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Cluster Computing

, Volume 22, Supplement 3, pp 5447–5455 | Cite as

Indoor direct shear and uniaxial compression testing of polymer-modified silt

  • Kai CuiEmail author
  • Shupeng Fan
Article
  • 88 Downloads

Abstract

Silt samples modified with a polymer [polyacrylamide (PAM)] and sodium silicate were tested before and after immersion through direct shear and unidirectional compression tests to determine shear strength and compression deformation characteristics. The cohesion and internal friction angle of these modified silt samples were significantly higher. These modified silt samples also exhibited better water resistance and their degrees of compression deformation were small. After water immersion, the degree of condensation polymerization of PAM was lowered, the strength of the modified silt decreased, and the degree of compression deformation increased. It is slightly different with silt modified with sodium silicate.

Keywords

Modified silt Polymer materials Water immersion Shear strength Compression deformation 

Notes

Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant No. 41572245). The funding agencies had no role in the study design, the collection, analysis, or interpretation of data, the writing of the report, or the decision to submit the article for publication.

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Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  1. 1.Key Laboratory of High-speed Railway Engineering of the Ministry of EducationSouthwest Jiaotong UniversityChengduChina
  2. 2.Department of Civil EngineeringSouthwest Jiaotong UniversityChengduChina

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