaolinite consolidated to different values of the maximum vertical pressure, gsv, and with overconsolidation ratios (OCR) ranging from 1 to 8. Analyses of the model pressuremeter tests indicate that the differences in normalized shear strength, Su/gsv, using the five interpretation methods are large with the difference increasing with increasing overconsolidation ratio. The method by Prevost gave the best fit with the Su/gsv vs OCR relationship determined by the average of KoU Triaxial compression and extension strengths.

Author Information

Gangopadhyay, CR
Nasr, AN
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Developed by Committee: D18
Pages: 214–231
DOI: 10.1520/STP19288S
ISBN-EB: 978-0-8031-4957-1
ISBN-13: 978-0-8031-0454-9