<p><p><strong>Reference(s):</strong></p><p><em>Ashford et al. (2004)<br>Fordham and Purcell (1991)<br>Ghandi et al. (1999)<br>Mitchell (1970)<br>Narsilio, et al. (2009)</em></p><p><strong>Method Summary</strong></p><p>Porewater pressure monitoring should be done with instruments that can register large and rapid pressure changes, such as vibrating wire piezometers.</p><p><strong>Accuracy and Precision</strong></p><p>Piezometers are an accurate measure of porewater pressure at depth.</p><p><strong>Adequacy of Coverage</strong></p><p>Piezometers can be placed so that porewater pressures at different locations throughout the soil profile can be estimated.</p><p><strong>Implementation Requirements </strong></p><p>Piezometers are relatively easy to install and monitor.</p><p><strong>General Comments</strong></p><p>Porewater pressure can be monitored for all forms of blasting densification.</p></p>