An Old Cutoff Wall Technique That Must be Given its Place-Video

Video Transcription

Video Summary

The speaker advocates reviving vibratory-beam cutoff walls in the United States. The technique uses a vibrating steel beam and self-hardening slurry to create thin, overlapping barriers, with real-time monitoring of depth, alignment, vibration, and slurry flow. It is suited to many medium-density soils but not every site, particularly ground containing large obstacles or certain low-plasticity clays. Careful investigation, site-specific operating parameters, and quality control are essential. Applications include seepage control, flood protection, landfill containment, and work near buildings or seawalls. Projects have demonstrated depths approaching 100 feet, while permeable soils may produce walls thicker than the beam itself.

Keywords

vibratory-beam cutoff walls

slurry wall construction

seepage control

flood protection

landfill containment