2016
DOI: 10.1016/j.compgeo.2015.12.001
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Abstract: A three-dimensional discrete element model is used to investigate the effect of grain crushing on the tip resistance measured by cone penetration tests (CPT) in calibration chambers. To do that a discrete analogue of pumice sand, a very crushable microporous granular material, is created. The particles of the discrete model are endowed with size-dependent internal porosity and crushing resistance. A simplified Hertz-Mindlin elasto-frictional model is used for contact interaction. The model has 6 material param… Show more

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Cited by 95 publications
(43 citation statements)
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“…Here, we provide a brief summary of the literature relating to the cone penetration test in granular soils that has been numerically investigated using the Discrete Element Method (DEM) proposed by Cundall and Strack (1979). Huang and Ma (1994) and Jiang et al (2006) numerically (2D) studied the mechanism of deep penetration in granular soils; Jiang et al (2014) numerically (2D) examined the mechanism of inclined CPT tests in granular ground; Jiang et al (2015) numerically (2D) studied the CPT mechanism under different gravity conditions; Arroyo et al (2011), Butlanska et al (2010Butlanska et al ( , 2013 and Ciantia et al (2016) numerically (3D) modelled the CPT test in a calibration chamber taking into account the particle crushing behaviour.…”
Section: Introductionmentioning
confidence: 99%
“…Here, we provide a brief summary of the literature relating to the cone penetration test in granular soils that has been numerically investigated using the Discrete Element Method (DEM) proposed by Cundall and Strack (1979). Huang and Ma (1994) and Jiang et al (2006) numerically (2D) studied the mechanism of deep penetration in granular soils; Jiang et al (2014) numerically (2D) examined the mechanism of inclined CPT tests in granular ground; Jiang et al (2015) numerically (2D) studied the CPT mechanism under different gravity conditions; Arroyo et al (2011), Butlanska et al (2010Butlanska et al ( , 2013 and Ciantia et al (2016) numerically (3D) modelled the CPT test in a calibration chamber taking into account the particle crushing behaviour.…”
Section: Introductionmentioning
confidence: 99%
“…Ciantia et al [15,16] concluded that a 14-ball crushed configuration can adequately represent macroscopic behaviour. The capability of this model to capture real test behaviour has been demonstrated by Ciantia et al [14,17].…”
Section: Dem Particle Crushing Modelmentioning
confidence: 95%
“…Following Arroyo et al (2011) and similarly to Ciantia et al ( , 2016a, a factor of 38 is applied to increase particle sizes of FS (Figure 14b) with the aim of reducing the final number of particles filling the chamber. The contact parameters are the same as the samples presented in Section 2 ( Table 2).…”
Section: D Bvpsmentioning
confidence: 99%