EPJ Web Conf.
Volume 140, 2017Powders and Grains 2017 – 8th International Conference on Micromechanics on Granular Media
|Number of page(s)||4|
|Published online||30 June 2017|
Observation of microstructure of silty sand obtained from gelpush sampler and reconstituted sample
1 Civil Engineering Department, University of Riau, Indonesia
2 Civil and Structural Engineering, University of Sheffield, United Kingdom
3 Civil and Natural Resources Engineering, University of Canterbury, New Zealand
* Corresponding author: firstname.lastname@example.org
Published online: 30 June 2017
Observation of microstructure study of natural sand i.e. clean sand with fines (particles adjudged to be smaller than 75μm) content < 5% (Gel Push A) and silty sand with 35% fine content (Gel Push B) obtained by gel-push sampling was described. In addition, some observations from reconstituted samples prepared by dry pluviation and moist tamping were presented. Microstructures were investigated statistically by measuring particle orientation. It was evidence that natural sand (either gel push A and B) have a preferred orientation i.e. horizontally oriented. Similar particle orientation trend were observed by dry pluviated sample. Undisturbed and dry pluviated samples shows that they are anisotropic in terms of particles orientation. Moist tamped sample on the other hand, results in fairly random orientation with a slight bias towards vertical, thus does not replicate natural sand fabric.
© The Authors, published by EDP Sciences, 2017
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