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Remote monitoring of a model levee constructed on soft peaty organic soil

  • Author(s): Reinert, Edward T
  • Lemke, John
  • Stewart, Jonathan P
  • Brandenberg, Scott J
  • Editor(s): Meehan, Christopher L
  • Pradel, Daniel E
  • Pando, Miguel A
  • Labuz, Joseph F
  • et al.
Abstract

Remote data monitoring was performed to measure settlement and pore pressure in soft peat beneath a model levee constructed in the Sacramento / San Joaquin Delta. Consolidation and secondary compression behavior was monitored following construction and dynamic testing of the model levee using piezometers embedded in the peat and an in-place horizontal inclinometer at the base of the model levee. A solar powered data acquisition system was used to gather the data, and a modem transmitted the data to a web-based interface. This system enabled us to (i) know when primary consolidation had finished prior to testing, (ii) observe the large influence of secondary compression on observed settlements, and (iii) observe a lack of any significant post-cyclic settlement. The initial change in pore pressure was predicted well using Skempton's pore pressure parameters.

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