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Photoelastic and photographic study of a granular material
- https://www.icevirtuallibrary.com/doi/10.1680/geot.8.T.017
- The combination of photoelastic and photographic observation has potential for extending knowledge of internal conditions in two-dimensional samples of granular material. The procedures described in this note indicate some interesting possibilities for experimental soil mechanics. The use of digital photography with polarised light permits ...
Photoelastic and photographic study of a granular material
- https://www.icevirtuallibrary.com/doi/full/10.1680/geot.8.t.017
- The combination of photoelastic and photographic observation has potential for extending knowledge of internal conditions in two-dimensional samples of granular material. The procedures described in this note indicate some interesting possibilities for …
Photoelastic and photographic study of a granular material
- https://www.researchgate.net/publication/275687287_Photoelastic_and_photographic_study_of_a_granular_material
- The combination of photoelastic and photographic observation has potential for extending knowledge of internal conditions in twodimensional samples of …
Photoelastic and photographic study of a granular material
- https://www.researchgate.net/publication/263235749_Photoelastic_and_photographic_study_of_a_granular_material
- Photo-elastic model tests on a rigid wall, translating out of the granular material, are analyzed. Grain crushing tests are used to estimate the range of contact forces during the model tests ...
Photoelastic and photographic study of a granular material
- https://www.semanticscholar.org/paper/Photoelastic-and-photographic-study-of-a-granular-Le%C5%9Bniewska-Wood/bf46da4f0017b6af48ad160ffc1d21739d20880a
- Glass ballotini can be used as a special granular material that reveals information about stress conditions when viewed using polarised light. Simultaneously, techniques for observing displacement fields can be used to produce information about internal strains. The combination of photoelastic and photographic observation has potential for extending knowledge of …
Photoelastic and photographic study of a granular material
- https://discovery.dundee.ac.uk/en/publications/photoelastic-and-photographic-study-of-a-granular-material
- The use of digital photography with polarised light permits incremental results to be obtained from the photoelastic images. The use of digital photography in non-polarised light with particle image velocimetry analysis gives the opportunity to obtain experimental displacement and strain fields with great accuracy and local detail.
Photoelastic force measurements in granular materials
- https://pubmed.ncbi.nlm.nih.gov/28571444/
- Photoelastic techniques are used to make both qualitative and quantitative measurements of the forces within idealized granular materials. The method is based on placing a birefringent granular material between a pair of polarizing filters, so that each region of the material rotates the polarization of light according to the amount of local stress.
Photoelastic force measurements in granular materials
- https://aip.scitation.org/doi/10.1063/1.4983049
- Non-crystalline materials such as polymers and glasses can nonetheless be photoelastic, with the degree of birefringence at each point in the material depending on the local stress.When a photoelastic material is placed between two polarizers and subjected to stress, each region of the material rotates the polarization of light according to the amount of local …
Photoelastic Materials - an overview | ScienceDirect Topics
- https://www.sciencedirect.com/topics/physics-and-astronomy/photoelastic-materials
- We note that digital image techniques including digital image correlation have been demonstrated as effective techniques for the study of nucleation and phenomena such as supershear rupture by a number of groups using photoelastic materials, e.g., Xia et al., 2005 as well as in photoelastic experiments using “granular” discs (Daniels ...
Photoelastic materials (Chapter 9) - Cambridge Core
- https://www.cambridge.org/core/books/experimental-and-computational-techniques-in-soft-condensed-matter-physics/photoelastic-materials/3C3F99503B93FC01A805267E9128507E
- However, it was determined through experiments using photoelastic materials [1–3] that forces transmitted through granular assemblies are carried through an inhomogeneous network of stress chains in which the majority of force is carried through chains of particles comprising a minority of grains (e.g. Figure 9.1(b)).
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