Digital image processing of drag embedment anchors in translucent silicate gel

  • Beemer R
  • Aubeny C
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Abstract

Physical modeling of drag embedment anchor (DEA) installation has proven to be a unique challenge. DEA embedment is a dynamic process where an anchor can translate many times its fluke length vertically and horizontally. The challenge is to accurately measure the anchor's path through the soil while minimizing disturbance from instrumentation. Since soils are opaque this is a difficult task. The use of a translucent soil can provide a unique solution to these problems. While testing in this medium the anchors path can be observed and its spatial coordinates determined from digital image processing. Presented is a means of using translucent silicate gel and images processing techniques to measure model DEA trajectories. Experiments in repeatability and the effects of anchor line diameter were conducted and compared to analytical predictions. Used under the proper conditions, these techniques can provide a novel solution for geotechnical testing where direct observation of kinematic behavior is desirable.

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Beemer, R. D., & Aubeny, C. P. (2012). Digital image processing of drag embedment anchors in translucent silicate gel. In Proc. GeoManitoba. Canadian Geotechnical Society.

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