SYMPOSIA PAPER Published: 01 January 1988
STP10338S

Comparison of Field Vane, CPT, and Laboratory Strength Data at Santa Barbara Channel Site

Source

A comprehensive geotechnical study was performed at a site in the Santa Barbara Channel, CA, where soils are predominately slightly overconsolidated Pleistocene clays. Undrained shear strength data at the site were acquired by (1) in-situ vane testing; (2) in-situ static cone penetration testing; (3) conventional laboratory testing consisting of unconsolidated, undrained triaxial compression and miniature vane; and (4) SHANSEP testing. The conventional laboratory and stress history and normalized soil engineering properties (SHANSEP) testing were performed on samples recovered by pushing 76-mm outside diameter (OD) thin-walled tubes. This paper compares, in detail, strength data obtained by the different testing procedures (in-situ tests and laboratory tests) and recommends the procedures that yield consistent and reliable undrained strength data for offshore foundation design.

Author Information

Quiros, GW
Fugro-McClelland, Houston, TX
Young, AG
Fugro-McClelland, Houston, TX
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Details
Developed by Committee: D18
Pages: 306–317
DOI: 10.1520/STP10338S
ISBN-EB: 978-0-8031-5030-0
ISBN-13: 978-0-8031-1188-2