Studies of crack dynamics in clay soil. I. Experimental methods, results and morphological quantification

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Desiccation and cracking behaviour of clay layer from slurry state under wetting-drying cycles (2011, methodology): “More recently, techniques for quantifying the main features of the crack patterns have evolved from direct field measurement to more sophisticated analysis by image processing (Miller et al., 1998; Velde, 1999; Vogel et al., 2005a,b).”
Crack patterns in clayey soils: Experiments and modeling (2012, methodology): “Vogel et al. (2005) [21] used image analysis to measure the surface and length of cracks and their spatial distribution including the bifurcation angle.”
Influencing factors of geometrical structure of surface shrinkage cracks in clayey soils (2008, methodology): “In recent years, computer aided image analysis programs were used to determine the geometrical characteristics of crack network (Miller et al., 1998; Velde, 1999; Yesiller et al., 2000; Yan et al., 2002; Vogel et al., 2005a,b).”
Studies of crack dynamics in clay soil. II. A physically based model for crack formation (2005, methodology): “In a previous paper (Vogel et al., 2004), a quantitative approach to describe the geometry of two-dimensional crack networks was presented which will be used here to quantitatively compare the simulated crack patterns.”