Author: Vienken Thomas Leven Carsten Dietrich Peter
Publisher: NRC Research Press
ISSN: 1208-6010
Source: Canadian Geotechnical Journal, Vol.49, Iss.2, 2012-02, pp. : 197-206
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Abstract
Every environmental site investigation aims at delineating near-surface (hydro-) stratigraphic units and their characterization. To determine the type and hydraulic properties of sedimentary deposits, direct push (DP) sensor probes and tools are promising methods and are therefore frequently applied to measure high-resolution vertical profiles of soil properties. Given the variety of these tools, the objective of this paper is to compare selected DP tools for the (hydro-) stratigraphic subsurface characterization in a heterogeneous unconsolidated sedimentary aquifer. An overview of current DP applications is given and selected DP tools were tested for reproducibility, as well as their ability to reflect soil variability and to estimate hydraulic conductivity,
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