Photo-elastic and DIC techniques to study development of shear and compaction bands within granular materials

Leśniewska, Danuta; Pietrzak, Magdalena; Tejchman, J.

doi:10.1201/b17395-184

Cited by 1 publication

(3 citation statements)

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“…The tests were registered both in ordinary and polarized light, to give not only strain, but also stress information based on photo-elasticity, but the latter is not a subject of this paper. Due to the demands of photoelastic method the granular specimen was saturated with clove oil, having the same refraction index as glass [4,[6][7][8][9][10][11]. Volume weight of granules was 16,80 kN/m3.…”

Section: Methodsmentioning

confidence: 99%

“…The experimental setup and the techniques applied in this research were described earlier [4,[6][7][8][9][10][11].…”

Section: Model Testsmentioning

confidence: 99%

“…Specific boundary conditions -external load distributed on the sample through the set of five metal segments, Fig.1, [4,[6][7][8][9][10][11] arose the question of their influence on the deformation field. Therefore, a simulation of model test was carried out for two types of load distribution: direct (continuous load Fig.…”

Section: Numerical Simulations By Femmentioning

confidence: 99%

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Active earth pressure model tests versus finite element analysis

Pietrzak

2017

EPJ Web Conf.

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The purpose of the paper is to compare failure mechanisms observed in small scale model tests on granular sample in active state, and simulated by finite element method (FEM) using Plaxis 2D software. Small scale model tests were performed on rectangular granular sample retained by a rigid wall. Deformation of the sample resulted from simple wall translation in the direction 'from the soil" (active earth pressure state. Simple Coulomb-Mohr model for soil can be helpful in interpreting experimental findings in case of granular materials. It was found that the general alignment of strain localization pattern (failure mechanism) may belong to macro scale features and be dominated by a test boundary conditions rather than the nature of the granular sample.

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Section: Methodsmentioning

confidence: 99%

“…The experimental setup and the techniques applied in this research were described earlier [4,[6][7][8][9][10][11].…”

Section: Model Testsmentioning

confidence: 99%