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Backward erosion piping through vertically layered sands

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Abstract
Backward erosion piping is an important failure mechanism for water-retaining structures, a phenomenon that results in the formation of shallow pipes at the interface of a sandy or silty foundation and a cohesive cover layer. This paper studies the effect of two soil types on backward erosion piping; both in case of a homogeneous sand layer, and in a vertically layered sand sample, where the pipe is forced to subsequently grow through the different layers. Two configurations with vertical sand layers are tested; they both result in wider pipes and higher critical gradients, thereby making this an interesting topic in research on measures to prevent backward erosion piping failures.
Keywords
Backward erosion piping, embankments, physical modelling, sand

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Please use this url to cite or link to this publication:

Chicago
Vandenboer, Kristine, Lies Dolphen, and Adam Bezuijen. 2017. “Backward Erosion Piping Through Vertically Layered Sands.” In World Academy of Science, Engineering and Technology, 1185–1188. Rome, Italy: WASET.org.
APA
Vandenboer, K., Dolphen, L., & Bezuijen, A. (2017). Backward erosion piping through vertically layered sands. World Academy of Science, Engineering and Technology (pp. 1185–1188). Presented at the World Academy of Science, Engineering and Technology, Rome, Italy: WASET.org.
Vancouver
1.
Vandenboer K, Dolphen L, Bezuijen A. Backward erosion piping through vertically layered sands. World Academy of Science, Engineering and Technology. Rome, Italy: WASET.org; 2017. p. 1185–8.
MLA
Vandenboer, Kristine, Lies Dolphen, and Adam Bezuijen. “Backward Erosion Piping Through Vertically Layered Sands.” World Academy of Science, Engineering and Technology. Rome, Italy: WASET.org, 2017. 1185–1188. Print.
@inproceedings{8539816,
  abstract     = {Backward erosion piping is an important failure mechanism for water-retaining structures, a phenomenon that results
in the formation of shallow pipes at the interface of a sandy or silty foundation and a cohesive cover layer. This paper studies the effect of two soil types on backward erosion piping; both in case of a homogeneous sand layer, and in a vertically layered sand sample, where the pipe is forced to subsequently grow through the different layers. Two configurations with vertical sand layers are tested; they both result in wider pipes and higher critical gradients, thereby
making this an interesting topic in research on measures to prevent backward erosion piping failures.},
  author       = {Vandenboer, Kristine and Dolphen, Lies and Bezuijen, Adam},
  booktitle    = {World Academy of Science, Engineering and Technology},
  issn         = {2010-3778},
  keyword      = {Backward erosion piping,embankments,physical modelling,sand},
  language     = {eng},
  location     = {Rome, Italy},
  pages        = {1185--1188},
  publisher    = {WASET.org},
  title        = {Backward erosion piping through vertically layered sands},
  year         = {2017},
}