3D analyses of open trench barriers filled with water

Shen-Haw Ju, H. C. Li

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)


This study uses three-dimensional time-domain finite-element analyses to study the isolation efficiency of open trenches filled with various levels of water. The trench is generated along the X direction, the trench thickness is in the Y direction, and negative gravity is in the Z direction. First, the finite-element model is validated by using field experiments for a full water trench with results in good agreement. A parametric study from finite-element analyses indicates that the efficiency of the water trench is similar to or sometimes better than that of the open trench for X- and Z-direction waves. However, the water trench is not efficient for isolating the Y-direction wave, because the Y-direction wave passing through the water trench is similar to a compressive wave that is difficult to reduce in water.

Original languageEnglish
Pages (from-to)1114-1120
Number of pages7
JournalJournal of Geotechnical and Geoenvironmental Engineering
Issue number11
Publication statusPublished - 2011 Dec 16

All Science Journal Classification (ASJC) codes

  • Geotechnical Engineering and Engineering Geology
  • Environmental Science(all)


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