<p><p><strong>References:<br></strong><em>Berg et al. (2009a,b)</em></p><p><strong>Method Summary</strong></p><p>Performance monitoring can be done with a limited or comprehensive program. A limited program usually includes monitoring of:<br><ul> <li>Horizontal and vertical movements of the MSE wall face</li> <li>Vertical movements of the overall structure</li> <li>Local movement or deterioration of the facing elements</li> <li>Performance of road surface above the MSE wall</li></ul>Movements can be monitored by conventional surveying methods, and an assessment of the performance of the road surface can be done through observation. A limited monitoring program should be done on most SMSE wall systems.</p><p>A comprehensive monitoring program will include additional measurements to monitor the internal behavior of the reinforced soil. These measurements may include:<br><ul> <li>Deflection monitoring to establish overall performance</li> <li>Stress measurements of the reinforcements</li> <li>Pullout resistance proof tests of the reinforcements</li></ul><strong>Accuracy and Precision</strong></p><p>These measurements will be accurate and precise if standard industry equipment is used.</p><p><strong>Adequacy of Coverage</strong></p><p>This QC/QA procedure may require a large number of measurements to determine the performance of the system.</p><p><strong>Implementation Requirements </strong></p><p>Many of these instruments are expensive and difficult to install and require additional resources to monitor and interpret.</p><p><strong>General Comments</strong></p><p>Performance monitoring can be done on all SMSE projects. A comprehensive monitoring plan should be used for highly sensitive applications, but is often too costly to be used on typical projects. Some form of a limited monitoring program is recommended for most SMSE wall systems.</p></p>