SYMPOSIA PAPER Published: 01 January 1990

Pore Pressure Response to Probe Insertion and Thermal Gradient: ISIMU-II


The ISIMU-II experiment was designed to assess the pore pressure response during piezometer and heater probe insertion and the subsequent excess pore pressure behavior as a result of a thermal field within the sediment. The dissipation of the excess pore pressures generated during probe insertion was predicted using an exponentially decreasing function which incorporates a smear factor to account for sediment remolding next to the piezometer wall. An analytical model to describe concurrently the rise in excess pore pressures as a result of sediment heating and the radial dissipation of the resulting pore pressures into the surrounding sediment is described and applied to the experimental data.

Author Information

Riggins, M
Colorado School of Mines, Golden, CO
Valent, PJ
Naval Ocean Research and Development Activity, NSTL, MS
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Developed by Committee: D18
Pages: 223–233
DOI: 10.1520/STP17238S
ISBN-EB: 978-0-8031-5145-1
ISBN-13: 978-0-8031-1390-9