Title: Pinhole test for identifying susceptibility of different horizons in loess-derived soils to piping erosion
Authors: Nadal Romero, Estela ×
Verachtert, Els
Poesen, Jean #
Series Editors: Janicki, Grzegorz
Rejman, Jerzy
Zglobicki, Wojciech
Issue Date: 2011
Publisher: Association of Polish Geomorphologists
Series Title: Landform Analysis vol:17 pages:131-134
Host Document: Landform Analysis pages:131-134
Abstract: The pinhole test is an empirical test based on the qualitative evaluation of the dispersivity (colloidal erodibility) of
compacted fined-grained soils. This study evaluates the pinhole test device for the quantitative assessment of the susceptibility
of soil horizons to piping. The experiments performed on different loess-derived soil horizons, with different hydraulic
head and using distilled water show that the clay-enriched horizon (Bt horizon) is less susceptible to piping than the
decalcified (C1) and the calcareous horizon (C2). This study demonstrates that the pinhole test is suitable for assessing the
susceptibility of soil horizons to piping in a quantitative way.
ISSN: 1429-799X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Division of Geography & Tourism
× corresponding author
# (joint) last author

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